2.3 Sedimentary Rock Flashcards

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1
Q

grains of sand compacted and cemented together to form rock

A

sandstone

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2
Q

a rock that forms when when rock or mineral fragments, called clasts, are cemented together

A

clastic sedimentary rock

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3
Q

rock or mineral fragments

A

clasts

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4
Q

rock that forms when minerals crystallize out of a solution, such as sea water, to become a rock

A

chemical sedimentary rock

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5
Q

rock that forms from the remains of once-living plants and animals

A

organic sedimentary rock

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6
Q

the remains or physical evidence of an organism preserved by geological processes

A

fossils

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7
Q

skeletons of tiny organisms

A

coral

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8
Q

huge colonies that coral lives in

A

reefs

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9
Q

sedimentary rock that forms underground when partially decomposed plant material is buried beneath sediment and is changed into coal by heat and pressure

A

coal

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10
Q

limestone made from the calcium carbonate from skeletons and shells of sea creatures

A

fossiliferous limestone

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11
Q

the markings on sedimentary rocks that record the wave motion of wind or water

A

ripple marks

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12
Q

the structures that form when fine-grained sediments at the bottom of a shallow body of water are exposed to the air and dry out

A

mud cracks

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13
Q

layer(s) of rock

A

strata

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14
Q

the process in which sedimentary rocks are arranged in layers

A

startification

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15
Q

eroded rock material

A

sediment

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