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THE ASSOCIATION OF EXPLORATION GEOCHEMISTS P.O. Box 523, (Metropolitan Toronto), Rexdale, Ontario, M9W 5L4 Canada

President:

R.G. Garrett Geological Survey of Canada 601 Booth Street Ottawa. Ontario K I A OE8 Canada

Vice Presidents:

I. Thornson Placer Development Ltd. P.O. Box 49330, Bentall Stn. Vancouver, British Columbia V7X 1P1 Canada

G.H. Allcott United States Geological Survey Nptional Centre. M.S. 913 Reston, Virginia 22092 U.S.A.

Secretary.

R.E. Lett Association of Exploration Geochemists P.O. Box 523 Rsxdale, Ontario MQW 5L4 Canada

R.G. Jackson 359 Broadway v venue Toronto, Ontario M4P 1 x 1 Canada

Councillors:

198485 W.B. Coker B. Hitchon M. Mason J.H. McCarthy Jr. D.D. Runnslls A.E. Sor.g.roli

198486 L.G. Clon I.L. Elliott C.F. Gleaon W.D. Goodfellow N.G. Lavery C.E. Nichols

Australian Ragianel Councillor: R.H. Mazzucchelli

Southern A f r m Regronal Councillor: G.L. C m m

NEWSLETTER

June, 1984

PERSONAL COLUMN

I n f o r m a t i o n on A s s o c i a t i o n Members i s r e c e i v e d f r o m around t h e wor ld . To keep y o u r f e l l o w members in fo rmed o f you r l a t e s t moves, send a b r i e f summary t o t h e Rexdale o f f i c e and p lease i n d i c a t e t h a t t h i s i n f o r m a t i o n i s i n tended f o r t h e news1 e t t e r .

W i t h r e g r e t we r e c o r d t h e dea th o f D. R. Clews on May 25th, 1984, i n To ron to Canada. (See o b i t u a r y page 2)

K. F l e t c h e r has now l e f t Ma lays ia and r e t u r n e d t o t h e Geology Department, U n i v e r s i t y o f B r i t i s h Columbia, Vancouver, B r i t i s h Columbia V6T 2B4, Canada.

T. A. S a l z e r has assumed c o n t r o l o f a ma jo r e x p l o r a t i o n p r o j e c t a t F r e e p o r t ' s copper mine i n Indones ia . He can be c o n t a c t e d a t t h i s address: F r e e p o r t I ndones ia Inc . , P.O. Box 51777, New Or leans, LA 70151, USA.

A MESSAGE FROM THE PRESIDENT - Rober t G. G a r r e t t

W i th t h e new A s s o c i a t i o n year , Counc i l and t h e E x e c u t i v e have an o p p o r t u n i t y t o assess t h e s t a t e o f t h e body c o r p o r a t e and s e t p r i o r i t i e s . We have t h e good f o r t u n e t o come i n t o o f f i c e a t a t i m e when t h e A s s o c i a t i o n i s c o n t i n u i n g i t s l ong - t e r m p a t t e r n o f growth, i s g a i n i n g r e s p e c t i n t e r n a t i o n a l l y , and, i n these days o f f i n a n c i a l u n c e r t a i n t y , i s s t i l l a b l e t o under take p r o j e c t s o f b e n e f i t t o o u r members.

One m a j o r concern o f Counc i l i s t h e c o s t o f t h e News le t te r , a t t h e moment, p r i n t i n g and m a i l i n g t h e N e w s l e t t e r q u a r t e r l y consumes some 27% o f t h e Toron to o f f i c e budget. The P u b l i c a t i o n s Committee, under t h e Chairmanship o f I v o r E l l i o t t , has been asked t o l o o k i n t o a l t e r n a t e procedures o f p r i n t i n g

Brazilian Rsgionsl Councillor: R.W. Lmis Jr.

News le t te r No. 48 Paae 2

and d i s t r i b u t i o n . Wi th t h e growing membership, 1,364 copies o f t h i s i s sue w i l l be d i s t r i b u t e d around t h e wor ld , our o l d methods a re now n o t as e f f i c i e n t as t hey cou ld be. Wi th t h e new c o n t r a c t f o r t he Journa l i n e f f e c t w i t h our pub1 i she rs , E l s e v i e r i n Amsterdam, we know what impact t he Journa l w i l l have on our f i nances over t h e n e x t 5 years . I n f a c t , t h e growing membership and c i r u l a t i o n o f t h e Journa l p rov ide an increased r o y a l t y t o t h e Assoc ia t ion . Dues have now been t h e same, a t US $42.50, s i n c e 1976, when t h e Journa l went t o s i x i ssues a year . Our a b i l i t y t o keep dues cons tan t i n f u t u r e years w i l l depend on ou r Journa l r o y a l t i e s and improv ing e f f i c i e n c y i n our o f f i c e opera t ion , and w i t h i n t h e o f f i c e t he News le t t e r i s a major c o s t i tem.

Th i s year t h e Assoc ia t i on i s i n s t i t u t i n g i t s S tuden t ' s P r i ze , and making a d e t a i l e d s tudy o f a D i s t i ngu i shed Lec tu re r s e r i e s . The committes r espons ib l e f o r these a c t i v i t i e s a re cha i r ed by Steve Kes le r and Norm Lavery r e s p e c t i v e l y . Should you be c a l l e d on t o h e l p i n any way, on these o r o t h e r committees, I would hope t h a t cou ld respond p o s i t i v e l y . The Assoc ia t i on i s r u n very l a r g e l y on a vo l un tee r bas is by people who b e l i e v e i n i t s o b j e c t i v e s and e x p l o r a t i o n geochemistry, and t h e r e i s always work t o be done.

A l though 1987 seems a l o n g way o f f , Counc i l i s a l ready cons ide r i ng t h e venue o f t h e 12 th IGES. Th i s has t o be completed over t h e summer i n t ime f o r a d e c i s i o n i n August o r September. As t he re i s news on t h i s , and o t h e r mat te rs o f importance i n Counci l and t o t h e members, I s h a l l use t h e News le t te r t o keep everyone informed. For those o f you f o r whom t h e coming months a r e t h e f i e l d season, I wish you every success and a p roduc t i ve season.

