Results of X-Ray Fluorescence Analysis 2018 - DEMO · 35-LK-DEMO 1369 ± 2 119 4 30 76 17 NM NM NM...
Transcript of Results of X-Ray Fluorescence Analysis 2018 - DEMO · 35-LK-DEMO 1369 ± 2 119 4 30 76 17 NM NM NM...
Results of X-Ray Fluorescence Analysis
2018 - DEMO
35-LK-DEMOSITE, Lake County, Oregon
Alex J. Nyers
August 2018
Northwest Research Obsidian Studies Laboratory
Table 1. Summary of results of trace element analysis of the project specimens.
GEOCHEMICAL SOURCE N= PERCENTAGE
Cougar Mountain 142 53.2
Cowhead Lake 107 40.1
Drews Creek/Butcher Flat 18 6.7
TOTAL 267 100.0
Figure 1 - Scatterplot of zirconium (Zr) plotted versus strontium (Sr) for analyzed obsidian artifacts.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
100 41 59 136 12 NM NM NM NM Cougar Mountain1
4 3 3 5 3
NM
NM NM NM
1
49
136935-LK-DEMO
±
119 4 30 76 17 NM NM NM NM Cowhead Lake2
3 3 4 3 3
NM
NM NM NM
2
51
035-LK-DEMO
±
120 10 27 78 12 NM NM NM NM Cowhead Lake3
3 2 3 2 2
NM
NM NM NM
3
47
035-LK-DEMO
±
103 39 53 137 15 NM NM NM NM Cougar Mountain4
5 2 4 3 2
NM
NM NM NM
4
36
135235-LK-DEMO
±
117 4 31 74 15 NM NM NM NM Cowhead Lake5
5 3 2 5 5
NM
NM NM NM
5
51
035-LK-DEMO
±
119 4 30 75 18 NM NM NM NM Cowhead Lake6
2 5 5 2 4
NM
NM NM NM
6
54
035-LK-DEMO
±
99 3 29 69 16 NM NM NM NM Cowhead Lake7
3 4 4 2 5
NM
NM NM NM
7
37
035-LK-DEMO
±
112 3 32 73 15 NM NM NM NM Cowhead Lake8
3 3 4 3 3
NM
NM NM NM
8
43
035-LK-DEMO
±
118 9 25 77 14 NM NM NM NM Cowhead Lake9
4 4 4 2 2
NM
NM NM NM
9
54
035-LK-DEMO
±
103 2 29 66 17 NM NM NM NM Cowhead Lake10
5 5 3 5 4
NM
NM NM NM
10
36
035-LK-DEMO
±
110 3 30 73 15 NM NM NM NM Cowhead Lake11
2 5 3 4 5
NM
NM NM NM
11
31
035-LK-DEMO
±
113 8 25 75 13 NM NM NM NM Cowhead Lake12
5 2 4 3 2
NM
NM NM NM
12
38
035-LK-DEMO
±
95 37 49 132 11 NM NM NM NM Cougar Mountain13
3 4 3 4 2
NM
NM NM NM
13
28
122835-LK-DEMO
±
123 5 31 77 16 NM NM NM NM Cowhead Lake14
3 3 2 5 2
NM
NM NM NM
14
57
035-LK-DEMO
1A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
99 39 54 136 9 NM NM NM NM Cougar Mountain15
4 3 5 4 3
NM
NM NM NM
15
38
133335-LK-DEMO
±
120 4 33 76 16 NM NM NM NM Cowhead Lake16
5 3 2 4 4
NM
NM NM NM
16
54
035-LK-DEMO
±
100 37 58 139 13 NM NM NM NM Cougar Mountain17
4 4 4 2 3
NM
NM NM NM
17
32
139735-LK-DEMO
±
111 4 31 72 16 NM NM NM NM Cowhead Lake18
2 2 4 4 2
NM
NM NM NM
18
52
035-LK-DEMO
±
112 6 31 73 17 NM NM NM NM Cowhead Lake19
5 4 2 4 4
NM
NM NM NM
19
30
035-LK-DEMO
±
119 10 26 81 12 NM NM NM NM Cowhead Lake20
5 4 4 5 5
NM
NM NM NM
20
47
035-LK-DEMO
±
98 37 55 128 12 NM NM NM NM Cougar Mountain21
4 2 4 5 5
NM
NM NM NM
21
51
108435-LK-DEMO
±
110 5 31 71 15 NM NM NM NM Cowhead Lake22
4 4 5 5 4
NM
NM NM NM
22
45
035-LK-DEMO
±
96 38 53 131 12 NM NM NM NM Cougar Mountain23
2 3 4 2 5
NM
NM NM NM
23
59
120035-LK-DEMO
±
98 40 57 130 14 NM NM NM NM Cougar Mountain24
2 3 5 5 5
NM
NM NM NM
24
29
135935-LK-DEMO
±
97 37 56 132 10 NM NM NM NM Cougar Mountain25
5 2 2 2 5
NM
NM NM NM
25
41
121335-LK-DEMO
±
131 10 29 85 14 NM NM NM NM Cowhead Lake26
4 5 3 4 4
NM
NM NM NM
26
56
035-LK-DEMO
±
96 40 54 132 12 NM NM NM NM Cougar Mountain27
4 5 5 3 3
NM
NM NM NM
27
51
119035-LK-DEMO
±
118 4 32 77 17 NM NM NM NM Cowhead Lake28
3 3 4 5 4
NM
NM NM NM
28
36
035-LK-DEMO
2A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
91 36 54 128 11 NM NM NM NM Cougar Mountain29
