GEOL 1 - Rock Review

What is the texture of a rock?

• The size and composition of the minerals

• The shape and size of the minerals.

• The shape and composition of the minerals

• The color and size of the minerals

How are igneous rocks classified?

• By composition and texture

• By color and composition

• By texture and mineral size

• By mineral shape and size

Volcanic/extrusive igneous rocks...

• cooled slowly underground and have large crystals.

• cooled slowly underground and have small crystals.

• cooled fast above the surface and have large crystals.

• cooled fast above the surface and have small crystals.

How are detrital sedimentray rocks identified?

• By composition

• By particle size

• By color

• By texture

How are chemical sedimentary rocks identified?

• By composition

• By particle size

• By color

• By texture

Which of the following is a process of chemical weathering?

• Sheeting

• Frost wedging

• Dissolution

• Salt crystal growth

What is the most common weathering product of hydrolysis?

• Rust

• Quartz

• Limonite

• Clay minerals

The organic sedimentary rock coal indicates a

• swamp environment

• shallow marine environment

• beach environment

• a lake environment

How are metamorphic rocks classified?

• By mineral size and shape

• By color and composition

• By texture and composition

• By color and texture

Non-foliated metamorphic rocks form

• through regional metamorphism

• through contact metamorphism

• through hydrothermal metamorphism

• through burial metamorphism