OBITUARY - D r . D. R ichard Clews

On May 25th, D r . R ichard Clews, one o f t h e p ioneers o f e x p l o r a t i o n geochemistry, a found ing Member o f t h e Assoc ia t i on o f E x p l o r a t i o n Geochemists and a l e a d i n g f i g u r e i n t h e Canadian m in i ng i n d u s t r y , d i ed i n Toronto, Canada a t t h e age o f 62. Dr. Clews ga ined a B.Sc. i n M in i nqGeo logya t t h e U n i v e r s i t y o f Cape Town and a Ph.D. i n E x p l o r a t i o n Geochemistry a t Impe r i a l Col lege, London. I n 1962 D r . Clews j o i n e d Dr. A. R. B a r r i n g e r t o form B a r r i n g e r Research L td . As Execut ive V ice Pres iden t , he was i ns t r umen ta l i n e s t a b l i s h i n g t he company's m ine ra l s e x p l o r a t i o n d i v i s i o n . I n t h e l a t e 19601s, D r . Clews a p p l i e d t he then i n n o v a t i v e approach o f r e l a t i n g t he d i s t r i b u t i o n of m inera l depos i t s w i t h p l a t e t e c h t o n i c f ea tu res t o t h e des ign o f l a r g e sca le e x p l o r a t i o n programs. Using these concepts he i n i t i a t e d major e x p l o r a t i o n programs i n F i j i and t h e western Canadian Sh ie l d .

Dr. Clews was an i n t e r n a t i o n a l l y recogn techniques and i n 1964 was i n v i t e d t o Moscow t o p resen t papers t o an i n t e r n a t i o n a l sympos t h e Un i t ed Nat ions auspices.

i z e d a u t h o r i t y on geochemical e x p l o r a t i o n by t h e Academy o f Sciences o f t h e U.S.S.R. -

ium on geochmical p rospec t i ng h e l d under , ')

News le t t e r No. 48 Page 3

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D r . Clews was keenly i n t e r e s t e d i n t h e a p p l i c a t i o n o f new and unconvent ional e x p l o r a t i o n methods and i n p a r t n e r s h i p w i t h Dr. Ba r r i nge r s t imu la ted development o f methods f o r d e t e c t i n g v o l a t i l e s such as mercury, i od i ne , su lphur d i o x i d e and hydrocarbons and t he development o f t h e a i r b o r n e SURTRACE and AIRTRACE geochemical systems. I n 1978, Dr. Clews was i ns t r umen ta l i n forming Ba r r i nge r Magenta Ltd. , t h e a n a l y t i c a l and c o n t r a c t f i e l d se r v i ces d i v i s i o n o f t h e Ba r r i nge r Group o f Companies and served as Pres iden t u n t i l s h o r t l y be fo re h i s death.

I n a d d i t i o n t o membership i n t h e Assoc ia t i on o f Exp lo ra t i on Geochemists, Dr. Clews was a l s o a Member of t he I n s t i t u t i o n o f M in ing and Me ta l l u rgy , t h e Geochemical Soc ie ty , t h e Geolog ica l Assoc ia t i on o f Canada and t h e I n s t i t u t e o f Mining, M e t a l l u r g i c a l and Petroleum Engineers. He authored o r co-authored over twenty p u b l i c a t i o n s and pa ten ts cove r i ng a wide range o f geochemical and minera l e x p l o r a t i o n t o p i c s .

Dr. Clews was l a r g e l y r espons ib l e f o r t h e development o f Royex Sturgex Min ing i n 1974 and served as Company Chairman u n t i l h i s death which occured on t h e eve o f t h e amalgamation o f Royex Sturgex w i t h C u l l a t o n Lake Gold Mines.

Dr. Clews was an unusual person i n t h a t he combined a keen mind i n h i s own t e c h n i c a l f i e l d o f geochemistry as w e l l as an e x c e l l e n t grasp o f a l l aspects o f t h e a r t and sc ience o f e x p l o r a t i o n . On t o p o f t h i s he became an e x c e l l e n t businessman who p layed a key r o l e i n h e l p i n g t o b u i l d B a r r i n g e r Research almost f rom i t s i ncep t i on .

To those many members o f t h e m in i ng community, t h e Assoc ia t i on and e s p e c i a l l y h i s pas t and p resen t B a r r i n g e r co l leagues, Dr. Clews was a l s o a ve ry s t i m u l a t i n g and dynamic person whom we w i l l a l l s i n c e r e l y miss.

R. E. L e t t

ADMISSIONS COMMITTEE REPORT

Names of t h e f o l l o w i n g candidates have been recommended by t h e Admissions Committee and have been approved by Counc i l . Accord ing t o t h e Assoc ia t i ons ' s by- laws t h e names o f cand ida tes a r e t o be pub l i shed f o r c o n s i d e r a t i o n by t h e membership. I f you wish t o comment on any candidate, p lease do so i n w r i t i n g t o t h e sec re ta r y w i t h i n 60 days.

Due t o t h e l a r g e number o f a p p l i c a t i o n s r ece i ved as a r e s u l t o f t h e Reno Symposium, 7) o n l y t h e names and membership c lasses o f i n d i v i d u a l s reviewed by t h e Membership Committee have been l i s t e d . Any member w i sh i ng t o have f u r t h e r i n f o r m a t i o n on these i n d i v i d u a l s should c o n t a c t t h e sec re ta r y .

Newsletter No. 48 Page 4

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ABRAMS, M a r k , J .A. A J O U L L A H , M . D . S . AMBUN, U n y a , A . A N D E R S O N , John E . A N D E R S O N , Susan J . A N S T E D , John P . A N T R I M , D o n R . A T K I N S O N , R . D .

B A I L E Y , M a r k , H . BARNARD, F r e d BARRON, J a m e s N . B E N T S O N , M a r t i n , R . BENVENUTO, G a r y L . B E E T L E S , K e i t h , H . B R A D F I S H , L a r r y J . B R E A D K L E Y , A l a n R . B R I T T E N , R o n a l d M. B R U F F , S t e v e n R . B R Y A N T , M i c h a e l , A .

C A M P B E L L , T e r r y L . CARDWELL, G o r d o n , J . C A S A C E L I , R o b e r t , J . C H A M P I G N Y , N o r m a n d CHARLTON , D o u g l a s , W. C H I P P , E d w a r d , R . C O F E R , R . S . C O O P E R , J a m e s , J . COOLBAUGH, K i m b e r l e e , S C O O K , R o b e r t B . C O U S I N S , N o e l , B . C R E C R A F T , H a r r i s o n , R . C R I S T , E l l i o t t , M. C U F F N E Y , R o b e r t , G .

D A V I S , N i c h o l a s , F . D E R E N N E , P a u l D I L T S , R o g e r , D. D I M M E L L , P e t e r , M D I N E R , Y e h u d a D I X O N , R i c h a r d , L . D O L E N C E , J e r r y , D. DONALD, P e t e r , G . D R E I E R , J o h n , E . D U E R R , H e r b DUBYK, W i l l i a m , S . D U R G I N , D a n a , C . D U T T W E I L L E R , K a r e n , A .

E A R H A R T , R o b e r t , L . E L L I N G T O N , S t a n l e y , G . E R A S T , R o b e r t , P .

