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College Geology > Lesson 6 Sedimentary Rocks > Flashcards

Lesson 6 Sedimentary Rocks Flashcards

1
Q

What are separate strata?

A

bedding planes

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2
Q

What are traces or remains of prehistoric life?

A

fossils

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3
Q

what clues are in sedimentary rocks?

A

clues of past environments

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4
Q

What are the most important inclusions?

A

fossils

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5
Q

What do sedimentary rocks form from?

A

sediment

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6
Q

What are the types of microcrystalline quartz?

A

chert
flint
jasper
agate

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7
Q

What o processes are in the lithification process?

A

compaction

cementation

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8
Q

What does precipitation through life processes contain?

A

a biochemical origin

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9
Q

What two processes are chemical rocks precipitated through?

A

physical processes

life processes

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10
Q

Study the chart for identification

A

!!!!!

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11
Q

What type of material is detrital rocks?

A

solid particles

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12
Q

What are the types of evaporites?

A

rock salt

gypsum

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13
Q

What is limestone primarily composed of?

A

calcite

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14
Q

What is the most abundant chemical rock/

A

limestone

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15
Q

What is lithification?

A

loose sediments are transformed into solid rock

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16
Q

What is reconstructed with sedimentary rocks?

A

earths history

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17
Q

Sedimentary rock is a source of what two minerals?

A

iron and aluminum

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18
Q

What is sediment?

A

weathered products

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19
Q

What rock is classified by particle size?

A

detrital

20
Q

What do these rocks often contain?

A

fossils

21
Q

How are shells or mineral crystals formed?

A

as water evaporates and minerals precipitate

22
Q

What is the most abundant detrital rock?

A

shale

23
Q

What percent out of all rock outcrops on the continents are sedimentary?

A

75%

24
Q

What are the chief constituents of detrital rock?

A

clay minerals and quartz

25
Q

What information do sedimentary rocks provide?

A

information about sediment transport

26
Q

what is the most characteristic feature?

A

strata or beds

27
Q

What are the types of coal?

A

lignite

bituminous

28
Q

What can fossils be used for involving rocks and places?

A

matching rocks from different places

29
Q

Rock _____and rock _____ are chemical rocks that form as water evaporates and triggers the deposition of chemical precipitates.

A

gypsum and salt

30
Q

What are the two groups of sedimentary rocks?

A

Detrital

Chemical

31
Q

What are the types of limestone?

A

coquina
chalk
travertine

32
Q

What are the three feature of sedimentary rocks?

A

strata or beds
bedding planes
fossils

33
Q

What are the common detrital rocks?

A

shale
sandstone
conglomerate
siltstone

34
Q

How does sedimentary rocks serve as economic importance?

A

Coal

Petroleum and natural gas

35
Q

What are some types of biological processes

A

shells or mineral crystals

36
Q

What type of material are chemical rocks derived from?

A

material that as once in a solution and precipitates to form sediment

37
Q

What can be used as a time indicator?

A

fossils

38
Q

What are soluble materials produced largely by chemical weathering that are precipitated by either inorganic or organic processes?

A

Chemical sediments

39
Q

Cementation occurs with the materials such as?

A

calcite
silica
iron oxide

40
Q

How are sedimentary rocks produced?

A

lithification

41
Q

What are microcrystalline quartz?

A

precipitated quartz

42
Q

_______ sedimentary rocks contain a variety of mineral and rock fragments?

A

Detrital

43
Q

What are the common chemical rocks?

A

limestone
microcrystalline quartz
evaporites
coal

44
Q

What are materials that originate and are transported as solid particles derived from weathering?

A

Detrital sediments

45
Q

What helps determine past environments?

A

fossils

College Geology (14 decks)

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