Sedimentary Rocks (Extra - Folks Basic and Textural Classification, Dunham Classification Flashcards

1
Q

Sparry calcite: Intraclasts

A

Intrasparite

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2
Q

Sparry calcite: Oolites

A

Oosparite

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3
Q

Sparry calcite: Fossils

A

Biosparite

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4
Q

Sparry calcite: Pellets

A

Pelsparite

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5
Q

Micrite matrix: Intraclasts

A

Intramicrite

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6
Q

Micrite matrix: Oolites

A

Oomicrite

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7
Q

Micrite matrix: Fossils

A

Biomicrite

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8
Q

Micrite matrix: Pellets

A

Pelmicrite

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9
Q

Microcrystalline calcite

A

Micrite

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10
Q

Microcrystalline spar

A

Dismicrite

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11
Q

Autochthonous reef rocks

A

Biolithite

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12
Q

2/3 Micrite Matrix with less than 1% allochems

A

Micrite

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13
Q

2/3 Micrite Matrix with 1-10% allochems

A

Fossilliferous biomicrite

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14
Q

2/3 Micrite Matrix with 10-50% allochems

A

Sparse biomicrite

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15
Q

2/3 Micrite Matrix with more than 50% allochems

A

Packed biomicrite

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16
Q

Subequal Micrite/Spar

A

Poorly Washed Biosparite

17
Q

2/3 of Spar Cement that has Poor Sorting

A

Unsorted Biosparite

18
Q

2/3 of Spar Cement that has Good Sorting

A

Sorted Biosparite

19
Q

2/3 of Spar Cement that has Rounded & Abraded

A

Rounded Biosparite

20
Q

Less than 10% mud supported stone

A

Mudstone

21
Q

More than 10% grains mud supported stone

A

Wackestone

22
Q

Grains supported stone

A

Packstone

23
Q

Lacks mud and is grain supported

A

Grainstone

24
Q

Matrix supported stone

A

Floatstone

25
Q

Supported by >2mm component

A

Rudstone

26
Q

3 Subdivisions of Boundstone

A

Bafflestone - baffles
Bindstone - encrust and bind
Framestone - rigid framework

27
Q

3 Subdivisions of Boundstone

A

Bafflestone - baffles
Bindstone - encrust and bind
Framestone - rigid framework

28
Q

Depositional texture that is not recognizable

A

Crystalline