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Easc 101 > Lab Proponent > Flashcards

Lab Proponent Flashcards

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1
Q

Identify this igneous rock

A

Peridotite, Phaneritic, ultra mafic, green rock made at high tempretures

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2
Q

Identify this mineral

A

Talc, slippery surface, sillicate, irregular fracture, hardness 2

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3
Q

Identify this mineral

A

Dolomite, no reaction with HCL unless powdered, harness 4, rhobohedral cleavage, carbonate, CaMg(CO3)2

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4
Q

Identify this mineral

A

Chalcopyrite, distinguished by their hardness. Chalcopyrite is a soft mineral that can be scratched by a nail, while pyrite is hard enough that a nail cannot dig into its surface, CuFeS2, Sulfide

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5
Q

Identify this igneous rock

A

Scoria, Rusty red ground mass with an aphanitic and vesicular texture, forms as an extrusion of cooling high temp lava

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6
Q

Identify this mineral

A

Sphalerite, browninsh orange streak, 6 cleavage planes, sulphide, ZnS

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7
Q

Identify this sedimentary rock

A

Shale, dull, reddish- brown, very fine grains (smooth to the touch), breaks easily. If an edge is dipped in water and drawn along a surface, shale will leave a muddy streak.

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8
Q

Identify this mineral

A

Galena,Its perfect cubic cleavage, metallic luster, lead-gray color, and relative softness readily distinguish galena from most other metallic minerals. Perhaps its most distinctive feature though, is its very high density, PbS, Sulfide

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9
Q

Identify this sedimentary rock

A

Quartz sandstone, coarse grained quartz sand with cross bedding, mycrocrystaline texture

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10
Q

Identify this igneous rock

A

Diorite, mainly made of amphibole, phaneritic and intermediate rock made from slow cooling of intermediate magma at a depth

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11
Q

Nonferrromagnesian silicates

A

Muscovite, K-Feldspar, Quartz

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12
Q

Identify this mineral

A

Biotite mica, hardness 2, basal cleavage, dark in colour, silicate

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13
Q

Identify this sedimentary rock

A

Lithic sandstone, Sandy texture, well sorted grains and grain size pretty uniform

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14
Q

Identify this metamorphic rock

A

Soap stone, Soapstone is soft and can be scratched with a fingernail. Polished and unpolished soapstone both offer a waxy, soap-like feel and a pearly or silky luster.

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15
Q

Metamorphic rocks

A

1)Slate
2)Gneiss
3)Quartzite
4)Marble
5)Schist
6)Soap stone
7)Phyllite

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16
Q

Identify this igneous rock

A

Rhyolite,Light pink/reddish ground mass, aphanitic and flesic. Forms from low temperature lava extrusions or shallow intrusions

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17
Q

Identify this mineral

A

Muscovite, hardness 2, basal cleavage, white or light in colour

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18
Q

Identify this metamorphic rock

A

Marble, Coarse texture, made of limestone and fizzles under acid, formed from both contact and regional metamorphisim

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19
Q

Sulphates

A

Gypsum, anhydrite

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20
Q

Identify this sedimentary rock

A

Arkose sandstone, coarse-grained enough that feldspar grains (which are usually rather angular) can be easily seen with the unaided eye, poorly sorted

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21
Q

Identify this sedimentary rock

A

Chert, the waxy luster, a conchoidal (shell-shaped) fracture of the silica mineral chalcedony that composes it, a hardness of seven on the Mohs scale, and a smooth (non-clastic) sedimentary texture.

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22
Q

Igneous rocks

A

1)Granite
2)Granodiorite
3)Basalt
4)Dacite
5)Rhyolite
6)Diorite
7)Peridotite
8)Scoria
9)Gabbro

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23
Q

Identify this metamorphic rock

A

Gneiss, Foliated, medium to coarse grain made of schist or phylite and formed from regional metamorphisim

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24
Q

Identify this mineral

A

Magnetite, heavy, magnetic, fracture, hardness 5.5-.5, black streak, oxide,Fe3O4

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25
Q

Carbonates

A

Calcite, dolomite

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26
Q

Identify this metamorphic rock

A

Phyllite has a marked fissility (a tendency to split into sheets or slabs) due to the parallel alignment of platy minerals; it may have a sheen on its surfaces due to tiny plates of micas. Its grain size is larger than that of slate but smaller than that of schist.

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27
Q

Identify this mineral

A

Pyrite, brassy metallic luster, black streak, brittle fracture, hardness greater than that of glass, absence of cleavage and it is nonmagnetic Fe2S, Sulfide

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28
Q

Identify this sedimentary rock

A

Chalk, Chalky texture, made of calcite, Carbonate mineral and will react with acid

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29
Q

Identify this mineral

A

Quartz, Hardness 7, fracture, SiO2, Non metallic

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30
Q

Identify this mineral

A

K feldspar, lack striations, 2 cleavage, 6-6.5 hardness,silicate,potassium feldspars commonly have pink to reddish hues

31
Q

Identify this igneous rock

A

Dacite, porphrytic texture, grey ground mass with ampibole crystals, felsic and formed from low temp lava

32
Q

Identify this igneous rock

A

Obsidian, volcanic glass formed from extremly quick cooling of lava

33
Q

Identify this igneous rock

A

Granodiorite, contains quarts, coarse grained and flesic, granodiorite contains more plagioclase (calcium and sodium) feldspar than potassium feldspar and has more dark minerals in it. Formed from slow cooling at low tempreture

34
Q

Identify this igneous rock

A

Pumice, comprised of tiny shards of volcanic glass, it is light weight and rough to the touch

35
Q

Identify this sedimentary rock

A

Oolithic sandstone, Well sorted, reacts with acid, a type of sedimentary rock, usually limestone, made up of ooids cemented together. An ooid is a small spherical grain that forms when a particle of sand or other nucleus is coated with concentric layers of calcite or other minerals. Ooids most often form in shallow, wave-agitated marine water.

