Lab 3 & 4 Flashcards
(15 cards)
1
Q
Detrital
A
Grain textures such as gravel, sand and clay
2
Q
Chemical
A
Random crystals
3
Q
Biochemical
A
Fossil shells
4
Q
Organic
A
Coal
5
Q
Detrital size, sorting, rounding, composition
A
Size(gravel,sand,slit,clay)
Sorting( well(same sized grains), poorly)
Rounding(rounded, Angular)
Composition(qtz,feldspar,clay,mica,rock fragments)
6
Q
C/B/O composition
A
Quartz (scratches glass)
Calcite (rock reacts to acid)
Dolomite (powder reacts to acid)
Gypsum (nail scratches)
Halite (salty)
Plant matter (coal)
7
Q
Fissile
A
Layers aka shale
8
Q
Banded
A
Layers of colors
9
Q
Hematitic
A
Red, iron oxide
10
Q
Limonitic
A
Yellow
11
Q
Calcareous
A
Calcite (rock reacts to acid)
12
Q
Lab 4 slatey
A
Shale
13
Q
Lab 4 phyllitic
A
Shiny
14
Q
Lab 4 schistose
A
Mica, shiniest
15
Q
Lab 4 gneissic
A
Banded (light&dark)