F A D D I E S , T h o m a s , B. F E D D E R , R o b e r t , P a u l F I E L D E R , A n n e , M. F I N N , D a l e , R . FLAMMANG, J u l i e , T . F L I N T , D a v i d , C . F O S T E R , J o s e p h , M. FORSGREN, F r a n k F R I S N E G G E R , D a v i d , A.

GAARD, D a v i d , R . GANDER, M a l c o l m , M. G I L E S , D a v i d , L . G I N T A U T A S , P e t e r , A . GRABHER, D a v i d , E . GRAHAM, W i l l i a m , F . GRANT, J o h n , N i g e l

HAMMITT, J a y , W. HARBAUGH , D w i g h t , W . H A R D I E , B y r o n , S. H A S L E R , R i c h a r d , W . HAWLEY , K a t h a r i n e , T . HAYBA, D a n i e l , 0. HEFNER , M e l o d y , L y n n HEHN, P a u l , V . H E N K L E , J r . W.R. HERRON, C a l v i n , R . HOLBEK, P e t e r , M . HOLSO , S i e g f r i e d HOUSEMAN, M i c h e l , D. HSU , L i a n g - C h i HUBER, G a r y , C . H U N T S I N P I L L E R , Amy

J E N N I N G S , D a v i d , S . J E N N I N G S , T e r r y , L . J O H N S O N , E d w i n , L . J O H N S O N , K a t h l e e n , M. J O H N S T O N , W i l l i a m , P . J O N E S , R . B . J O N E S , R i c h a r d , D. KANBERGS , K a r l

K I D D , B e n n y , F. K I L B R E A T H , S t e v e n , P . K L A T T , H a r o l d , R . K L E I N , I r a , E . KNTGHT, D a v i d , C . KNOX, R i c h a r d , D. KNUTSEN, G a l e , C . K O R T E M E I E R , C u r t i s , P .

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K R A S O W S K I , D e n n i s , J . K R U G E R , F r e d e r i c k , G . K U R T Z , J e f f r e y , P .

L A D D , John , H . L A N C E , D e n n i s , L e e L A N E , M a r g a r e t , L . L A N G E , I a n , M. L E V A Y , Joseph L I G G E T T , M a r k , A . L O P T E I N , G r e g g , D . L U D W I C K , W i l l i a m , S . L U G A S K I , T h o m a s , P .

MALLERY , H . W. M c A L E E R , J o s e p h , F . M c G I B B O N , D o u g l a s , H . M c I N N I S , M i c h a e l , D . M c K e e , J a m e s , M. M A C F A R L A N E , H a m i s h M A C I U L A I T U S , P e t e r , E . MACKERROW , D o n a l d , G . MAKO, D a v i d , A . M E A D E , H a n l a n , D . M I L L S , B r a d f o r d , A . M I N , M.M. MODDOO, E . R . M O R R I C E , E d w a r d , J . MOYE, R o b e r t , J . MULHOLLEN , R a l p h , D . MUNTANION , H a r r y M U S T A R T , D a v i d , A .

N I L A N O , J o s e p h , J . NUNNEMAKER , S a m u e l , G . NYREHN , J i m m y , L . P A Y N E , C u r t i s , M a r i o n P E N D E R Y , E u g e n e , C . P I S A C A N E , F r e d , J . P L A N T , N a n c y P L A H U T A , J o s e p h , T . P O L L O C K , T h o m a s , R . P O N S L E R , H a r l e y , E . P O S T , T i m , E . P R A T T , C H R I S T O P H E R , L .

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S A L I S B U R Y , W i l l i a m , G . SAMUELSON, K e n t , S . S C H E L S O N , S t e v e , D e a n S C H N O R R , P a t r i c i a S C M I D T , E u g e n e , K. S E L L , J a m e s , D . S E W E L L , C h a r l e s , R . S H A V E R , S tephen, A . S I D D E L E Y , G o r d o n S I N T A Y , G e o r g e , W . S I R I U N A S , J o h n , M. S M A R T , G e o r g e , W. S M I T H , G . E . S T E W A R T , P e t e r , B .

T I N G L E Y , I c y l , C . T O D D , D a v i d , I . T O R A K , J o h n , M. T U L L Y , J o h n , T . T W I T C H E L L , C l i n , L VAN N I E U W E N H U S Y S E , R i c k

W A I B E L , A 1 WALKER, R i c h a r d , R . WATSON, John , D. W E L C H , C a r l , M. W E L L E R , D a n i e l , R . W E S T J O H N , D a v i d , B. W H I T E , J . F . W I L L C O X , R a l p h , E . W I L L I A M S , D a v i d , S . WILLOUGHBY, N e i l , 0. W I T T K O P P , R a y m o n d , W . WITTMAN, G r e g o r y , P . WOOD, D o u g l a s , R . WOLVERSON , N a n c y , J . WREDE, D u a d e , J .

R I C E , R o g e r , C A R I C H A R D S O N , H i b b a r d , E . A R I L E Y , C o n s t a n c e , A n n e A R O B E R T S O N , D a n i e l , E . S

r z t R O S E , S t e p h e n , W . A j R O S S , J a m e s , J . A

R O U G E , G e o r g e , E . A

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FUTURE MEETINGS

GEOCHEMICAL EXPLORATION FOR GOLD MINERALIZATION - SYDNEY, AUSTRALIA

August 22 - 31, 1984

As r e p o r t e d i n News le t te r No. 47, t he AEG i n A u s t r a l i a i s j o i n t l y o rgan i z i ng a sess ion on t he theme "Geochemical Exp lo ra t i on f o r Gold M i n e r a l i z a t i o n " as p a r t of t h e Seventh A u s t r a l i a n Geolog ica l Convention t o be he ld i n Sydney. Fur ther d e t a i l s may be ob ta ined f rom Professor G. J. S. Govett, Head o f t h e School o f App l i ed Geology, U n i v e r s i t y o f App l ied Geology, U n i v e r s i t y o f New South Wales, (P.O. Box 1, Kensington, NSW 2033.)

THE GEOLOGY AND GENESIS OF MINERAL DEPOSITS I N IRELAND - DUBLIN, IRELAND

The I r i s h Assoc ia t ion f o r Econimic Geology w i l l hos t a conference on t he Geology and Genesis o f M inera l Deposi ts i n I r e l a n d . The o b j e c t o f t he Conference and t he Volume which w i l l be d i s t r i b u t e d t o a l l de legates i n e a r l y 1985 i s t o document t he economic geology and genesis o f I r i s h Minera l depos i ts . Technica l sessions w i l l focus on Carbonate-hosted base-metal and b a r i t e deposi ts , vo l can i c assoc ia ted base-metal depos i ts , g r a n i t e assoc ia ted depos i ts , ve in-hosted depos i t s and base- metal m inera l i z a t i o n i n t h e Dal r a d i a n metamorphic t e r r a i n . F i e l d t r i p s have been arranged t o Navan, Avoca and t h e L e i n s t e r G ran i t e and t o S i l v e r Mines. A l l conference enqu i r i es should be made t o :

John Ashton Secretary I .A.E.G. Tara Mines Geology Department Knockumber, Navan, Co. Meath, I r e l a n d Phone (046) 21927 e x t . 274 Telex El24568 TARA E I .

