Rocks And Minerals

Question 0

How are igneous rocks formed? (Pg 6 esrt)

Answer 0

Solidification of magma

Question 1

Properties of minerals (pg 16 esrt)

Answer 1

Composition: elements it’s composed of

Use(s): what it’s used as

Distinguishing characteristics: traits of the mineral that tells it apart from the others

Fracture: does not break into flat, even layers

Cleavage: when it can break into flat layers

Luster: shine/ glittery like

Hardness: how hard the element is

Question 2

How are metamorphic rocks formed? (Pg 6 esrt)

Answer 2

Heat or pressure

Can cause banding

Question 3

How are sedimentary rocks formed? (Pg 6 esrt)

Answer 3

Deposition/burial —> compaction/cementation

Question 4

Felsic

Answer 4

Rich in Si, Al

Lighter color

Question 5

Mafic

Answer 5

Rich I’m Fe, Mg

Darker color

Question 6

Extrusive rock (volcanic)

Answer 6

Made outside of a volcano

Glassy , fine texture (can be vesicular)

Question 7

Intrusive (plutonic)

Answer 7

Made inside of a volcano

Touch texture, non vesicular

Question 8

Banding

Answer 8

Caused by heat a pressure; you can see the waves of color and layers compressed

Question 9

Mineral alignment

Answer 9

Minerals are aligned

Question 10

Regional

Answer 10

Pressure

Question 11

Contact

Answer 11

Heat

Question 12

Foliated

Answer 12

No mineral alignment or banding

Question 13

Glacial striations

Answer 13

scratches or grooves caused by rocks underneath moving glaciers

Question 14

Glacial erratics

Answer 14

When the size and type of rock is different from where it tests

Question 15

Faulting

Answer 15

A fracture on a rock or surface caused by the moving of the earth

Question 16

Bedding

Answer 16

At one time the bedrock was made of sedimentary (before metamorphism)