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Geology Lab > Sedimentary, Igneous, Metamorphic Rocks > Flashcards

Sedimentary, Igneous, Metamorphic Rocks Flashcards

1
Q

Sedimentary Categories

A

Detrital, Biochemical, Mineral Crystals

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2
Q

Detrital (sedimentary)

A

Breccia

Conglomerate

Quartz Sandstone

Arkose

Greywacke

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3
Q

Breccia

A

huge angular gravel

(detrital sedimentary)

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4
Q

Conglomerate

A

large subround gravel

(detrital sedimentary)

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5
Q

Quartz Sandstone

A

fine grain, sandy rough, light tan/white

(detrital sedimentary)

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6
Q

Greywacke

A

dark grey fine grain

(detrital sedimentary)

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7
Q

Biochemical

(sedimentary)

A

Chalk

Fossiliferous Limestone

Coquina

Carbon Shale

Bituminous Coal

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8
Q

Chalk

A

soft, powdery, white

(biochem sediment)

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9
Q

Fossiliferous Limestone

A

visible fossils, tan/grey

(biochem sediment)

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10
Q

Coquina

A

Sandsized shell fragments stuck together

(biochem sediment)

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11
Q

Carbon Shale

A

leaf fossils in dark grey/black flat, precursor to slate

(biochem sediment)

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12
Q

Bituminous Coal

A

shiny black rough edges

(biochem sediment)

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13
Q

Mineral Crystals

(sedimentary)

A

Travertine

Dolostone

Rock Gypsum

Chert

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14
Q

Travertine

A

orange, red, white, maroon, porous with white crystal growth inside

(mineral sediment)

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15
Q

Dolostone

A

95% white, black shiny specks, rusty veins

(mineral sedment)

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16
Q

Rock Gypsum

A

white, rounded, finger scratch

(mineral sediment)

17
Q

Chert

A

scratches glass, light grey, angled sharp edges that are curved

18
Q

Igneous Rock Categories

A

Vesicular

Aphanitic

Phenocryst in Aphanitic

Phaneritic

Pegmatic

Glassy

19
Q

Vesicular

(Igneous)

A

Scoria

Vesicular Basalt

Pumice

20
Q

Scoria

A

dark red

(vesicular igneous)

21
Q

Vesicular Basalt

A

dark grey

(vesicular igneous)

22
Q

Pumice

A

light grey/white

(vesicular igneous)

23
Q

Aphanitic

(Igneous)

A

Rhyolite

Andesite

Basalt

24
Q

Rhyolite

A

light salmon earthy luster

(aphanitic igneous)

25
Q

Andesite

A

waves of rust, dark grey, purple; dusty along cut edge

(aphanitic igneous)

26
Q

Basalt

A

very dark grey

(aphanitic igneous)

27
Q

Phenocryst in Aphanitic

A

Porphyritic Andesite

Porphyritic Basalt

28
Q

Porphyritic Andesite

A

black crystals in dark grey earthy OR white in dark green/grey

(pheno in aphanitic igneous)

29
Q

Porphyritic Basalt

A

white cubes in dark grey

(pheno in aphanitic igneous)

30
Q

Phaneritic

(Igneous)

A

Granite

Diorite

Gabbro

Peridotite

31
Q

Granite

A

quartz crystal + white or pink

(phan igneous)

32
Q

Diorite

A

mostly dark plus white mix

(phan igneous)

Geology Lab (3 decks)

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