36
Q

Identify this sedimentary rock

A

Micrite, Dense, uniform, fine grained rock with conchoidal fracture. Reacts with acid and is made of calcite.

37
Q

Identify this mineral

A

Halite,its distinctive taste, combined with its perfect cubic cleavage, low hardness, and the ease with which small fragments dissolve in water should make it easy to identify. NaCl, Halide

38
Q

Identify this igneous rock

A

Basalt, Fine grained dark mineral, mafic, formed from fast cooling of high temp lava

39
Q

Identify this sedimentary rock

A

Coal, is blocky and appears shiny and smooth when you first see it, but look closer and you might see it has thin, alternating, shiny and dull layers

40
Q

Identify this igneous rock

A

Granite, Felsic, contains quartz,feldspar, and biotite, coarse grained, formed from slow cooling at a low temp

41
Q

Identify this mineral

A

Fluorite, 4 cleavage planes, hardness 4,octahedral cleavage, halide, CaF2

42
Q

Sulfides

A

Galena, pyrite

43
Q

Halides

A

Halite, fluorite

44
Q

Ferromagnesian silicates

A

Biotite, olivine, pyroxene

45
Q

Identify this metamorphic rock

A

Schist, Foliated, made of mudstone,shale,slate or phyllite, black colour with garnets embedded, formed from regional metamorphsim

46
Q

Identify this mineral

A

Calcite, Rhombohedral cleavage, white streak, hardness 3, fizzles under acid, Carbonate, CaCo3

47
Q

Identify this metamorphic rock

A

Quartzite, NF, sandy texture, hardness 7, DOES NOT REACT WITH ACID, regional metamorphic and contact metamorphic

48
Q

Identify this mineral

A

Horneblend, hardness 5-6,black,. It tends to form slender prismatic to bladed crystals, diamond-shaped in cross section, or is present as irregular grains or fibrous masses.

49
Q

Identify this mineral

A

Pyroxene, pyroxenes have two cleavages at roughly 90,hardness between 5 and 7

50
Q

Identify this sedimentary rock

A

Conglomerate, Rock fragments that are gravel sized and poorly sorted

51
Q

Identify this mineral

A

Na feldspar, Striations, 2 cleavage, silicate

52
Q

Steps in identifying Minerals

A

1)Lustre
2)Streak
3)Hardness
4)Cleavage
5)MISC properties

53
Q

Identify this igneous rock

A

Porphyritic garbbo, phanertiic texture, mafic rock formed at a depth, larger grains than basalt

54
Q

Steps in identifying sedimentary rocks

A

1)Grain size
2)Composition

55
Q

Steps in identifying igneous rocks

A

1)Ground mass colour
2)Identifyiable minerals
3)Texture
4)Felsic, intermediate,mafic, ultra mafic

56
Q

Sedimentary rocks

A

1)Congolmerate
2)Quartz sandstone
3)Arkose sandstone
4)Lithic sandstone
5)Shale
7)Chalk
8)Oolitic limestone
9)Micrite
10)Coal
11)Chert

57
Q

Identify this metamorphic rock

A

Slate, fine grained, slaty cleavage, made of mudstone or shale, layered with a smooth texture and forms from regional metamorphisim

58
Q

Oxides

A

Hematite, magnetite, ice

59
Q

Identify this mineral

A

Gypsum, white earthy masses or as clear crystals. In crystal form, its softness and single perfect cleavage with two less well-developed cleavage directions usually serve to distinguish gypsum from other similar-looking minerals. Hardness 2, CaSO4, Sulphate

60
Q

Identify this mineral

A

Ca feldspar,possible striations, dark colour

61
Q

Steps in identifying metamorphic rocks

A

1)Foliated or nonfoliated
2)Grain size
3)Distinguishing charachteristics

62
Q

Identify this mineral

A

Hematite, When hematite is scratched on a rough surface, it leaves a reddish-brown streak,Fe2O3, Oxide

63
Q

Identify this mineral

A

Olivine, green and gemmy quality with small crystals, silicate, hardness 7. (Mg,Fe) 2SiO 4

64
Q

Quartz chemical formula

A

SiO2

65
Q

Calcite chemical formula

A

CaCo3

66
Q

Magnetite chemical formula

A

Fe3O4

67
Q

Olivine Chemical formula

A

Fe2SiO4

68
Q

Dolomite chemical formula

A

CaMg(Co3)2

69
Q

Sphalelite Chemical formula

A

ZnS

70
Q

Flourite Chemical formula

A

CaF2

71
Q

Galena Chemical formula

A

PbS

72
Q

Pyrite Chemical formula

A

FeS2

73
Q

Chalacopyrite Chemical formula

A

CuFeS2

74
Q

Gypsum Chemical formula

A

CaSO4

Easc 101 (8 decks)

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