Sodic Pyroxene and Sodic Amphibole as Potential Reference ...
Amphibole group by-nc-sa: Giant Gingko. Amphibole minerals are found in igneous and metamorphic...
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Amphibole group by-nc-sa: Giant Gingko
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Transcript of Amphibole group by-nc-sa: Giant Gingko. Amphibole minerals are found in igneous and metamorphic...
Amphibole group
by-
nc-s
a: G
ian
t Gin
gko
Amphibole minerals are found in igneous and metamorphic rocks.
Amphibole minerals form needle-like or prism-shaped crystals.
US
GS
The minerals collectively know as asbestos are members of the amphibole mineral group.
Most amphibole minerals are not asbestos.
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an
pru
Amphibole is found in intrusive igneous rocks.
diorite
granite lamprophyreb
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on
Sch
ott©
Bru
ce M
oln
ia,
(Ea
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granodiorite
US
GS U
SG
S
Amphibole is found in extrusive igneous rocks.
rhyolite
andesitedacite
US
GS
Mou
nt S
t. H
elen
s
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nc-s
a: R
on
Sch
ott
US
GS
US
GS
Amphibole (dark) and plagioclase (light) crystals in amphibolite.
Amphibole is found in metamorphic rocks.
gneissschist
© C
orn
el M
an
eca
n
(Ea
rth
Sci
enc
e I
ma
ge
Ba
nk)
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d: G
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metamorphosed limestone with stromatalites
Greenstone belts, named for the green color of amphibole, contain
metamorphosed igneous and sedimentary rock.
by:
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vin
zim
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: Ro
n S
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tt
metamorphosed pillow basalt
by-nc-sa
: Ro
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amphibolite cut by dikes
Microscopic photograph of asbestos.
AT
SD
R/C
DC
The amphiboles in metamorphic rocks can form very long and thin crystals.
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blic do
ma
in
Most commercial asbestos comes from chrysotile, a fibrous variety of the mineral serpentine (amphibole).
US
GS
(Ea
rth S
cience
Ima
ge
Ba
nk)
by-
nc-n
d: N
iem
ste
rb
y-nc: Albin
oF
lea
Asbestos was used in older buildings as insulation, roofing material, and other
heat or fire proof applications.
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d: p
atricia im
agin
es
Asbestos removal is happening all over the world.
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rik B
by-nc-n
d: A
lain
Ba
chellie
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d: m
axna
tha
nsb
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: M
ich
ae
l Pe
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as
Amphiboles are an important component of many decorative building stones, where their colors contribute to the stones’ decorative pattern.
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nc-s
a: J
am
es_
Cb
y-nd
: a
mis
ha
hb
y-nc-sa: R
on
Sch
ott
by-nc-sa
: mh
arrsch
Jade is made of amphibole or pyroxene, and prized in Chinese,
Maori and Aztec cultures.
by-
nc-s
a:
libra
rym
an
© S
ton
eT
rust (E
arth
Scie
nce
Imag
e B
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: san
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98
Nephrite (an amphibole) and jadeite (a pyroxene) are nearly indistinguishable.
by-nc: M
ister W
ind
-Up
Bird
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sa:
cyg
noir
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d: H
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Amphibole group
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a: G
ian
t Gin
gko
media rights
Many of the photos in this presentation were obtained through Flickr and Wikipedia.
Funded by FIPSE and by the University of Minnesota. Compiled for Dr. Kent Kirkby, Department of Geology and Geophysics, by Kate Rosok, 2007. Each displayed image
retains its original media rights. For educational purposes only; not to be used commercially.
public domain (none)
© Copyright. All rights reserved
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by
by-nd
by-sa
by-nc-ndCre
ativ
e C
omm
ons
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nses
GNU GNU Free Documentation License
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