5 4 3 3 3
NM
NM NM NM
29
55
122835-LK-DEMO
±
116 4 31 73 16 NM NM NM NM Cowhead Lake30
4 3 2 2 3
NM
NM NM NM
30
44
035-LK-DEMO
±
106 3 28 69 15 NM NM NM NM Cowhead Lake31
4 5 4 5 3
NM
NM NM NM
31
39
035-LK-DEMO
±
124 10 29 77 12 NM NM NM NM Cowhead Lake32
5 3 3 5 4
NM
NM NM NM
32
33
035-LK-DEMO
±
94 37 53 135 14 NM NM NM NM Cougar Mountain33
5 5 4 5 5
NM
NM NM NM
33
28
120335-LK-DEMO
±
106 41 60 141 16 NM NM NM NM Cougar Mountain34
2 3 4 5 2
NM
NM NM NM
34
57
129935-LK-DEMO
±
105 43 59 141 13 NM NM NM NM Cougar Mountain35
5 4 2 2 4
NM
NM NM NM
35
28
134135-LK-DEMO
±
90 34 54 127 11 NM NM NM NM Cougar Mountain36
2 3 4 5 4
NM
NM NM NM
36
43
117035-LK-DEMO
±
95 39 54 130 12 NM NM NM NM Cougar Mountain37
4 4 3 3 4
NM
NM NM NM
37
30
138935-LK-DEMO
±
93 37 54 125 12 NM NM NM NM Cougar Mountain38
4 3 3 5 5
NM
NM NM NM
38
50
125235-LK-DEMO
±
86 34 52 122 10 NM NM NM NM Cougar Mountain39
5 4 5 5 3
NM
NM NM NM
39
38
107235-LK-DEMO
±
89 34 57 128 10 NM NM NM NM Cougar Mountain40
4 5 5 4 3
NM
NM NM NM
40
59
118935-LK-DEMO
±
95 37 54 134 11 NM NM NM NM Cougar Mountain41
3 3 4 3 3
NM
NM NM NM
41
54
115535-LK-DEMO
±
108 5 30 70 17 NM NM NM NM Cowhead Lake42
2 4 4 3 2
NM
NM NM NM
42
37
035-LK-DEMO
3A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
98 39 53 132 10 NM NM NM NM Cougar Mountain43
4 5 4 4 3
NM
NM NM NM
43
55
77635-LK-DEMO
±
102 44 57 138 10 NM NM NM NM Cougar Mountain44
4 5 2 4 3
NM
NM NM NM
44
54
132735-LK-DEMO
±
116 4 31 74 16 NM NM NM NM Cowhead Lake45
2 5 2 5 2
NM
NM NM NM
45
48
035-LK-DEMO
±
113 3 32 75 18 NM NM NM NM Cowhead Lake46
4 2 5 4 3
NM
NM NM NM
46
33
035-LK-DEMO
±
94 37 54 125 10 NM NM NM NM Cougar Mountain47
5 5 3 2 2
NM
NM NM NM
47
45
105735-LK-DEMO
±
104 22 23 106 10 NM NM NM NM Drews Creek/Butcher Flat48
2 5 4 3 3
NM
NM NM NM
48
41
8535-LK-DEMO
±
88 33 52 121 12 NM NM NM NM Cougar Mountain49
3 3 4 5 3
NM
NM NM NM
49
50
117635-LK-DEMO
±
87 35 52 123 13 NM NM NM NM Cougar Mountain50
2 5 4 4 4
NM
NM NM NM
50
51
118935-LK-DEMO
±
109 4 31 68 16 NM NM NM NM Cowhead Lake51
5 2 5 3 3
NM
NM NM NM
51
32
035-LK-DEMO
±
94 38 51 130 7 NM NM NM NM Cougar Mountain52
5 2 5 2 5
NM
NM NM NM
52
42
116035-LK-DEMO
±
116 4 32 77 15 NM NM NM NM Cowhead Lake53
5 4 2 5 3
NM
NM NM NM
53
59
035-LK-DEMO
±
110 17 23 94 10 NM NM NM NM Drews Creek/Butcher Flat54
2 3 5 4 5
NM
NM NM NM
54
52
035-LK-DEMO
±
97 37 57 139 12 NM NM NM NM Cougar Mountain55
2 3 4 5 2
NM
NM NM NM
55
32
114835-LK-DEMO
±
100 43 61 135 14 NM NM NM NM Cougar Mountain56
3 3 4 2 4
NM
NM NM NM
56
37
128135-LK-DEMO
4A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
123 9 28 80 12 NM NM NM NM Cowhead Lake57
3 5 2 2 2
NM
NM NM NM
57
43
035-LK-DEMO
±
96 40 53 134 10 NM NM NM NM Cougar Mountain58
5 4 3 5 2
NM
NM NM NM
58
53
125935-LK-DEMO
±
127 8 29 79 12 NM NM NM NM Cowhead Lake59
2 5 5 2 5
NM
NM NM NM
59
48
035-LK-DEMO
±
103 41 55 133 13 NM NM NM NM Cougar Mountain60
3 2 2 4 5
NM
NM NM NM
60
44
130035-LK-DEMO
±
90 35 52 124 12 NM NM NM NM Cougar Mountain61
5 4 4 2 3
NM
NM NM NM
61
32
100535-LK-DEMO
±
101 39 52 137 12 NM NM NM NM Cougar Mountain62
5 5 3 2 4
NM
NM NM NM
62
45
127035-LK-DEMO
±
110 4 31 72 17 NM NM NM NM Cowhead Lake63
4 4 5 5 2
NM
NM NM NM
63
57
035-LK-DEMO
±
102 40 57 137 12 NM NM NM NM Cougar Mountain64
2 2 3 3 3
NM
NM NM NM
64
51
119235-LK-DEMO
±
115 5 30 74 15 NM NM NM NM Cowhead Lake65
