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Geo Lab Test 4
Rocks and Stuff
31
Geology
Undergraduate 1
03/19/2012

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Cards

Term
Metamorphic Rocks
Definition
Term
Quartzite
Definition
non-foliated texture, quartz mineral, sandstone protolith
Term
marble
Definition
non-foliated texture, calcite/dolomite minerals, limestone protolith
Term
Slate
Definition
folitated texture, clay/quartz minerals, shale/mudstone protolith
Term
Muscovite Shist
Definition
folitaed texture, muscovite mica/clay/quartz minerals, shale/mudstone  protolith
Term
Biotite Shist
Definition
foliated texture, biotite mica mica/clay quartz, shale/mudstone protolith
Term
Gneiss
Definition
foliated texture, light- quartz and feldspar; dark - amphibole and biotite, shale/mudstone igneous rock
Term
Sedimentary Rocks
Definition
Term
conglomerate
Definition
coarse/rounded-grained, poorly sorted, rock fragments, quartz, clay minerals, detrital
Term
Breccia
Definition
coarse/angular, poorly sorted, rock fragments/quartz/clay, detrital
Term
Sandstone
Definition
coarse, well or poor, quartz, detrital
Term
Shale(mudstone)
Definition
fine grained, well sorted, quartz/clay minerals, detrital
Term
chert
Definition
fine-grained, well sorted, quartz, chemical 
Term
micritic limestone
Definition
fine grained, well sorted, calcite, chemical and bioclastic
Term
oolitic limestone
Definition
coarse, well or poorly sorted, calcite, chemical and bioclastic
Term
fossiliferous limestone
Definition
coarse, poorly sorted, calcite, bioclastic
Term
coal
Definition
fine grained, well sorted, plants/carbon, bioclastic
Term
Rock Cycle
Definition
[image]
Term
Igneous Rocks
Definition
Term
basalt
Definition
mafic(high temp, dark color, low viscosity, plagioclase), aphanitic
Term
Diorite
Definition
intermediate(intermediate temp, gray color, high viscosity, mixture of plagioclase and quartz), phaneritic
Term
Obsidian
Definition
felsic-mafic, glassy texture, quartz product, high viscosity
Term
rhyolite(porphyritic)
Definition
felsic(low temp, light color, high viscosity, quartz), aphanitic
Term
Gabbro
Definition
mafic(high temp, dark color, low viscosity), phaneritic
Term
Pumice
Definition
Felsic/intermediate, vesicular texture, silica, high viscosity/extrusive
Term
Granite
Definition
felsic(low temp, high viscosity, light color), phaneritic, intrusive, quartz
Term
Andesite(poryphoritic)
Definition
intermediate, aphanitic, extrusive, high viscosity
Term
pegmatic Granite
Definition

felsic(low temp, light color, high viscosity)

pegmatic texture, instrusive

Term
Scoria
Definition

mafic(high temp, low viscosity, extrusive, dark color) 

vesicular texture, 

derived from basalt

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