Chapter 6 Flashcards Preview

Earth and Space Science > Chapter 6 > Flashcards

Flashcards in Chapter 6 Deck (13):
1

Sedimentary rock

Small pieces of rock that are moved and deposited by water, wind, glaciers, and gravity

2

Lithification

The physical and chemical process that transform sediments into sedimentary rocks

3

Cementation

When minerals growth glues sediment grains together into solid rock

4

Bedding

Horizontal layering at the bottom of a rock

5

Clastic

The Greek word klastos, meaning broken

6

Evaporite

Layer of chemical sedimentary rocks

7

Porosity

The percentage of open spaces between grains in a rock

8

Foliated

Layers and bands of minerals

9

Nonfoliated

Minerals that form with blocky crystals shapes

10

Metamorphic Rock

Rocks that change form while remaining solid

11

Regional metamorphism

When temperature and pressure affect large regions earth’s crust

12

Contact metamorphism

When molten material comes in contact with a solid rock

13

Hydrothermal metamorphism

When very hot water reacts with rock alters its chemical and mineral composition