Ch 13

Question 0

Plutonic int and volcanic ext

Are part of

Answer 0

Igneous rocks

Question 1

Mafic
Dark colored
Low silica
Rock??

Answer 1

Basalt

Question 2

Most if the us is

Answer 2

Sedimentary

Question 3

Knowledge of earth is based on indirect evidence yet earth is said to have a dense inner core with 3 concentric layers of various compositions and density

Answer 3

Structure of earth
Inner/outer core
Mantle
Crust

Question 4

The uppermost lithosphere, rigid zone, a zone where rocks are so hot they lose strength and become plastic -easily deformed, tar like. The asthenosphere. Beneath is the lower “ rigid rocks again. (1,800) mi

Answer 4

Mantle

Question 5

Crust and upper most rigid zone of the mantle are part of the

Answer 5

Lithosphere

Question 6

The tectonic plates consisting of crust and upper rigid mantle

Answer 6

Lithosphere

Question 7

This is beneath the Moho, the largest if the shells 84% of earths volume, has 3 sub layers

Answer 7

Mantle

Question 8

Easily deformed weak sphere plastic layer. Underlies lithosphere. Very hot rock

Answer 8

Asthenosphere

Question 9

This is beneath the mantle (molten liquid) and the magnetic field is primarily generated here

Answer 9

Outer core

Question 10

The innermost portion of earth, very sense

Answer 10

Inner core

Question 11

Makes up 15% if earths volume out together

Answer 11

Inner and outer core

Question 12

Rock formed by solidification of molten magma, when magma cools

Answer 12

Igneous rock

Question 13

Molten materials in earths interior

Answer 13

Magma

Question 14

plutonic
Sedimentary
Volcanic
Metamorphic

Answer 14

Types of igneous rocks

Question 15

Cooling of lava Below the earths surface . Granite is the most common type

Answer 15

Plutonic intrusive

Question 16

High silica
Felic igneous rock
Light color

Answer 16

Granite (plutonic)

Question 17

Consolidation of deposited particles, rocks formed of sediment that is consolidated by the pressure and celebration . Distinct layers are called strata

Answer 17

Sedimentary rocks

Question 18

Molten rock ejected onto earths surface, solidifying quickly on open air most common basalt” - magic dark color low silica. Formed form the cooling of lava or bonding of pyroclastic materials in surface

Answer 18

Volcanic extrusive rocks

Question 19

Heat and pressure act on existing igneous and sedimentary rocks, this rock was originally something else either ig or sed but has been drastically changed by massive forces of heat and pressure working on it from within earth.

Answer 19

Metamorphic rock

Question 20

3 major rocks

Answer 20

Ig
Sed
Med

Question 21

Molten rock flows out onto earth

Answer 21

Lava

Question 22

Welding”” of tiny pieces of solid volcanic rock that have been explosive ejected out into the surface by a volcanic eruption.

Answer 22

Pyroclastics

Question 23

Rocks contain large portions of dark colored silicate minerals like quarts and feld spar

Answer 23

Magic

Question 24

Rocks contain large portions if light color silicate minerals such as olivine and pyroxene

Answer 24

Felsic

Question 25

Part of the lithosphere | Has a base of Moho, mohorivicic discontinuity. 3x thicker under continents than under oceans. Less 1% earths volume.

Answer 25

The crust

Question 26

Magma Lava Pyro classics Felsic rocks ""mafic ""rocks

Answer 26

Igneous rocks

Question 27

Small minerals, fins grained Dark colored generally Basalt most common Extensive selfloor bedrock

Answer 27

Volcanic

Question 28

``` Rock fragments Organic matter Transportation Deposition Stratification ```

Answer 28

Sedimentary

Question 29

Heat from mantle deforms rocks with heat and pressure

Answer 29

Metamorphic

Question 30

Boundary between earths crust and the mantle - a narrow zone with significant change in mineral decomposition.

Answer 30

Moho, mohorovicic discontinuity

Question 31

What are the three zones within the mantle

Answer 31

Lithosphere asthenosphere mesosphere

Question 32

Theory that proposed that the present continents were originally connected as one it two large land masses that have broken up and literally drifts apart over the last several million years

Answer 32

Continental drift

Question 33

A coherent theory of massive crustal rearrangement based on the movement of continent sized lithospheric plates

Answer 33

Plate tectonics

Question 34

Driving mechanism for plate tectonics within earths mantle | Plates move at varying rates from 1cm to 10cm per yr.

Answer 34

Convention cell