WORKSHOP ON GEOCHEMICAL EXPLORATION I N TROPICAL R A I N FORESTS - MANAUS. BRAZIL

March 24 - 30, 1985

paper exper p l ann

I. 11.

111. I V .

The AEG, AGID, IUGS and t h e Commissao Tecnico - C i e n t i f i c a de Geoquimica o f t he .Sociedade B ras i l e r i r a de Geologia (SGB) a r e j o i n t l y sponsor ing a workshop o f geochemical e x p l o r a t i o n i n reg ions o f t r o p i c a l r a i n f o r e s t . The o b j e c t i v e i s t o p r o v i d e t h e o p p o r t u n i t y f o r b r i n g i n g t h e p a r t i c i p a n t s up t o da te on t h e s t a t e - o f - t h e - a r t i n geochemical techniques i n t r o p i c a l humid reg ions through p resen ta t i on o f

s, round- tab le d iscuss ions and e v a l u a t i o n o f c u r r e n t methods, research, ience and ideas. Both p l ena ry l e c t u r e s and round- tab le d i scuss ion groups a r e i n g t o develop t h e f o l l ow ing themes :

Residual t race-element d isperson i n s o i l s Regional t race-e lement d isperson i n steam sediments Sampling techniques i n c l u d i n g use o f spec ia l media such as humus A n a l y t i c a l techniques w i t h emphasis on c o n t r o l l e d e x t r a c t i o n s

I News1 e t t e r No. 48 I Page 7

The o f f i c i a l language o f ou r o r a l communication w i l l be E n g l i s h and Portuguese. I nc l uded i n t h e programs w i l l be a post-workshop excurs ion t o a deeply weathered c a r b o n a t i t e i n t h e western Amazona. The number o f p a r t i c i p a n t s i n t h e workshop w i l l be l i m i t e d and p re fe rence w i l l be g iven t o app l i can t s c u r r e n t l y o r r e c e n t l y engaged i n research o r e x p l o r a t i o n p r o j e c t s i n t r o p i c a l r a i n f o r e s t areas. A f i r s t c i r c u l a r has been c i r c u l a t e d and members who have n o t as y e t r ece i ved t h e c i r c u l a r shou ld w r i t e as soon as p o s s i b l e t o :

R ichard W. Lewis J r . Geoquimica Ltda. Rua Aguaraiba, 86 Bonsucesso - R io de Janer io RJ. - B r a z i l Phone 021/280-7038

COMPUTERS I N EXPLORATION WORKSHOP - VANCOUVER, CANADA

November 15. 1984

The C o r d i l l e r e n Sec t ion and Minera l Depos i ts D i v i s i o n o f t h e Geolog ica l Assoc ia t ion o f Canada i s sponsor ing a workshop on computers i n e x p l o r a t i o n t o be h e l d on November 15th, 1984 a t t h e Ho l iday Inn , Harbourside, Vancouver, B r i t i s h Columbia. The purpose o f t h e workshop w i l l be t o i n f o r m management and e x p l o r a t i o n personnel on t h e r o l e o f computers i n e x p l o r a t i o n . Topics w i l l i n c l u d e geochemistry, geophysics, t h e use o f f i e l d microcomputers, m in ing and CDD, i n f o r m a t i o n data and p r a c t i c a l use o f computers i n a company. There w i l l a l s o be e x h i b i t i o n booths f o r "hands-on" demonstrat ions and i n f o r m a t i o n concern ing hardware, so f tware and computer se r v i ces . A d i r e c t o r y l i s t i n g commercial computer f a c i l i t i e s and systems, and e x p l o r a t i n g m in ing compnay hardware w i l l be a v a i l a b l e . R e g i s t r a t i o n s ( b e f o r e November 1 s t ) w i l l be $15.00 t o GAC members and $20.00 t o non GAC members. F u r t h e r d e t a i l s a r e a v a i l a b l e from:

Bruce W. Downing

Telephone: (604) 682-6291

l l T H INTERNATIONAL GEOCHEMICAL EXPLORATION SYMPOSIUM - TORONTO, CANADA

A ~ r i l 28 - Mav 2. 1985

Update

!*-'I P lann ing f o r t h i s Symposium i s p rog ress i ng smoothly and o r g a n i z i n g Committee a r e f i n a l i z i n g arrangements f o r t h e t e c h n i c a l sessions and f i e l d t r i p s . I f you have r e c e i v e d t h e second c i r c u l a r and a r e i n t e r e s t e d i n a t t e n d i n g t h e Symposium p lease r e t u r n t h e c i r c u l a r t o t h e A s s o c i a t i o n ' s o f f i c e as soon as poss ib l e .

N e w s l e t t e r No. 48 Page 8 \ I

CALENDAR OF COMING EVENTS

To a s s i s t Members i n complet ing t h e i r p lans f o r a t t e n d i n g va r i ous f u t u r e e x p l o r a t i o n symposia and meet ings, a ca lendar o f coming events w i l l appear as a r e g u l a r f e a t u r e i n t h e News le t te r .

27 th INTERNATIONAL GEOLOGICAL CONGRESS, Moscow, U. S. S. R. (N .A. Bogdanov, General Secretary , Organ iz ing Committee o f t h e 27th I G C Starmonetny per , 22, Moscow 109180, U.S.S.R.)

August 10 - 13, 1984

Soc ie t y o f Economic P a l e o n t o l o g i s t s and M i n e r a l o g i s t s F i r s t Annual Mid-year Meet ing, San Jose, C a l i f o r n i a (E. J . Moore, U.S. Geo. Survey, 345 M i d d l e f i e l d Road, Menlo Park, C a l i f o r n i a 94025 U.S.A.)

GEOCHEMICAL EXPLORATION FOR GOLD MINERALIZATION, Sydney, A u s t r a l i a (See News le t te r f o r f u r t h e r d e t a i 1 s ) .

WATER MOVEMENT IN HEAVY CLAY SOILS (Meet ing) , Wageningen, Nether lands. (Dr. W. G. Sombroek, 1555, I n t e r n a t i o n a l S o i l Museum, 9 Duivendaal , POB 353, 6700 A. J. Wageningen, The Nether lands) .

September 10 - 14, 1984

TITANIUM ( 5 t h I n t e r n a t i o n a l Conference), Munich, F.R.G. (Deutsche Gese l l s cha f t f u r Meta l lkunde E.V., Adenaureal lee 21, D-6370 Oberursel 1, F.R.G.)

