ch 26.3

Question 1

Define clasts

Answer 1

small rock and mineral fragments

Question 2

what types of erosion are rocks on earths surface exposed to

Answer 2

water wind and other forces

Question 3

what does it mean if clasts are being transported

Question 4

what does it mean if clasts are being deposited

Question 5

define pore space

Answer 5

the empty space between grains

Question 6

define compaction

Answer 6

process by which clasts stick together due to the weight of overlying material

Question 7

define cementation

Answer 7

Minerals precipitate slowly out of a water solution and crystallize in the spaces
between clasts

Question 8

how are sedimentary rocks formed

Answer 8

clasts being compacted and cemented together

Question 9

what is another name for clasts

Answer 9

detritus

Question 10

what are sedimentary rocks called that are mostly made of clasts

Answer 10

detrital sedimentary

rock

Question 11

what is the decreasing size of clasts

Answer 11

gravel sand silt and clay

Question 12

which clast size would be deposited first

Answer 12

gravel

Question 13

what are 4 common detrital sedimentary rocks

Answer 13

breccia sandstone siltstone shale

Question 14

how are chemical sedimentary rocks formed

Answer 14

from water that contains disolved solids

Question 15

what are sedimentary rocks that contain living organisms called

Answer 15

biochemical sedimentary rocks

Question 16

what are 2 common biochemical sedimentary rocks

Answer 16

limestone and coal

Question 17

what are 3 types of sedimentary rocks

Answer 17

sandstone, shale and limestone