Sedimentary Rocks Flashcards
1
Q
Conglomerate
A
Detrital Gravel Size Rounded Grains Poorly Sorted Minerals vary with dominant clast
2
Q
Quartz Sandstone
A
Detrital Sand size Rounded Grains Well sorted Mostly Quartz
3
Q
Arkose
A
Detrital Sand size Sub-Angular Grains Poorly Sorted K-Feldspar, Quartz
4
Q
Greywacke
A
Detrital Sand Size Sub-Rounded Grains Moderately Sorted K-Feldspar, Quartz
5
Q
Siltstone
A
Detrital Silt-Sized Parallel Bedding Well Sorted Quartz
6
Q
Oolitic Limestone
A
Oolitic
Spheres with concentric layers
Calcite
7
Q
Crystalline Limestone
A
Crystalline
Coarsely Crystalline
Calcite
8
Q
Dolostone
A
Crystalline
Dolomite
9
Q
Gypsum
A
Crystalline
Gypsum
10
Q
Chert
A
Crystalline
Quartz
11
Q
Coal
A
Parallel Bedding