September 14 - 16, 1984

THE GEOLOGY AND GENESIS OF MINERAL DEPOSITS I N IRELAND, I r i s h Assoc ia t i on f o r Economic Geology Conference, T r i n i t y Col lege, Dub1 i n . (See News le t te r f o r f u r t h e r d e t a i l s . )

September 10 - 14, 1984

HYDROCHEMICAL BALANCES OF FRESH WATER SYSTEMS ( I n t e r n a t i o n a l Symposi urn), Stockholm/Uppsala, Sweden. Sponsored by Swedish Na tu ra l Science Research Counci l , Unesco, and IAHS, ( I n t e r n a t i o n a l Symposi urn on Hydrochemical Balances of Fresh Water Systems, C/o Stockholm Convention Bureau, Joakobs Torg 3, 5-111 52 Stockholm, Sweden. )

October 1 - 5, 1984 F- I

REMOTE SENSING OF ENVIRONMENT ( 1 8 t h I n t e r n a t i o n a l Symposium), Pa r i s , France. (Environmental Research I n s t i t u t e o f Michigan, P.O. Box 8618, Ann Arbor, M I 48107, U.S.A.)

News1 e t t e r No. 48 Page 9

I November 5 - 8, 1984

GEOLOGICAL SOCIETY OF AMERICA (Annual Meet ing) , Reno, Nevada, U.S .A. (S S. Beggs, Geolog ica l Soc ie ty of American, P.O. Box 9140, 3300 Penrose Place, Boulder, CO 80301 U.S.A.)

November 15, 1984

Workshop o f Computer App l i ca t i ons , Ho l iday I n n Harbourside, Vancouver, B r i t i s h Columbia, Canada (B. W. Downing 604-682-6291).

November 19 - 23, 1984

12 th WORLD MINING CONGRESS, New Del h i , I n d i a (Organiz ing Committee I n s t i t u t e of Engineers, 8 Gokhale Road, Ca l cu t t a 700 020, I n d i a ) .

December 2 - 6, 1984

SOCIETY OF EXPLORATION GEOPHYSICISTS (54 th Annual Meeting, A t l a n t a , Georgia, U.S.A. ( 3 Hyden, SEG, Box 3098, Tulsa, OK 74101, U.S.A.).

March 24 - 30, 1985

Workshop on Geochemical Exp lo ra t i on i n T rop i ca l Rain Forests . ( ~ a n a u s , B r a z i 1 . (See Newsl e t t e r f o r f u r t h e r d e t a i 1 s . )

A p r i l 1985

PROSPECTING I N AREAS OF DESERT TERRAIN (Conference), Rabat, Morocco. (Conference O f f i c e , IMM, 44 Po r t l and Place, London WIN 4BR, U.K.)

A p r i l 2 1 - 25, 1985

CANADIAN INSTITUTION OF MINING AND METALLURGY, 87 th Annual Meeting, Vancouver, Canada.

A p r i l 28 - May 1, 1985

1 1 t h INTERNATIONAL GEOCHEMICAL EXPLORATION SYMPOSIU, Toronto, Canada.

8 t h INTERNATIONAL CLAY CONFERENCE, Denver, Colorado. Sponsored by AIPEA (Dr. A. J. H e r b i l l o n , Groupe de Physico-Chimie Minera le e t de Catalyse, Univ. Ca tho l ique de Louvain, P lace C ro i x du Sud 1, B-1348 Louvain-La-Neuve, Be1 g i um) .

September 8 - 13, 1985

HYDROGEOLOGY I N THE SERVICE OF MAN

/ " September 15 - 21, 1985 i

FIRST INTERNATIONAL CONFERENCE ON GEOMORPHOLOGY; Geomorphology, Resources, Environment and t h e Developing World ( B r i t i s h Geomorphology and Research Group, U n i v e r s i t y o f Manchester, Manchester , England, M13 9PL, U. K. )

News le t t e r No. 48 Page 10

1985 - October 14 - 17, 1985

GEOLOGICAL SOCIETY OF AMERICA (Annual Meet ing) , Boston Mass. U.S .A. (S. S. Beggs, G.S.A., P.O. Box 9140, 330 Penrose Place, Boulder CO 80301 USA)

FROM THE SECRETARY'S OFFICE - Ray L e t t

One o f t h e f a c t o r s which appeared t o p l a y a r o l e i n t h e success o f t h e r ecen t Reno Symposium was t h e widespread d i s t r i b u t i o n o f i n f o r m a t i o n c i r c u l a r s over t h e months p reced ing t h e meet ing. We hope t o make t h e 11 th I n t e r n a t i o n a l Geochemical E x p l o r a t i o n Symposium i n Toronto n e x t yea r e q u a l l y successfu l and i n o r d e r t o do t h i s , cons iderab le p u b l i c i t y w i l l be needed. I f any members, e s p e c i a l l y overseas, would l i k e a d d i t i o n a l cop ies o f t h e second c i r c u l a r t o d i s t r i b u t e t o l o c a l e x p l o r a t i o n / m in i ng groups o r i n s t i t u t i o n s , p lease l e t me know and I w i l l a r range f o r them t o be forwarded.

Another r e s u l t o f t h e Reno Symposium has been t he s i g n i f i c a n t inc rease i n membership l a r g e l y due t o those de legates who j o i n e d t h e Assoc ia t i on as A f f i l i a t e s d u r i n g t he meet ing. I would encourage those o f you who j o i n e d as A f f i l i a t e s and who a re i n t e r e s t e d i n t r a n s f e r r i n g t o f u l l Vo t i ng Membership Status t o w r i t e t o me and I w i l l send t h e necessary a p p l i c a t i o n forms.

A l though i t i s compara t i ve ly e a r l y i n t h e A s s o c i a t i o n ' s year , Counc i l Nomination forms f o r t h e 1985 - 86 term w i l l be d i s t r i b u t e d w i t h t he nex t News le t te r . Please g i v e some thought t o i n d i v i d u a l s whom you would l i k e t o nominate f o r Common C o u n c i l l o r .

F i n a l l y , I would urge you t o con t inue t o send c o n t r i b u t i o n s t o t h e News le t t e r on any t o p i c you t h i n k would be o f i n t e r e s t t o Members such as ideas f o r new AEG s p e c i a l p u b l i c a t i o n s , m ic ro computer a p p l i c a t i o n s , i n f o r m a t i o n on members, ideas f o r new r e g u l a r sec t i ons i n t h e News le t te r . Remember, t h e News le t te r i s your forum f o r ideas. Help t o suppor t i t .