2 3 4 2 4
NM
NM NM NM
65
32
035-LK-DEMO
±
107 43 59 138 10 NM NM NM NM Cougar Mountain66
5 5 5 3 4
NM
NM NM NM
66
49
128435-LK-DEMO
±
103 39 55 134 18 NM NM NM NM Cougar Mountain67
3 2 3 4 2
NM
NM NM NM
67
57
138435-LK-DEMO
±
122 9 28 77 14 NM NM NM NM Cowhead Lake68
4 5 5 5 4
NM
NM NM NM
68
37
035-LK-DEMO
±
93 38 54 133 13 NM NM NM NM Cougar Mountain69
4 3 5 2 3
NM
NM NM NM
69
35
120235-LK-DEMO
±
95 40 59 137 14 NM NM NM NM Cougar Mountain70
4 5 3 4 5
NM
NM NM NM
70
29
133235-LK-DEMO
5A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
98 40 58 135 9 NM NM NM NM Cougar Mountain71
4 3 3 4 2
NM
NM NM NM
71
36
128235-LK-DEMO
±
93 41 54 129 19 NM NM NM NM Cougar Mountain72
3 4 5 3 4
NM
NM NM NM
72
36
124535-LK-DEMO
±
93 35 55 132 11 NM NM NM NM Cougar Mountain73
2 3 2 3 2
NM
NM NM NM
73
53
137135-LK-DEMO
±
119 3 31 78 16 NM NM NM NM Cowhead Lake74
5 2 4 3 3
NM
NM NM NM
74
47
035-LK-DEMO
±
91 38 53 135 15 NM NM NM NM Cougar Mountain75
4 3 2 5 4
NM
NM NM NM
75
48
108235-LK-DEMO
±
102 27 23 85 12 NM NM NM NM Drews Creek/Butcher Flat76
4 4 4 4 4
NM
NM NM NM
76
39
5535-LK-DEMO
±
98 38 56 131 11 NM NM NM NM Cougar Mountain77
5 5 5 3 2
NM
NM NM NM
77
56
126135-LK-DEMO
±
92 34 53 127 10 NM NM NM NM Cougar Mountain78
2 5 5 4 5
NM
NM NM NM
78
47
116335-LK-DEMO
±
93 36 57 136 12 NM NM NM NM Cougar Mountain79
3 3 2 2 2
NM
NM NM NM
79
59
111735-LK-DEMO
±
123 6 32 81 20 NM NM NM NM Cowhead Lake80
5 4 2 4 5
NM
NM NM NM
80
52
4635-LK-DEMO
±
89 35 48 119 9 NM NM NM NM Cougar Mountain81
5 4 3 2 4
NM
NM NM NM
81
53
123635-LK-DEMO
±
121 4 32 75 18 NM NM NM NM Cowhead Lake82
3 4 4 3 5
NM
NM NM NM
82
46
035-LK-DEMO
±
99 38 56 133 7 NM NM NM NM Cougar Mountain83
3 5 4 2 4
NM
NM NM NM
83
46
128635-LK-DEMO
±
116 20 24 87 10 NM NM NM NM Drews Creek/Butcher Flat84
4 5 4 4 4
NM
NM NM NM
84
40
035-LK-DEMO
6A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
107 5 29 69 17 NM NM NM NM Cowhead Lake85
4 4 4 4 3
NM
NM NM NM
85
52
035-LK-DEMO
±
96 35 53 121 10 NM NM NM NM Cougar Mountain86
3 3 3 4 4
NM
NM NM NM
86
38
105335-LK-DEMO
±
92 38 51 129 15 NM NM NM NM Cougar Mountain87
5 3 2 4 5
NM
NM NM NM
87
38
123735-LK-DEMO
±
104 43 58 136 10 NM NM NM NM Cougar Mountain88
2 2 2 2 3
NM
NM NM NM
88
41
134535-LK-DEMO
±
100 37 56 133 8 NM NM NM NM Cougar Mountain89
4 5 3 5 3
NM
NM NM NM
89
59
116135-LK-DEMO
±
107 4 31 69 16 NM NM NM NM Cowhead Lake90
3 2 3 2 4
NM
NM NM NM
90
42
035-LK-DEMO
±
107 10 29 78 15 NM NM NM NM Cowhead Lake91
2 3 5 4 4
NM
NM NM NM
91
30
6835-LK-DEMO
±
122 9 27 80 13 NM NM NM NM Cowhead Lake92
5 2 2 2 2
NM
NM NM NM
92
59
035-LK-DEMO
±
105 4 30 74 18 NM NM NM NM Cowhead Lake93
4 4 4 4 5
NM
NM NM NM
93
31
035-LK-DEMO
±
109 40 57 145 10 NM NM NM NM Cougar Mountain94
4 5 3 3 4
NM
NM NM NM
94
37
127735-LK-DEMO
±
91 37 53 132 15 NM NM NM NM Cougar Mountain95
4 2 2 2 4
NM
NM NM NM
95
35
134235-LK-DEMO
±
113 4 30 72 17 NM NM NM NM Cowhead Lake96
4 2 2 5 3
NM
NM NM NM
96
50
035-LK-DEMO
±
93 38 58 132 12 NM NM NM NM Cougar Mountain97
2 2 4 5 5
NM
NM NM NM
97
60
115035-LK-DEMO
±
116 11 25 77 12 NM NM NM NM Cowhead Lake98
5 5 2 5 5
NM
NM NM NM
98
35
035-LK-DEMO
7A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
129 9 28 81 13 NM NM NM NM Cowhead Lake99
3 3 2 5 5
NM
NM NM NM
99
46
035-LK-DEMO
±
121 3 33 75 18 NM NM NM NM Cowhead Lake100
5 5 5 4 4
NM
