Vocab 7

Question 1

Cobbles

Answer 1

Clasts of 64-256mm

Question 2

Agate, Onyx, opal

Answer 2

Real pretty silica precipitated rocks with gem like quality

Question 3

Aqueous Solution

Answer 3

When minerals dissolve to form ions in water

Question 4

Arenite

Answer 4

Word synonymous with sandstone

Question 5

Argillaceous Sandstone

Answer 5

Sandstone containing silt and/or clay

Question 6

Arkosic Sandstone

Answer 6

Sandstone abundant in pink felspar grains

Question 7

Bed

Answer 7

A sedimentary layer 1 cm or more in thickness

Question 8

Bioclasts

Answer 8

Rock that results from once living small organisms

Question 9

Bituminous

Answer 9

Created with more pressure and compaction of lignite

Question 10

Boulders

Answer 10

Clasts greater than 256 mm

Question 11

Carbonate Rock

Answer 11

Sedimentary rock that formed by primarily calcite

Question 12

Cementation

Answer 12

Process where water and pore spaces of sedimentary rocks glues the clast together

Question 13

Chert

Answer 13

Fine grain nodule or bedded, sedimentary rock, composed of quartz or chalcedony

Question 14

Clastic Rock

Answer 14

Rock that results from the clasts

Question 15

Clastic sediments

Answer 15

Term used for sedimentary grains that have been transported and deposited

Question 16

Compaction

Answer 16

When the weight of overlying rock compresses and reduces pore space and rock

Question 17

Conglomerate

Answer 17

Sedimentary rock composed of gravel size grains

Question 18

Coquina

Answer 18

Rock composed almost entirely a broken shell fragments

Question 19

Diagenetic Changes

Answer 19

Occur to a rock at low temperatures and pressures not long after deposition and burial

Question 20

Dolomite

Answer 20

A form of limestone that can also be called dolostone

Question 21

Dolostone

Answer 21

A form of limestone that can also be called dolomite

Question 22

Evaporites

Answer 22

Any mineral or rock that forms when water dries up

Question 23

Fissility

Answer 23

The ability to break along irregular approximately parallel surfaces

Question 24

Fossiliferous Sandstone

Answer 24

Sandstone which preserved plants or animals

Question 25

Geyserite

Answer 25

Microcrystalline quartz precipitated rock associated with Hot Springs and Yellowstone National Park

Question 26

Granules

Answer 26

Clasts of 2 to 4 mm

Question 27

Jasper

Answer 27

Quartz rich, red form of chert

Question 28

Kerogen

Answer 28

Solid mixture of carbon bearing chemical compounds that originated from living organisms

Question 29

Lamina

Answer 29

A sedimentary layer less than 1 cm in thickness

Question 30

Lignite

Answer 30

Lowest grade of coal

Question 31

Limestone

Answer 31

The most common carbonate rock usually consists of bioclasts

Question 32

Lithic sandstone

Answer 32

Sandstone that consists of abundant rock fragments

Question 33

Lithified

Answer 33

The end result of compaction and cementation

Question 34

Matrix

Answer 34

Smaller grains and a mixed sedimentary rock similar to groundmass

Question 35

Micrite

Answer 35

Word for calcite rich mudstone

Question 36

Ooids

Answer 36

Little round precipitated pieces of calcite

Question 37

Oxidation

Answer 37

Chemical process were oxygen combines with metal

Question 38

Peat

Answer 38

Partialy decay vegetation form of pre coal

Question 39

Pebbles

Answer 39

Clasts of 4– 64 mm

Question 40

Peloids

Answer 40

Standard size carbonate grains

Question 41

Pisolites

Answer 41

Round carbonate grains that are bigger than ooids and >2mm

Question 42

Playa lake

Answer 42

Salty body of water in a desert region that produces evaporate minerals

Question 43

Radiolaria/diatoms

Answer 43

Single celled organisms with silica rich skeletons that die and form chert

Question 44

Rudite

Answer 44

Word synonymous with conglomerate

Question 45

Sediments

Answer 45

Mineral grains eroded from older rock, tephra from volcanoes, or dead organisms

Question 46

Siliceous Rock

Answer 46

Sedimentary rock formed from minerals, like quartz, clay, feldspar and mica

Question 47

Source area

Answer 47

Place where sediments originate

Question 48

Travertine

Answer 48

Rock formed by the precipitation of calcite from a hot spring, like mammoth, Yellowstone National Park

Question 49

Tufa

Answer 49

Less than form of travertine

Question 50

Volcaniclastic

Answer 50

Sedimentary rock formed by tephra

Question 51

Weathering

Answer 51

Any chemical or physical process that breaks down rock

Question 52

Tephra

Answer 52

Sediment from volcanoes