26 V2

Question 1

define rocks

Answer 1

a naturally forming containing minerals rock fragments and volcanic glass

Question 2

how are rocks identified

Answer 2

by their composite texture

Question 3

what does the texture of a rock describe about a rock

Answer 3

size shape and arrangement

Question 4

where do intrusive igneous rocks from

Answer 4

within the earths crust

Question 5

what type of molten rock does intrusive igneous rocks form from

Answer 5

magma

Question 6

what is the name of the series that illustrates simultaneous crystallization of silicate minerals

Answer 6

bowen´s reaction series

Question 7

what are 3 types of magma

Answer 7

mafic, intermediate felsic

Question 8

which magma type has a low silicate content

Answer 8

mafic

Question 9

which magma has a high silicate magma

Answer 9

felsic

Question 10

what type of crust has an abundant amount of quartz

Answer 10

oceanic crust deep continental

Question 11

which type of crust has a little to no quartz

Answer 11

oceanic

Question 12

which type of igneous rock has a coarse grained texture

Answer 12

intrusive

Question 13

which type of igneous rock has a fine grained texture

Answer 13

extrusive

Question 14

do fine grained rocks cool slowly or quickly

Answer 14

quickly

Question 15

what are the two species texture types for extrusive igneous rock

Answer 15

vesicular and porferetic

Question 16

which texture is the type with holes left behind because of rapid cooling

Answer 16

vesicular

Question 17

which texture is the type with two different crystal sizes because of different cooling rates

Answer 17

porferetic

Question 18

what type of rock has a vascular (holey) texture

Answer 18

pumice

Question 19

define clast

Answer 19

small rocks and other fragments

Question 20

`what types of erosion are rocks on earths surface exposed to

Answer 20

water wind and other forces

Question 21

what does it mean if clasts are being transported

Answer 21

changing the location of clasts they often become rounded

Question 22

what does it mean if clasts are being deposited

Answer 22

mechanical weathering breaks down rocks into clasts

Question 23

define pore space

Answer 23

empty space inbetween grains

Question 24

define compact

Answer 24

clasts stick together due to weight of overlying material

Question 25

define cementation

Answer 25

minerals crystallizing in the spaces between clasts

Question 26

how are sedimentary rocks form

Answer 26

through compaction and cementation

Question 27

what is another name for clasts

Answer 27

detrital

Question 28

what are sedimentary rocks called that are mostly made of clasts

Answer 28

detrital sedimentary rock

Question 29

what is the decreasing size of clasts

Answer 29

how it was transported

Question 30

which clast size would be deposited first

Answer 30

gravel sand silt or clay

Question 31

what are 4 common detrital sedimentary rocks

Answer 31

breccia sandstone siltstone and shale

Question 31

how are chemical sedimentary rocks formed

Answer 31

from water that contains dissolved solids

Question 32

if sedimentary rocks contain remains of living organisms what are they called

Answer 32

biochemical sedimentary rocks

Question 33

what are 2 common biochemical sedimentary rocks

Answer 33

coal and limestone

Question 34

what are 3 types of sedimentary rock

Answer 34

biochemical, chemical, and detrital

Question 35

metamorphic rock is changed by a combination of which 3 things

Answer 35

heat pressure or chemical reactions

Question 36

which types of rocks can be changes by metamorphism

Answer 36

igneous sedimentary or metamorphic

Question 37

what is it called when metamorphic changes in rocks occur over a large area

Answer 37

regional metamorphism

Question 38

what is it called when metamorphosis in a small area

Answer 38

contact

Question 39

when shale is compressed which type of metamorphic rock are

Answer 39

slate

Question 40

define foliated textures

Answer 40

foliate and non foliate

Question 40

define foliated textures

Answer 40

have crystals that are arranged

Question 41

define non foliated

Answer 41

have crystals with more random orientations

Question 42

metamorphic rocks are mainly classified based on which two things

Answer 42

composition and texture

Question 43

define rock cycle

Answer 43

continual change of rocks from one type of another

Question 44

what type of rocks form from pressure

Answer 44

metamorphic rock

Question 45

which type of rocks are part of the rock cycle

Answer 45

all rock type

Question 46

what are the three types of rocks

Answer 46

igneous, sedimentary and metamorphic

Question 47

which type of rocks form from molten rock

Answer 47

igneous

Question 48

which types of rock form from clasts, precipitation or compressed once living matter

Answer 48

sedimentary

Question 49

which types of rocks are formed from heat pressure and chemical reactions

Answer 49

metamorphic

Question 50

what can form from hot water evaporation or molten rock

Answer 50

minerals