Geol 201 Lab Quiz 3 – review:
1.
2.
3.
4.
The Quiz will include 5 rocks listed below (2 metamorphic and 3 sedimentary);
Please review the Rock Cycle and agents of metamorphism;
This is a closed-book quiz; please don’t use your lab manuals, notes, or any devices;
It’ll be taken around 15 min; please control your time.
Metamorphic Rocks:
Texture
Nonfoliated
Foliated
Nonfoliated
Distinctive Features
100% quartz
Shiney (schistose) texture
Contains veins
Name of Rock
QUARTZITE
SCHIST
MARBLE
Foliated
banded
GNEISS
Parent Rock
Sandstone
Mudstone, Shale, Slate, or Phyllite
Limestone
Mudstone, Shale, Slate, Phyllite, Schist, *
Granite, or Diorite
Sedimentary Rocks:
Comp. Classification
Detrital
Chemical
Detrital
Chemical
Biochemical
Detrital
Texture
Clastic
Microcrystalline
Clastic
Crystalline
Clastic
Clastic
Name of Rock
SHALE
CHERT
CONGLOMERATE
ROCK GYPSUM
BITUMINOUS COAL
ARKOSE
Depositional Environment
shallow marine, delta, marsh, floodplain
deep marine
Stream
playa
Bog, marsh
alluvial fan, stream