Sedimentary Rocks

Front 1

What are the names of the following sediment sizes:

1 Greater than 2 mm in diameter

2 2 1/16 mm in diameter

3 less than 1/16 mm in diameter

Back 1

Gravel

Sand

Mud

Front 2

What are the names of the following clastic sedimentary rocks:

Rounded fragments greater than 2 mm in diameter

Back 2

Conglamerates

Front 3

angular fragments greater than 2 mm

Back 3

Briccia

Front 4

2 1/16 mm

Back 4

sandstones

Front 5

less than 1/16mm and fissle

Back 5

shale

Front 6

less than 1/16 and breaks massively

Back 6

mudstone

Front 7

What rock is composed of CaCO3?

Back 7

Limestone

Front 8

What gives red beds, i.e., red sandstones and shales their red color?

Back 8

Iron Oxyde

Front 9

fluvial sediments are transported by?

Back 9

Streams

Front 10

Clastic sedimentary rocks form from:

Back 10

fragments of pre existing rocks

Front 11

The two main types of sediments are:

Back 11

Clastic

Chemicle

Front 12

What does the term clastic mean?

Back 12

Broken Fragments

Front 13

Continental sediments are those which are found: on the ocean floor, on land masses or both?

Back 13

Land Masses...desserts, lakes, streams, glaciers etc.

Front 14

Chemical sediments form by:

Back 14

Shallow lakes, lagoon evaporation, or precipitation from a solution

Front 15

The three main types of sedimentary environments are:

Back 15

Enviroments of deposition

Transitional or intermediate environments...deltas, lagoons, beaches

Continental Environments

Front 16

List two transitional environments:

Back 16

Lagoons

tidal Swamps

Deltas

Front 17

What is a chemnical sedimentary rock?

Back 17

deposited by precipitation of minerals from solution...rock salt as sea water evaporates

Front 18

What minerals might you find in a sandstone?

Back 18

Quartz

Front 19

Lithology means:

Back 19

Rock Type

Front 20

Clastic rocks with grain sizes greater than 2 mm in diameter are called:

Back 20

Conglomerate(rounded)

Breccia(angular)

Front 21

clastic rocks with grain sizes between 2 mm and 1/16 mm are called:

Back 21

Sand

Front 22

Clastic, fissle rocks with grain sizes less than 1/16 mm are called:

Back 22

shale

Front 23

Clastic rocks with grain sizes less than 1/16 mm that break massively are called:

Back 23

Mudstone

Front 24

What does the term fissle mean?

Back 24

Breaks along bedding planes

Front 25

cementation is the process by which sediments are formed into:

Back 25

clastic sedimentary rock

Front 26

The two most common types of chemical cements are:

Back 26

Calcite

Silicate

Front 27

Limestones are composed of what mineral? What chenmical compound?

Back 27

Calcium carbonate Ca CO3

Front 28

How does sand differ from sandstone?

Back 28

sandstone is formed by the cementation of sand grains.

Front 29

What is the chemical composition of chert?

Back 29

SI O2

Front 30

What is the composition of diatomaceous earth?

Back 30

diatmatic

Front 31

What is the chemical composition of halite

Back 31

NA C1

Front 32

What do chalk, coquina and travertine have in common?

Back 32

All limestone

Front 33

Eolian sediments are transported by:

Back 33

Wind

Front 34

Are the sediments in a shale visible to the eye?

Back 34

No

Front 35

What limestone is composed of banded calcite?

Back 35

Travertine

Front 36

Coquina is composed of:

Back 36

Broken polished shell fragments

Front 37

Diatomaceous earth is commonly used as a:

Back 37

filter

Front 38

Coral forms where organic matter acumulated in an environbment where the bottom water lacks:

Back 38

Oxygen

Front 39

What are salt domes and how do they form?

Back 39

Vertically rising collums of salt

Front 40

Salt domes have what economic value?

Back 40

Oil/gas

Front 41

What causes the black color in some shales?

Back 41

Lack of oxygen @ the bottom and organic matter