JOURNAL OF GEOCHEMICAL EXPLORATION - CURRENT STATUS OF I S S U E S

VOL . - ISSUES PUBLICATION MONTH SUBSCRIPTION YEAR

19 1 - 3 December 1983 1983 20 1 February 1984 1984 20 2 A p r i l 1984 1984

Only members who were p a i d up f o r 1983 w i l l have rece i ved t h e above 1984 Journa l issues. New members who p a i d t h e i r dues i n 1984 and new members who j o i n e d th rough t h e Reno Symposium may have rece i ved t h e 1984 copies o f t h e Journa l , i f not , t hey w i l l r e c e i v e them soon. A- ?

( 1

Newsle t te r No. 48 'Page 11 -

1 JOURNAL OF GEOCHEMICAL EXPLORATION - PURCHASE OF BACK VOLUMES - CORRECTION

Assoc ia t ion Members can order back volumes o f t he Journal a t t h e member subsc r i p t i on p r i c e o f U.S. $32.50 per two volumes f rom ElservSer Science Publ ishers together cover ing one p u b l i c a t i o n year, - not U.S. $32.50 per volume as s ta ted i n Newslet ter No. 47.

STUDENT PRIZE

The Assoc ia t ion o f Exp lo ra t ion Geochemists w i l l ho ld i t s f i r s t annual Student Paper Competi t ion i n 1984. Papers e l i g i b l e f o r t he compet i t ion must have been publ ished i n a s c i e n t i f i c journa l i n 1983, and less than f i v e years s ince graduat ion o f t he s tudent author. M u l t i p l e authors are al lowed, al though the student must be sen io r author . Deadline f o r r e c e i p t o f nominations i s November 1, 1984. The award w i l l be announced i n January, 1985 and the p r i z e w i l l cons i s t o f a two-year membership a t the appropr ia te l e v e l i n t he Associat ion o f Exp lo ra t ion Geochemists and r e c e i p t o f a l l pub l i ca t i ons . Please send nominations, i n c l u d i n g th ree copies o f t h e paper and the cu r ren t address o f t he nominee t o : S. E. Kesler, Department o f Geological Sciences, U n i v e r s i t y o f Michigan, Ann Arbor, M I 48109-1063.

BIBLIOGRAPHY

This list comprises titles that have appeared in major publications since the compilation presented in Newsletter 47. Journals routinely covered and abreviations used are Bulletin of the Canadian Institute of Mining and Metallurgy (CIM BULL), Economic Geology (EG), Geochimica et Cosmochimica Acta (GCA) , Journal of Geochemical Exploration (JGE) , the USGS Bulletin (USGS BULL), Circular (USGS CIR), Open File Report (USGS OFR) and Professional Papers (USGS PROF P) , Transactions of Institution of Mining and Metallurgy, Section B: Applied Earth Science (TRANS IMM). Publications less frequently cited are identified in full. Compiled by Donald D. Runnells and Sandra L. Jones, Department of Geological Sciences, University of Colorado, Boulder.

Abbey, S., 1983. Studies in "standard samplesn of silicate rocks and minerals, 1969-1982. Geol. Surv. Canada Paper 83-15, 114 p.

Abbey, S., McLeod, C . R . , and Liang-Guo, W., 1983. Four Canadian iron-formation samples prepared for use as reference materials. Geol. Surv. Canada Paper 83-19, 51 p.

Afanasiev, V.P., and Yanygin, Y.T., 1983. On the buried primary dispersion streams of kimberlite bodies in Malobotuobinskiy region. Akad. Nauk SSSR, Sibirskoe Otdelenie, Geol. Geof iz. m ( 6 ) : 85ff.

Newsletter No. 48 Page 12

Andrews, M.J., Bibby, J.M., Fuge, Re, and Johnson, C.C., 1984. The distribution of iodine and chlorine in soils over lead-zinc mineralisation, east of Glogfawr, mid-Wales. JGE a(1) : 19-32.

Arias, J., Lowell, J., and Hale, M., 1982. Development and application of vapour geochemistry techniques to minerals exploration in overburden covered areas of northern Chile. Revista Geol. Chile, No. 16:23ff.

Back, W., and Freeze, R.A. (Eds. ) , 1983. Chemical Hydrogeology. Benchmark Papers in Geology, v. 73. Hutchinson Ross Pub. Co., Stroudsburg, PA, 416 p.

Bogoch, R., and Brenner, I.B., 1984. A biogeochemical orientation survey in an arid rocky desert. JGE a(3):311-322.

Boyce, E.G., Jr., and Turner, R.M., 1983. WELLMAP, a FORTRAN computer program for the generation of maps of specified geographic areas with a variety of well symbols available to depict the current status of given oil and gas drilling. USGS OFR 83-0155, 30 p,

Boyle, ROW,, and Jonasson, I.R., 1984. The geochemistry of antimony and its use as an indicator element in geochemical prospecting. JGE U(3):223-302.

Brimhall, G.H., Jr., Cunningham, A.B., and Stoffregen, R., 1984. Zoning in precious metal distribution within base metal sulfides: A new lithologic approach using generalized inverse methods. EG 19(2):209-226.

Brookins, DOG6, 1983. Eh-pH diagrams for the rare earth element at 25 C and one bar pressure. Geochem, J. (Japan) JJ(5):223-230.

Brooks, R.R., 1983. Geozoology in mineral exploration. Episodes, No. 3:27ff.

Brown, A.C., and Chartrand, F,M., 1983. Stratiform copper deposits and interactions with co-existing atmospheres, hydrospheres, biospheres and lithospheres. Precambrian Res. 2Q(2-4):533-542.

Chao, T.T., 1984. Use of partial dissolution techniques in geochemical exploration. JGE U(2):lOl-136.

Chu, L.H., Chand, F., and Ahmad, J., 1984. Favourable geological environments for uranium mineralization, Peninsular Malaysia. JGE U(2):205-220.

Cole, D.R., and Rose, A.W., 1984. Distribution and mode of occurrence of zinc and lead in glacial soils. JGE 2Q.(2):137-160.

Newsletter No. 48 Page 13

Crone, W., Larson, L.T., Carpenter, R.H., Chao, T.T., and Sanzolone, R.F., 1984. A comparison of iron oxide-rich joint coatings and rock chips as geochemical sampling media in exploration for disseminated gold deposits. JGE U(2) :161-178.

Davis, J.A., 1984. Complexation of trace metals by adsorbed natural organic matter. GCA &&(4):679-692.

Drake, L.D., 1983. Ore plumes in till. J. Geol. U(6) :707f.f.

Dyck, W., 1984. Evaluation of the 210~o method at the Midwest uranium deposit, northern Saskatchewan, Canada. JGE U(1) : 85-92.

Ebner, F., and Weber, L., 1982. Geochemische prospektion auf quecksilberverzungen in Mitteldevon der Rannach-~azies des Grazer Palaozoikums. Arch. Lagerstattenforschung Geol. Bundesanstalt 2(Sept.):47-62.

