Lab ROCKS Flashcards
1
Q
Sandstone
A
Rough like sandpaper; has quartz grains; gray/black/tan/brown
2
Q
Mudstone
A
Feels smooth, small clast, will not scratch glass
3
Q
Coquina
A
Shell fragments cemented together; granola bar
4
Q
Fossiliferous Limestone
A
Visible shells
5
Q
Rock salt
A
Made of halite; salty taste
6
Q
Chert
A
Waxy luster, scratches glass, variable color
7
Q
Chalk
A
Plant fossils not visible, white, writes on surface
8
Q
Coal
A
Brown/Black; feels light
9
Q
Conglomerate
A
Coarse; primarily rounded clasts, poorly sorted
