| Term | Definition |
|
granite |
intrusive, ingeous, normal rock, light colour |
|
pumice |
extrusive, ingeous, un-heavy and holey |
|
obsidian |
extrusive, ingeous, like black glass |
|
basalt |
extrusive, ingeous, like a norman rock but black |
|
limestone |
organic, sedimentary, hard, normal rock |
|
bituminous coal |
organic, sedimentary, black, fine grained |
|
chalk |
organic, sedimentary, white, fine grained |
|
sandstone |
clastic, sedimentary, sandy |
|
siltstone |
clastic, sedimentary, dark, slightly darker than shale |
|
shale |
clastic, sedimentary, dark, slightly lighter than siltstone |
|
gneiss |
foliated, metamorphic, layered, dark, flat |
|
serpentine |
not foliated, metamorphic, dark, red bit going through |
|
marble |
not foliated, metamorphic, white with veins |
|
garnet-mica-schist |
not foliated, metamorphic, shiny, goldish |