Eliason, P.T., Donovan, T.J., and Chavez, P.S., Jr., 1983. Integration of geologic, geochemical, and geophysical data of the Cement oil field, Oklahoma, using spatial array processing. Geophysics M(10) : l3O5f f . Elzarka, M.H., and Ahmed, W.A.M., 1983. Formational water characteristics as an indicator for the process of oil migration and accumulation at the Ain Zalah field, northern Iraq. J. Petrol. Geol. h(2):165-178.

Erdman, J.A., and Modreski, P.J., 1984. Copper and cobalt in aquatic mosses and stream sediments from the Idaho Cobalt Belt. JGE u(1) 375-84.

Fukahori, Y., Nishikawa, Y., Nakamura, K., and ~achida, M., 1983. Recent exploration of the Kurotodo deposits in the Nakatatsu mine. Min. Geol. 33-2 (17 8) : 73-86.

Geological Survey of India (Calcutta), 1982. Symposium on geochemical prospecting methods and techniques. Spec. Pub. 8 , 259 p e

Hallberg, J.A., 1984. A geochemical aid to igneous rock type identification in deeply weathered terrain. JGE U(1):l-8.

Haoshou, C., 1983. Lead and sulfur isotope studies of the stratabound polymetallic deposits in China. Mineral Deposits 2(3) : 86-93.

Harvie, C.F., Moller, N., and Weare, J.H., 1984. The Na-K-Mg-Ca-H-CloS04-OH-HCO -C03-CO -H 0 system to high ionic strengths at 25 C. GCA 48(4):723275?.

Newsletter No. 48 Page 14

/

Hinkle, M.E., and Dilbert, C.A., 1984. Gases and trace elements in soils at the North Silver Bell deposit, Pima County, Arizona. JGE (31~323-336,

Huspeni, J.R., Kesler, S.E., Ruiz, J., Tuta, Z., Sutter, J.F., and Jones, L.M., 1984. EG 19(1):87-105.

Johnson, G. Re, 1983. Rock property measurements and anaysis of selected igneous, sedimentary and metamorphic rocks from worldwide localities. USGS OFR 83-0736, 37 p.

Kanai, Y., 1982. Determination of bismuth in geological materials by anodic stripping voltammetry. Bull, Geol. Surv. Japan =(12):619ff.

Kater, G.N., Wallner, P.H., and Friedrich, G., 1984. A method of exploration for lateritic and bed-rock chromite mineralization used in the Philippines. EG =(2):372-381.

Ketner, K.B., 1983. Strata-bound, silver-bearing iron, lead, and zinc sulfide deposits in Silurian and Ordovician rocks of allochthonous terranes, Nevada and northern Mexico. USGS OFR 83-0792, 7 p.

Kinealy, K., and Eadington, P. J., 1984, The effect of temperature of reaction on the extraction of tin from calc-silicate rocks by NH41 volatilisation. JGE a(1):9-18.

King, H.D., and Tripp, R.B., 1980. Multi-element maps showing the distribution and relative amounts of selected elements in four geochemical sampling media, Medfra quadrangle, Alaska, USGS OFR 80-0811, 4 sheets.

and Bedi, S.J., 1984. Burm. Bedi and Mada or of

copper-lead-zinc mineralization. JGE U(1):47-54.

Kirschenbaum, H., 1983, The classical chemical analysis of silicate rocks--The old and the new. USGS BULL 1547, 55 p.

Kucha, H., 1983. Precious metal bearing shale from Zechstein copper deposits, Lower Silesia, Poland. TRANS IMM =(May) :B72-79.

Kuroda, P.K., 1982. The Origin of the Chemical Elements and the Oklo Phenomenon. Springer-Verlag, New York, 165 p.

Lacy, W.C. (Ed. ) , 1983. Mineral Exploration. Benchmark Papers in Geology, v. 70. Hutchinson Ross Pub. Co., Stroudsburg, PA, 433 p.

Lalonde, J.-P., and Beaumier, M., 1984. Prospection pedogeochimique en milieu dlargiles lacustres (Pedogeochemical prospecting in a lacustrine clay environment). CIM BULL n(862) : 56-76.

Newsletter No. 48 Page 15

Leppard, G.G. (Ed.), 1983. Trace Element Speciation in Surface Waters and Its Ecological Implications. Plenum Press, New York, 320 p.

Li, W., 1983. Some characteristics of the oxidations zone of sulfide ore deposits in Lower Yangtze area, Southeast China, Min. Geol, =-3(l?9) :137-148.

Mann, A.W., 1984. Mobility of gold and silver in lateritic weathering profiles : Some observations from Western Australia. EG a(1) :38-49.

Martin, He, Wilhelm, E., Laville-Timsit, L., Lecomte, P., Sondag, F., and Warnant, P., 1984. Enhancement of stream-sediment geochemical anomalies in Belgium and France by selective extractions and mineral separations. JGE X(2) :l?9-204.

Marsh, S,P., Kropschot, S.J., and Dickinson, R.G. (Eds,), 1983. Wilderness mineral potential: Assessment of mineral-resource potential in U.S. Forest Service lands studied in 1964-1984. USGS PROF P 1300, 1183 p.

Mason, B., and Moore, C.B., 1982. Principles of Geochemistry, 4th ed. John Wiley, Chichester, 344 p.

Masterson, W.D., and Kyle, J.R., 1984. Geological, geochemical, stable isotope, and fluid inclusion characteristics of epithermal gold mineralization, Velvet District, Nevada. JGE a(1):55-74.

McGee, J.J., 1983. SANBA-a rapid, combined data acquisition and correction program for the SEMQ electron microprobe. USGS OFR 83-0817,

McHugh, J.B., 1984, Gold in natural water: A method of determination by solvent extraction and electrothermal atomization. JGE X(3) : 303-310.

McLeod, R,L., and Stanton, R.L., 1984. Phyllosilicates and associated minerals in some Paleozoic stratiform sulfide deposits sf Southeastern Australia. EG D(1):l-22.

Michard, G,, Albarede, F., Michard, A . , Minster, J.-F., Charlou, J.-L6, and Tan, N., 1984. Chemistry of solutions from the 13 N East Pacific Rise hydrothermal site. Earth Planet. Sci, Let. &!..(3):297-307.

Miller, W.R., Wanty, R.B., and McHugh, J.B., 1984. Application of mineral-solution eequilibria to geochemical exploration for sandstone-hosted uranium deposits in two basins in West Central Utah. EG D(2):266-283.

Moorby, S,A., and Cronan, D.S., 1983. The geochemistry of hydrothermal and pelagic sediments from the Galapagos hydrothermal mounds field, D.S.D.P. Leg 70. Mineralogical Mag,, No. 344:291-300.