NM NM NM
100
53
035-LK-DEMO
±
121 10 27 77 12 NM NM NM NM Cowhead Lake101
3 2 5 5 4
NM
NM NM NM
101
32
035-LK-DEMO
±
93 36 55 128 11 NM NM NM NM Cougar Mountain102
5 2 4 4 3
NM
NM NM NM
102
40
120335-LK-DEMO
±
93 39 53 136 9 NM NM NM NM Cougar Mountain103
2 3 3 5 4
NM
NM NM NM
103
60
112435-LK-DEMO
±
96 36 54 132 9 NM NM NM NM Cougar Mountain104
4 3 2 3 5
NM
NM NM NM
104
59
118835-LK-DEMO
±
93 37 54 133 12 NM NM NM NM Cougar Mountain105
4 3 3 5 5
NM
NM NM NM
105
30
133635-LK-DEMO
±
99 37 54 130 13 NM NM NM NM Cougar Mountain106
4 4 4 2 2
NM
NM NM NM
106
29
125035-LK-DEMO
±
96 39 57 130 13 NM NM NM NM Cougar Mountain107
3 4 2 4 5
NM
NM NM NM
107
45
127435-LK-DEMO
±
115 8 32 75 19 NM NM NM NM Cowhead Lake108
2 4 3 2 3
NM
NM NM NM
108
40
035-LK-DEMO
±
100 40 58 131 11 NM NM NM NM Cougar Mountain109
5 3 4 4 4
NM
NM NM NM
109
39
127735-LK-DEMO
±
107 8 24 70 14 NM NM NM NM Cowhead Lake110
5 3 3 3 4
NM
NM NM NM
110
39
035-LK-DEMO
±
99 40 56 138 14 NM NM NM NM Cougar Mountain111
4 3 5 2 4
NM
NM NM NM
111
54
132235-LK-DEMO
±
101 40 54 136 16 NM NM NM NM Cougar Mountain112
2 3 2 5 2
NM
NM NM NM
112
54
131535-LK-DEMO
8A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
93 38 53 134 14 NM NM NM NM Cougar Mountain113
3 5 2 3 5
NM
NM NM NM
113
52
119635-LK-DEMO
±
106 23 22 88 11 NM NM NM NM Drews Creek/Butcher Flat114
4 4 5 5 3
NM
NM NM NM
114
52
035-LK-DEMO
±
115 7 30 76 16 NM NM NM NM Cowhead Lake115
5 4 2 4 3
NM
NM NM NM
115
55
035-LK-DEMO
±
102 41 57 142 9 NM NM NM NM Cougar Mountain116
3 2 5 5 4
NM
NM NM NM
116
32
134635-LK-DEMO
±
118 10 28 78 12 NM NM NM NM Cowhead Lake117
5 4 2 2 4
NM
NM NM NM
117
29
035-LK-DEMO
±
103 39 53 140 15 NM NM NM NM Cougar Mountain118
5 5 3 4 5
NM
NM NM NM
118
40
129735-LK-DEMO
±
104 40 54 133 12 NM NM NM NM Cougar Mountain119
3 5 5 5 2
NM
NM NM NM
119
28
118535-LK-DEMO
±
105 40 58 139 14 NM NM NM NM Cougar Mountain120
5 3 2 3 4
NM
NM NM NM
120
57
131135-LK-DEMO
±
95 36 53 132 14 NM NM NM NM Cougar Mountain121
5 2 4 5 5
NM
NM NM NM
121
44
79835-LK-DEMO
±
130 9 27 79 12 NM NM NM NM Cowhead Lake122
2 3 4 2 2
NM
NM NM NM
122
56
035-LK-DEMO
±
96 35 50 134 9 NM NM NM NM Cougar Mountain123
3 4 2 3 4
NM
NM NM NM
123
28
106935-LK-DEMO
±
123 9 27 75 13 NM NM NM NM Cowhead Lake124
4 3 3 4 5
NM
NM NM NM
124
46
035-LK-DEMO
±
98 39 58 136 11 NM NM NM NM Cougar Mountain125
2 4 5 5 3
NM
NM NM NM
125
54
129735-LK-DEMO
±
117 20 19 81 11 NM NM NM NM Drews Creek/Butcher Flat126
4 4 4 5 2
NM
NM NM NM
126
49
5535-LK-DEMO
9A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
97 37 57 138 15 NM NM NM NM Cougar Mountain127
3 5 3 5 5
NM
NM NM NM
127
39
115835-LK-DEMO
±
118 9 27 74 11 NM NM NM NM Cowhead Lake128
3 2 4 5 5
NM
NM NM NM
128
43
035-LK-DEMO
±
109 24 22 87 10 NM NM NM NM Drews Creek/Butcher Flat129
4 2 3 2 5
NM
NM NM NM
129
52
6535-LK-DEMO
±
101 22 24 86 12 NM NM NM NM Drews Creek/Butcher Flat130
4 5 3 4 2
NM
NM NM NM
130
31
5235-LK-DEMO
±
93 36 53 126 13 NM NM NM NM Cougar Mountain131
3 2 3 3 3
NM
NM NM NM
131
48
122535-LK-DEMO
±
113 4 31 72 16 NM NM NM NM Cowhead Lake132
3 4 5 4 2
NM
NM NM NM
132
51
035-LK-DEMO
±
102 4 27 67 16 NM NM NM NM Cowhead Lake133
4 3 4 3 5
NM
NM NM NM
133
31
035-LK-DEMO
±
117 5 32 75 18 NM NM NM NM Cowhead Lake134
2 5 3 2 5
NM
NM NM NM
134
54
035-LK-DEMO
±
90 35 53 126 12 NM NM NM NM Cougar Mountain135
