Types Of Rocks, etc.

Question 0

Igneous classification

Answer 0

Felsic, Mafic, ultramafic

Question 1

How does an igneous rock form

Answer 1

Crystallization of magma and pyro clastic material

Question 2

Intrusive

Answer 2

Solidification of magma within the crust at various levels

Question 3

Extrusive

Answer 3

Lava/magma extruded into the surface as lava flows

Question 4

8 most abundant elements in the earths crust

Answer 4

Oxygen, silicon, magnesium, aluminum, calcium, iron, sodium, potassium

Question 5

What’s a sediment

Answer 5

Fragments of pre-existing rocks/minerals

Question 6

Clastic vs. non clastic

Answer 6

Clastic: fragments of pre-existing rock

Non-clastic: forms from chemical reactions or organic remains

Question 7

3 types of sedimentary rocks

Answer 7

Clastic, chemical, and organic

Question 8

Three types of bedding

Answer 8

Bedding, cross bedding, graded bedding

Question 9

Metamorphic rock textures

Answer 9

Foliated and non foliated

Foliated: sort of swirly
Non foliated: platy or sheet like

Question 10

What is necessary to undergo metamorphism

Answer 10

Heat and pressure

Question 11

Which type of rock can become a metamorphic rock

Answer 11

Any rock can

Question 12

When the rocks are heated what happens

Answer 12

The minerals in the rocks undergo chemical change