Mineral Formation 1 And 2 Flashcards
1
Q
20 minerals that make up most of the rocks on earth surface
A
Rock forming minerals
2
Q
What provides clues to the rocks mineral composition?
A
Color
3
Q
Texture
A
The look and feel of the Rocks surface which is made up of partials of minerals or other fine rocks called grains
4
Q
3 things to identify grains
A
Grain shape, grain size, grain pattern
5
Q
What are the 3 main rock groups?
A
Igneous, sedimentary, and metamorphic
6
Q
Igneous
A
Created when magma or lava cools and crystalizes
7
Q
Sedimentary
A
Rock material that forms where rocks are broken down into smaller pieces or dissolved in water as rocks erode
8
Q
Metamorphic
A
Formed when existing rock is changed by heat, pressure, or chemical reactions
9
Q
Series of processes that change one type of rock into another
A
Rock cycle