5 2 3 4 4
NM
NM NM NM
135
59
115435-LK-DEMO
±
106 41 60 142 13 NM NM NM NM Cougar Mountain136
5 3 3 5 2
NM
NM NM NM
136
31
124935-LK-DEMO
±
92 35 54 131 10 NM NM NM NM Cougar Mountain137
2 3 5 3 3
NM
NM NM NM
137
46
128935-LK-DEMO
±
92 34 54 130 11 NM NM NM NM Cougar Mountain138
5 5 5 2 5
NM
NM NM NM
138
59
123835-LK-DEMO
±
117 9 26 79 13 NM NM NM NM Cowhead Lake139
3 2 3 2 3
NM
NM NM NM
139
59
035-LK-DEMO
±
113 3 29 76 16 NM NM NM NM Cowhead Lake140
5 3 3 4 4
NM
NM NM NM
140
47
035-LK-DEMO
10A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
95 38 55 135 12 NM NM NM NM Cougar Mountain141
5 4 4 4 5
NM
NM NM NM
141
41
123535-LK-DEMO
±
105 40 56 131 12 NM NM NM NM Cougar Mountain142
2 3 2 2 5
NM
NM NM NM
142
54
124035-LK-DEMO
±
96 39 56 125 12 NM NM NM NM Cougar Mountain143
3 3 4 4 2
NM
NM NM NM
143
30
112735-LK-DEMO
±
120 9 26 78 11 NM NM NM NM Cowhead Lake144
2 2 2 3 5
NM
NM NM NM
144
42
035-LK-DEMO
±
118 4 30 76 17 NM NM NM NM Cowhead Lake145
5 3 4 5 3
NM
NM NM NM
145
55
035-LK-DEMO
±
100 41 57 142 11 NM NM NM NM Cougar Mountain146
4 4 2 4 5
NM
NM NM NM
146
37
126035-LK-DEMO
±
131 10 28 83 11 NM NM NM NM Cowhead Lake147
4 4 5 3 2
NM
NM NM NM
147
54
035-LK-DEMO
±
105 4 30 69 15 NM NM NM NM Cowhead Lake148
5 5 3 2 4
NM
NM NM NM
148
56
035-LK-DEMO
±
101 40 54 133 12 NM NM NM NM Cougar Mountain149
4 2 3 3 5
NM
NM NM NM
149
50
133335-LK-DEMO
±
101 38 55 135 12 NM NM NM NM Cougar Mountain150
2 5 2 2 3
NM
NM NM NM
150
28
133635-LK-DEMO
±
116 9 26 76 12 NM NM NM NM Cowhead Lake151
5 3 3 5 4
NM
NM NM NM
151
33
035-LK-DEMO
±
101 39 57 138 12 NM NM NM NM Cougar Mountain152
3 3 3 2 2
NM
NM NM NM
152
48
138735-LK-DEMO
±
112 23 24 102 12 NM NM NM NM Drews Creek/Butcher Flat153
4 2 4 5 5
NM
NM NM NM
153
44
9835-LK-DEMO
±
96 39 53 133 12 NM NM NM NM Cougar Mountain154
4 3 2 2 5
NM
NM NM NM
154
43
129435-LK-DEMO
11A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
102 41 58 133 12 NM NM NM NM Cougar Mountain155
5 5 2 5 2
NM
NM NM NM
155
36
126535-LK-DEMO
±
101 43 60 140 13 NM NM NM NM Cougar Mountain156
5 4 3 5 5
NM
NM NM NM
156
60
136335-LK-DEMO
±
110 11 29 81 15 NM NM NM NM Cowhead Lake157
4 3 3 5 2
NM
NM NM NM
157
55
9535-LK-DEMO
±
115 4 30 74 15 NM NM NM NM Cowhead Lake158
3 3 5 3 4
NM
NM NM NM
158
53
035-LK-DEMO
±
92 34 54 126 12 NM NM NM NM Cougar Mountain159
4 4 3 4 5
NM
NM NM NM
159
38
128935-LK-DEMO
±
99 38 58 139 16 NM NM NM NM Cougar Mountain160
2 3 4 2 5
NM
NM NM NM
160
28
119035-LK-DEMO
±
123 9 26 83 11 NM NM NM NM Cowhead Lake161
2 5 5 5 5
NM
NM NM NM
161
42
035-LK-DEMO
±
126 11 27 81 13 NM NM NM NM Cowhead Lake162
3 2 2 2 5
NM
NM NM NM
162
44
035-LK-DEMO
±
121 9 27 77 13 NM NM NM NM Cowhead Lake163
5 2 2 3 5
NM
NM NM NM
163
46
035-LK-DEMO
±
100 41 58 135 12 NM NM NM NM Cougar Mountain164
5 5 4 4 3
NM
NM NM NM
164
43
134135-LK-DEMO
±
96 38 58 137 12 NM NM NM NM Cougar Mountain165
4 3 4 3 3
NM
NM NM NM
165
28
126135-LK-DEMO
±
101 38 55 136 10 NM NM NM NM Cougar Mountain166
2 4 2 5 4
NM
NM NM NM
166
38
122835-LK-DEMO
±
118 4 31 73 16 NM NM NM NM Cowhead Lake167
5 2 3 5 4
NM
NM NM NM
167
60
035-LK-DEMO
±
93 40 55 134 11 NM NM NM NM Cougar Mountain168
5 3 3 4 5
NM
NM NM NM
168
55
119335-LK-DEMO
12A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
101 44 58 134 12 NM NM NM NM Cougar Mountain169
4 3 3 4 2
NM
NM NM NM
169
56
116135-LK-DEMO
±
