Lab Final Flashcards
1
Q
non-foliated metamorphic rock
A
- Do not show any layering
- Made of a single mineral
2
Q
foliated metamorphic rock
A
- show layering or flattened minerals produced by directed stress
- Slate, phyllite, schist gneiss
3
Q
Phaneritic
A
- Visible crystals
- entire rock made of crystals
- plutonic
4
Q
Aphantic
A
- Crystals too small to see
- Igneous rock
- volcanic
5
Q
Glassy
A
- glass
- ex. Obsidian
6
Q
Frothy
A
-Pumice, scoria
7
Q
Pyroclastic
A
- rocks, bombs, ash, crystals fragments
- tuff, breccia
8
Q
Porphyritic
A
- Igneous
- large and small mineral grains
- can be volcanic porphyritic
9
Q
Vesicular
A
- pumice/scoria
- full of holes
10
Q
Quartzite parent rock
A
Sandstone
11
Q
Marble parent rock
A
limestone
12
Q
Serpentinite parent rock
A
basalt
13
Q
amphibolite parent rock
A
granite or diorite
14
Q
Hornfels parent rock
A
any rock
15
Q
graphite parent rock
A
Limestone or coal
16
Q
Anthracite coal parent rock
A
Bituminous coal
17
Q
pegmatitic
A
-rock made of crystals greater than 2cm
18
Q
vitreous
A
- luster
- glassy
19
Q
resinous
A
- smooth
- plastic-looking
- gum looking
