Sedimentary Rocks

Question 1

Sedimentary Rocks form in what heat

Answer 1

<300 degrees

Question 2

Gravel size and what is it from

Answer 2

> 2mm - conglomerate

Question 3

Sand size and what is it from

Answer 3

> 1/16-2mm - Sandstone

Question 4

Silt size and what it is from

Answer 4

1/256-1/16mm - shale

Question 5

Clay size and what it is from

Answer 5

<1/256mm - shale

Question 6

Both Silt and clay are

Answer 6

Mud

Question 7

Lithification

Answer 7

Compaction- squishing

Question 8

Cementation

Answer 8

Filling open space with minerals

Question 9

Clastic or Detrital are from

Answer 9

Preexisting Rocks

Question 10

Non clastic- chemical

Answer 10

precipitate out of water

Question 11

Non clastic-chemical- precipitate out of water-

Answer 11

Evaporates are- Rock gypsum, Rock salt

Question 12

Evaporates- Mineral that makes up rock gypsum

Answer 12

gypsum

Question 13

Evaporates- Rock salt-

Answer 13

Halite

Question 14

Oolitic limestone-

Answer 14

rock gypsum-gypsum

Rock salt- Halite

Question 15

Evaporates

Answer 15

Chert

Question 16

Chert

Answer 16

Microcrystalline form of silica
Derives from tiny ocean animals
Often used for arrow heads

Question 17

Bio chemical

Answer 17

Plants or animals

Question 18

Bio chemical- plants or animals-

Answer 18

Fossiliferous limestone - made from calcite carbonate (CaCo3) acid - (Gas)

Question 19

Coquina

Answer 19

Oatmeal rock -made from calcite carbonate (CaCo3) acid - (Gas)

Question 20

Chalk

Answer 20

made from calcite carbonate (CaCo3) acid - (Gas)

Question 21

Bituminous coal-

Answer 21

Plants in alow- oxygen- swamp Deacay of plant material in a low oxygen environment such as a swamp.

Question 22

Limestone forms in-

Answer 22

everywhere but air

Question 23

Limestone nondules in soil are called

Answer 23

caliche

Question 24

Anything bigger then 2mm

Answer 24

is thought of as GRAVEL

Question 25

Limestone (CaCo3) plus magnesium -makes

Answer 25

CaMg(Co3)2 (dolostone)