106 41 55 136 12 NM NM NM NM Cougar Mountain170
2 2 2 2 5
NM
NM NM NM
170
57
128335-LK-DEMO
±
96 39 56 134 14 NM NM NM NM Cougar Mountain171
2 4 4 4 2
NM
NM NM NM
171
55
106935-LK-DEMO
±
121 6 30 86 15 NM NM NM NM Cowhead Lake172
2 2 3 5 2
NM
NM NM NM
172
28
2235-LK-DEMO
±
110 3 31 72 13 NM NM NM NM Cowhead Lake173
3 5 3 2 5
NM
NM NM NM
173
35
035-LK-DEMO
±
122 10 27 78 12 NM NM NM NM Cowhead Lake174
3 3 5 3 5
NM
NM NM NM
174
60
035-LK-DEMO
±
126 9 28 78 14 NM NM NM NM Cowhead Lake175
2 4 2 2 3
NM
NM NM NM
175
32
035-LK-DEMO
±
90 35 53 123 12 NM NM NM NM Cougar Mountain176
4 4 2 4 5
NM
NM NM NM
176
33
106235-LK-DEMO
±
93 39 56 135 14 NM NM NM NM Cougar Mountain177
4 5 4 5 3
NM
NM NM NM
177
59
132335-LK-DEMO
±
102 40 58 136 14 NM NM NM NM Cougar Mountain178
2 4 5 3 3
NM
NM NM NM
178
46
127935-LK-DEMO
±
90 37 53 124 11 NM NM NM NM Cougar Mountain179
5 2 4 4 5
NM
NM NM NM
179
37
112435-LK-DEMO
±
103 41 60 138 10 NM NM NM NM Cougar Mountain180
2 5 5 5 2
NM
NM NM NM
180
30
111135-LK-DEMO
±
101 23 20 83 12 NM NM NM NM Drews Creek/Butcher Flat181
4 4 4 3 2
NM
NM NM NM
181
51
6535-LK-DEMO
±
130 10 28 85 14 NM NM NM NM Cowhead Lake182
3 5 3 3 5
NM
NM NM NM
182
28
035-LK-DEMO
13A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
116 25 25 100 13 NM NM NM NM Drews Creek/Butcher Flat183
5 4 3 4 3
NM
NM NM NM
183
31
6735-LK-DEMO
±
108 9 29 75 17 NM NM NM NM Cowhead Lake184
5 5 3 3 5
NM
NM NM NM
184
40
5935-LK-DEMO
±
122 11 27 78 15 NM NM NM NM Cowhead Lake185
3 2 5 3 3
NM
NM NM NM
185
33
035-LK-DEMO
±
105 41 56 141 10 NM NM NM NM Cougar Mountain186
2 5 4 4 5
NM
NM NM NM
186
36
127835-LK-DEMO
±
103 39 62 139 10 NM NM NM NM Cougar Mountain187
5 5 5 4 3
NM
NM NM NM
187
43
118035-LK-DEMO
±
97 39 60 137 11 NM NM NM NM Cougar Mountain188
4 3 5 3 3
NM
NM NM NM
188
42
126635-LK-DEMO
±
104 43 60 143 9 NM NM NM NM Cougar Mountain189
3 4 4 4 5
NM
NM NM NM
189
56
137035-LK-DEMO
±
86 34 49 121 12 NM NM NM NM Cougar Mountain190
4 5 4 2 3
NM
NM NM NM
190
58
119035-LK-DEMO
±
114 5 31 77 15 NM NM NM NM Cowhead Lake191
5 2 4 2 2
NM
NM NM NM
191
55
035-LK-DEMO
±
97 34 54 127 11 NM NM NM NM Cougar Mountain192
4 3 3 5 3
NM
NM NM NM
192
46
128535-LK-DEMO
±
121 4 33 77 16 NM NM NM NM Cowhead Lake193
5 2 3 4 3
NM
NM NM NM
193
51
035-LK-DEMO
±
89 34 55 122 10 NM NM NM NM Cougar Mountain194
4 5 2 3 5
NM
NM NM NM
194
41
126935-LK-DEMO
±
99 39 57 136 13 NM NM NM NM Cougar Mountain195
4 5 4 2 5
NM
NM NM NM
195
46
117935-LK-DEMO
±
112 19 20 80 11 NM NM NM NM Drews Creek/Butcher Flat196
5 2 5 4 4
NM
NM NM NM
196
54
5835-LK-DEMO
14A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
102 43 59 138 10 NM NM NM NM Cougar Mountain197
5 5 5 5 3
NM
NM NM NM
197
35
122435-LK-DEMO
±
91 32 51 119 11 NM NM NM NM Cougar Mountain198
3 5 4 3 3
NM
NM NM NM
198
43
115235-LK-DEMO
±
97 40 59 139 14 NM NM NM NM Cougar Mountain199
4 2 2 3 3
NM
NM NM NM
199
28
132835-LK-DEMO
±
104 43 58 136 10 NM NM NM NM Cougar Mountain200
2 2 2 5 5
NM
NM NM NM
200
29
134535-LK-DEMO
±
117 4 30 75 16 NM NM NM NM Cowhead Lake201
2 2 3 5 4
NM
NM NM NM
201
55
035-LK-DEMO
±
93 38 52 132 11 NM NM NM NM Cougar Mountain202
2 4 3 4 5
NM
NM NM NM
202
54
131435-LK-DEMO
±
93 35 51 129 13 NM NM NM NM Cougar Mountain203
4 3 3 2 4
NM
NM NM NM
203
41
127135-LK-DEMO
±
101 41 54 135 12 NM NM NM NM Cougar Mountain204
5 4 2 5 3
NM
NM NM NM
