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Title: rock types

Description: rock types

Total Flash Cards: 33

Created: 03/06/2006 09:31:15

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Cards

Term
granite
Definition
Felsic Light colored coasrse grained Intrusive Igneous rock.
Term
rhyolite
Definition
felsic light colored fine grained extrusive igneous rock
Term
diorite
Definition
intermediate gray to salt and pepper coarse grained igneous
Term
andesite
Definition
intermediate gray/ salt pepper fine grained intrusive igneous rock
Term
gabbro
Definition
mafic dark color coarse grained igneous
Term
basalt
Definition
mafic dark colored fine grained
Term
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Definition
Andesite
Term
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Definition
basalt
Term
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Definition
diorite
Term
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Definition
gabbro
Term
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Definition
granite
Term
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Definition
rhyolite
Term
breccia
Definition
clastic large angular grains in fine matrix, lots of feldspar
Term
conglomerate
Definition
clastic large rounded grains in fine matrix, lots of feldspar poor sorting
Term
quartz arenite
Definition
mostly quarts round to sub round grains well sorted
Term
arkose
Definition
quartz and feldspar, reddish color, sub round to angular grains, sandy looking, moderately poor sorting
Term
lithic sandstone
Definition
poorly-moderately poor sorting sub round to angular contains a variety of rock fragments
Term
graywacke
Definition
quartz, feldspar, rock fragments and clay, angular to sub angular grains, poorly sorted
Term
shale
Definition
mud, clay, silt, well sorted, no grainsize <.06mm, very small.
Term
limestone
Definition
clean crystaline reacts with HCl
Term
fossiliferous limestone
Definition
fossils and fossil imprints in crystalline matrix reacts to HCl
Term
coquina
Definition
poorly cemented shell fragments reacts to HCl looks like oatmeal/granola
Term
chert
Definition
dense microcrystalline quartz mild reaction to HCl
Term
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Definition
shale
Term
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Definition
quarts arenite
Term
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Definition
lithic sandstone
Term
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Definition
limestone
Term
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Definition
fossiliferous limestone
Term
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Definition
coquina
Term
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Definition
conglomerate
Term
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Definition
chert
Term
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Definition
breccia
Term
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Definition
arkose



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