Chapter 30&31 Questions Flashcards Preview

Science > Chapter 30&31 Questions > Flashcards

Flashcards in Chapter 30&31 Questions Deck (17)
1

What are the three types of rock?

Igneous, sedimentary, metamorphic

2

What are the 3 types of volcanoes?

Shield cones, cinder cones, composite cones

3

What are the clastic sedimentary rocks?

Shale, sandstone, conglomerate

4

What are the three types of foliated metamorphic rock?

Slate, schist, gneiss

5

What are the types of nonfoliated metamorphic rocks?

Marble, quartzite

6

What created the rock cycle?

Weathering, erosion, deposition, and metamorphism

7

Silver has a density of 10.5 g/cm 3. What is its specific gravity?

10.5g

8

What is the relationship between density and specific gravity?

They are equal.

9

What are the two most abundant elements in the earths crust?

Oxygen, silicon

10

What are the two most abundant minerals in the earths crust?

Silicates, oxides

11

What is partial melting?

The incomplete melting of rocks, resulting in magma a of different compositions.

12

What are the two most common igneous rocks and where do they generally occur?

Granite and andestite in the continents. Basalt on the ocean floor.

13

What percentage of the earths crust is composed of igneous rock?

95%

14

What volcanoes produces the most violent and quietest eruptions?

Violent- composite
Quiet- shield

15

What are three common types of plutons?

Dike, sill, batholiths, laccoliths

16

What type of rock is made of pre existing rock whose formation does not involve high temperatures and pressure?

Clastic sedimentary rock

17

What are the five groups of minerals that make up most rock types?

Silicates, oxides, carbonate, Sulfides, sulfate