204
37
130535-LK-DEMO
±
99 40 55 139 10 NM NM NM NM Cougar Mountain205
2 4 5 4 5
NM
NM NM NM
205
57
124335-LK-DEMO
±
110 3 31 73 17 NM NM NM NM Cowhead Lake206
3 2 4 3 5
NM
NM NM NM
206
43
035-LK-DEMO
±
116 5 32 73 17 NM NM NM NM Cowhead Lake207
3 4 5 2 5
NM
NM NM NM
207
33
035-LK-DEMO
±
108 3 31 72 17 NM NM NM NM Cowhead Lake208
3 3 4 3 5
NM
NM NM NM
208
42
035-LK-DEMO
±
106 4 30 69 16 NM NM NM NM Cowhead Lake209
4 3 5 3 3
NM
NM NM NM
209
39
035-LK-DEMO
±
112 3 32 71 18 NM NM NM NM Cowhead Lake210
5 4 4 4 4
NM
NM NM NM
210
35
035-LK-DEMO
15A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
94 38 55 136 12 NM NM NM NM Cougar Mountain211
3 5 5 3 2
NM
NM NM NM
211
34
121135-LK-DEMO
±
117 25 24 100 9 NM NM NM NM Drews Creek/Butcher Flat212
5 5 5 5 4
NM
NM NM NM
212
36
7535-LK-DEMO
±
111 7 29 80 17 NM NM NM NM Cowhead Lake213
4 5 3 2 3
NM
NM NM NM
213
41
5135-LK-DEMO
±
123 3 36 79 20 NM NM NM NM Cowhead Lake214
2 3 5 4 2
NM
NM NM NM
214
53
035-LK-DEMO
±
117 5 31 74 16 NM NM NM NM Cowhead Lake215
3 4 3 2 5
NM
NM NM NM
215
56
035-LK-DEMO
±
89 35 49 121 11 NM NM NM NM Cougar Mountain216
3 4 2 4 4
NM
NM NM NM
216
56
107135-LK-DEMO
±
124 10 26 78 14 NM NM NM NM Cowhead Lake217
4 4 3 5 2
NM
NM NM NM
217
59
035-LK-DEMO
±
95 39 57 134 12 NM NM NM NM Cougar Mountain218
2 2 2 2 5
NM
NM NM NM
218
28
134935-LK-DEMO
±
95 35 55 132 12 NM NM NM NM Cougar Mountain219
3 2 5 4 2
NM
NM NM NM
219
54
119435-LK-DEMO
±
95 38 51 134 13 NM NM NM NM Cougar Mountain220
3 4 2 3 2
NM
NM NM NM
220
34
121435-LK-DEMO
±
115 3 30 73 16 NM NM NM NM Cowhead Lake221
4 3 3 2 3
NM
NM NM NM
221
49
035-LK-DEMO
±
91 35 53 126 11 NM NM NM NM Cougar Mountain222
2 2 4 2 2
NM
NM NM NM
222
34
109035-LK-DEMO
±
114 5 31 71 17 NM NM NM NM Cowhead Lake223
5 4 4 3 2
NM
NM NM NM
223
50
035-LK-DEMO
±
87 35 51 125 10 NM NM NM NM Cougar Mountain224
5 5 5 4 2
NM
NM NM NM
224
52
117435-LK-DEMO
16A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
109 4 30 70 15 NM NM NM NM Cowhead Lake225
2 4 5 3 5
NM
NM NM NM
225
38
035-LK-DEMO
±
109 3 30 70 15 NM NM NM NM Cowhead Lake226
2 3 2 3 2
NM
NM NM NM
226
32
035-LK-DEMO
±
112 25 23 92 10 NM NM NM NM Drews Creek/Butcher Flat227
5 5 3 2 5
NM
NM NM NM
227
30
5635-LK-DEMO
±
113 4 29 73 16 NM NM NM NM Cowhead Lake228
5 4 3 5 2
NM
NM NM NM
228
46
035-LK-DEMO
±
103 41 60 138 10 NM NM NM NM Cougar Mountain229
2 4 3 2 2
NM
NM NM NM
229
50
111135-LK-DEMO
±
95 37 52 134 12 NM NM NM NM Cougar Mountain230
2 5 2 2 5
NM
NM NM NM
230
53
105935-LK-DEMO
±
121 9 25 78 13 NM NM NM NM Cowhead Lake231
4 4 3 5 2
NM
NM NM NM
231
57
035-LK-DEMO
±
108 8 24 75 11 NM NM NM NM Cowhead Lake232
4 4 2 5 2
NM
NM NM NM
232
60
035-LK-DEMO
±
99 39 54 135 14 NM NM NM NM Cougar Mountain233
5 4 5 2 4
NM
NM NM NM
233
28
120135-LK-DEMO
±
90 33 52 125 11 NM NM NM NM Cougar Mountain234
5 4 4 5 3
NM
NM NM NM
234
34
124635-LK-DEMO
±
127 10 28 78 13 NM NM NM NM Cowhead Lake235
2 2 3 2 4
NM
NM NM NM
235
33
035-LK-DEMO
±
121 4 32 78 16 NM NM NM NM Cowhead Lake236
3 3 3 3 4
NM
NM NM NM
236
49
035-LK-DEMO
±
119 4 30 77 16 NM NM NM NM Cowhead Lake237
5 3 5 5 2
NM
NM NM NM
237
36
035-LK-DEMO
±
115 8 25 73 12 NM NM NM NM Cowhead Lake238
4 2 4 2 4
NM
NM NM NM
238
40
035-LK-DEMO
17A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
114 9 26 78 11 NM NM NM NM Cowhead Lake239
3 3 2 2 3
NM
NM NM NM
239
39
