Chapter 13-14 Flashcards
1
Q
mineral
A
solid orderly material not made from life arranged in a pattern
2
Q
4 mineral classes
A
silicates, oxides, sulfides and sulfates, carbonates
3
Q
aphanitic
A
small grains, cools fast
4
Q
phaneritic
A
large grains cool slow
5
Q
most common sedimentary
A
Shale - clay
Limestone - chemical
Sandstone - sand
6
Q
origins of coal and petrolium
A
coal-peat from wetlands
petrolium-shallow seas
7
Q
weathering
A
process where solid rock is broken apart and desolved
8
Q
erosion
A
transportation of rock fragments by water wind and glaciers
9
Q
denudation
A
the lowering and wearing away of earths surface
10
Q
angle of repose
A
maximum slope angle that a material can be stable. main reason for mass movement.
11
Q
classifications of mass wasting processes
A
Soil creep: slow dry rock fall: fast dry debris avalanche: fast damp mud flow: fast wet slump: middle earthflow: middle soliflucation: slow wet