Sedimentary Flashcards
1
Q
How is it made?
A
Weathering and Erosion -> Transportation -> Deposition -> Compaction and Cementation
2
Q
Chemical
A
- minerals are dissolved in water, evaporated off
* halite, limestone, gypsum
3
Q
Mechanical
A
- eroded fragments of other rocks
- shale, microscopic grains of mud cemented together
- sandstone, sand grains cemented together
- conglomerate, pebble to boulder size fragments cemented together
4
Q
Organic
A
- formed from remains of plants and animals which have hardened
- oil, animal
- coal, plant
- coral, sea life
5
Q
Layers are…
A
Porous, can be penetrated by water
6
Q
It is…
A
Layer upon layer