035-LK-DEMO
±
119 25 24 100 12 NM NM NM NM Drews Creek/Butcher Flat240
4 5 3 3 2
NM
NM NM NM
240
39
9035-LK-DEMO
±
99 22 23 84 11 NM NM NM NM Drews Creek/Butcher Flat241
3 2 4 2 2
NM
NM NM NM
241
36
035-LK-DEMO
±
96 38 55 136 12 NM NM NM NM Cougar Mountain242
3 3 5 3 2
NM
NM NM NM
242
32
127935-LK-DEMO
±
131 10 27 82 12 NM NM NM NM Cowhead Lake243
5 5 4 4 2
NM
NM NM NM
243
46
035-LK-DEMO
±
118 4 32 76 15 NM NM NM NM Cowhead Lake244
5 4 2 5 3
NM
NM NM NM
244
54
035-LK-DEMO
±
112 22 23 94 10 NM NM NM NM Drews Creek/Butcher Flat245
5 2 5 5 5
NM
NM NM NM
245
30
4835-LK-DEMO
±
113 5 31 76 15 NM NM NM NM Cowhead Lake246
4 4 3 3 4
NM
NM NM NM
246
51
035-LK-DEMO
±
92 36 53 123 12 NM NM NM NM Cougar Mountain247
2 5 3 3 3
NM
NM NM NM
247
42
113035-LK-DEMO
±
101 40 54 140 13 NM NM NM NM Cougar Mountain248
4 3 3 3 2
NM
NM NM NM
248
59
137735-LK-DEMO
±
95 39 52 131 13 NM NM NM NM Cougar Mountain249
4 4 5 2 3
NM
NM NM NM
249
57
117535-LK-DEMO
±
100 39 57 135 16 NM NM NM NM Cougar Mountain250
3 4 4 4 5
NM
NM NM NM
250
28
122835-LK-DEMO
±
107 6 31 73 15 NM NM NM NM Cowhead Lake251
5 3 4 2 2
NM
NM NM NM
251
38
035-LK-DEMO
±
94 39 54 129 9 NM NM NM NM Cougar Mountain252
5 2 2 4 3
NM
NM NM NM
252
40
111335-LK-DEMO
18A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
103 43 58 143 13 NM NM NM NM Cougar Mountain253
3 2 3 4 4
NM
NM NM NM
253
34
123735-LK-DEMO
±
112 4 30 72 17 NM NM NM NM Cowhead Lake254
3 5 2 3 4
NM
NM NM NM
254
49
035-LK-DEMO
±
90 36 53 128 9 NM NM NM NM Cougar Mountain255
5 5 4 5 5
NM
NM NM NM
255
45
119135-LK-DEMO
±
122 9 27 79 11 NM NM NM NM Cowhead Lake256
2 5 4 3 4
NM
NM NM NM
256
55
035-LK-DEMO
±
110 4 29 70 16 NM NM NM NM Cowhead Lake257
2 4 5 2 2
NM
NM NM NM
257
45
035-LK-DEMO
±
102 41 57 142 12 NM NM NM NM Cougar Mountain258
4 3 4 4 4
NM
NM NM NM
258
51
121735-LK-DEMO
±
108 20 24 84 9 NM NM NM NM Drews Creek/Butcher Flat259
2 2 4 3 4
NM
NM NM NM
259
40
035-LK-DEMO
±
103 42 56 140 14 NM NM NM NM Cougar Mountain260
5 2 3 2 5
NM
NM NM NM
260
59
120835-LK-DEMO
±
121 9 26 86 12 NM NM NM NM Cowhead Lake261
3 5 5 3 3
NM
NM NM NM
261
54
035-LK-DEMO
±
93 34 50 128 13 NM NM NM NM Cougar Mountain262
5 4 2 4 5
NM
NM NM NM
262
36
107435-LK-DEMO
±
89 33 50 120 11 NM NM NM NM Cougar Mountain263
3 3 3 3 5
NM
NM NM NM
263
34
124735-LK-DEMO
±
98 37 57 138 15 NM NM NM NM Cougar Mountain264
5 5 5 2 5
NM
NM NM NM
264
35
133635-LK-DEMO
±
102 40 56 140 13 NM NM NM NM Cougar Mountain265
4 3 5 5 5
NM
NM NM NM
265
30
131135-LK-DEMO
±
103 5 31 69 17 NM NM NM NM Cowhead Lake266
5 2 3 2 3
NM
NM NM NM
266
30
035-LK-DEMO
19A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.
Table A-1. Results of XRF Studies: 35-LK-DEMOSITE, Lake County, Oregon
Geochemical SourceSite Catalog No. Rb Sr Y Zr Nb Ti Mn
Trace Element Concentrations
Fe O Fe:Mn2 3
Northwest Research Obsidian Studies Laboratory
Fe:TiT
Ratios
Specimen No. Ba
±
89 34 52 124 10 NM NM NM NM Cougar Mountain267
5 2 5 4 3
NM
NM NM NM
267
29
122935-LK-DEMO
±
148 109 22 222 9 NM NM NM NM RGM-1 Reference StandardRGM-1
2 2 5 2 2
NM
NM NM NM
RGM-1
31
794NA
20A -
All trace element values reported in parts per million; ± = analytical uncertainty estimate (in ppm). Iron content reported as weight percent oxide.
NA = Not available; ND = Not detected; NM = Not measured; * = Small sample; FGV = Fine-grained volcanic specimen.