Newsletter No. 48 Page 16

Nishiyama, T., Kusakabe, Y., and Minato, T., 1983. Geochemical exploration using sulfide minerals. Min. Geol. =-4(l8O) : 247-252.

Nozhkin, A.D. , 1983. Geologic-geochemical features of maturity of the Archean complexes and reasons of ore content in continental blocks of the earth's crust. Akad. Nauk SSSR, Sibirskoe Otdelenie, Geol. Geofiz. U(8):41-87.

Parry, W.T., Ballantyne, J.M., and Jacobs, D.C., 1984. Geochemistry of hydrothermal sericite from Roosevelt Hot Springs and the Tintic and Santa Rita porphyry copper systems. EG =(1):72-86.

Parry, S.J., 1984. Abundance and distribution of palladium, platinum, iridium and gold in some oxide minerals. Chem. Geol. 4;L(1/2) : 115-126.

Perrault, G., Trudel, P,, and Bedard, I?., 1984. ~uriferous halos,associated with the gold deposits at Lamaque Mine, Quebec. EG 29(2):227-238,

Peterson, J,A, , 1983, Assessment of undiscovered conventionally recoverable petroleum resources of onshore China. USGS OFR 83-0801,

Pierson, C.T,, Spirakis, C.S., and Robertson, J.F., 1983. Comparison of abundances of chemical elements in mineralized and unmineralized sandstone of the Brushy Basin Member of the Morrison Formation, Smith Lake District, Grants uranium region, New Mexico. USGS OFR 83-0818, 47 p.

Pollack, H.R., and Zeegers, H., 1983, The role of grain size composition of stream-sediment samples on the geochemical response in equatorial environments: An example in Surinam. Chron. Rec. Min. U(472) : 53ff,

Prashnowsky, A.A. (Ed.), 1980. The Impact of the Triebs' Porphyrin Concept on the Modern Organic Geochemistry. Halbig-Druck, Wurzburg, 357 p.

Qijie, J., et al, 1983. The role of hot vadose brine in mineralization and the genetic indicators of the ore deposits. Mineral Deposits (China) 2(3):58-66.

Rekharskii, V.I., Savel'eva, L.V., and Lange, E , 1983. Behavior of rhenium in mineralization process. Izvestiia Akad. Nauk SSSR, Ser. Geol. No. 7:117ff.

Rimstidt, J.D., and Cole, D,R., 1983. Geothermal mineralization I: The mechanism of formation of the Beowawe, Nevada, siliceous sinter deposit. Am. J. Sci. =(8):861ff.

Newsletter No. 48 Page 17

Roedder, E. (Ed.), and Kozlowski, A. (Assoc. Ed.), 1983. Fluid Inclusion Research. Proceedings of the Commission on Ore-Forming Fluids in Inclusions (COFFI) , v. 12, 1979. University of Michigan Press, Ann Arbor, MI, 287 p.

Roy, A., 1983. Computer-assisted trend surface mapping--An aid to geochemical exploration in the Sargipalli lead-zinc mine area, Sundergarh District, Orissa .(India). J. Geol. Soc. India 24(8):421-425.

Schmidt, R.G., 1983. High-alumina hydrothermal systems in volcanic rocks and their significance to mineral prospecting in the Carolina slate belt. USGS OFR 83-0793, 55 p.

Scholle, P.A., Bebout, DOG:, and Moore, C.H. (Eds.), 1983. Carbonate Depositional Envaronments. AAPG Mem. 33, 708 p.

Scott, K.M., and Rampe, M.,.l984. Integrated mineralogical and geochemical exploration for tin in the Bygoo region of the Ardlethan Tin Field, southern N.S.W., Australia. JGE U(3) : 337-354.

Shapiro, T., 1984. Microcomputers and mining: Geology and exploration. Min. Engr. =(3):244-247.

Shuhe, S., 1982. A study of pyritic copper and polymetallic mineral deposits (Cu, Pb, Zn): The correlation and research tendency of some of the worldwide mineral belts and ore deposit types. Bull. Instit. Mineral Dep. 2(5):30ff.

Simoneit, B.R.T., and Galimov, E.M., 1984. ~eockemistry of interstitial gases in Quaternary sediments of the Gulf of California. Chem. Geol. 4,3(1/2) :151-166.

Taylor, R.P.! and Fryer, B.J., 1983. Rare earth element lithogeochemistry of granitoid mineral deposits. CIM BULL E(860) :74-91.

Tissot, B.P., 1984. Recent advances in petroleum geochemistry, applied to hydrocarbon exploration. AAPG Bull.

5&( 5) : 545-563.

Tucker, R.E., Mc~ugh, J.B., Ficklin, W.H., Motooka, J.M., Preston, D.J., and Miller, W.R., 1983. Analytical results for 249 water samples from the Mount Belknap caldera and Deer-Train Mountain-Alunite Ridge areas and vicinity, southwestern Utah. USGS OFR 83-0738, 25 p.

Vandelannoote, R., Blomrnaert, W., Sadurski, A., Van'tdack, L., Gijbels, R., van Grieken, R., Leleu, M., Rochon, J., Sarcia, C., and Sureau, J.F., 1984. Trace-elemental anomalies in surface water near a small lead-zinc mineralization at Menez-Albot. JGE a(1):33-46.

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Van Den Boom, G., and Poppelbaum, M., 1982. Volatile compounds in the soil as indicators in geochemical exploration for concealed ore deposits. Geol. Jahrbuch, Reihe D, No. 58:3-30.

Viets, J.G., Clark, J.R., and Campbell, W.L., 1984. A rapid, partial leach and organic separation for the sensitive determination of Ag, Bi, Cd, Cu, Mo, Pb, Sb and Zn in surface geologic materials by flame atomic absorption. JGE a(3) : 355-366.

Warren, H.V., Horsky, S.J., and Barakso, J.J., 1984. Preliminary studies of the biogeochemistry of silver in British Columbia. CIM BULL 11(863):95-98.

Whelan, J.F., Rye, R.O., and DeLorraine, W., 1984. The Balmat-Edwards zinc-lead deposits--Synsedimentary ore from Mississippi Valley-type fluids. EG B(2) : 23 9-265.

Wilson, F.H., and Cox, D.P., 1983. Geochronology, geochemistry and tectonic environment of porphyry mineralization in the central Alaska peninsula. USGS OFR 83-0783, 25 p.

Xuexin, S., 1983. Geochemistry of minor elements in host rocks of Fankou Pb-Zn deposit, south China. Bull. Nanjing Instit. Geol. Mineral Res. &(I) :17-26.

Zhiyong, C., Nangui, S., Zhengshen, S., and Yongzhang, L o r 1983. Multivariate statistical analysis of the components of Qixiashan polymetallic deposit. Bull. Nanjing 1nstit. Geol. Mineral Res. 4(1):27-44.