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Lab Proponent Flashcards

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
Carbonates
Calcite, dolomite
26
Identify this metamorphic rock
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.
27
Identify this mineral
Pyrite, brassy metallic luster, black streak, brittle fracture, hardness greater than that of glass, absence of cleavage and it is nonmagnetic Fe2S, Sulfide
28
Identify this sedimentary rock
Chalk, Chalky texture, made of calcite, Carbonate mineral and will react with acid
29
Identify this mineral
Quartz, Hardness 7, fracture, SiO2, Non metallic
30
Identify this mineral
K feldspar, lack striations, 2 cleavage, 6-6.5 hardness,silicate,potassium feldspars commonly have pink to reddish hues
31
Identify this igneous rock
Dacite, porphrytic texture, grey ground mass with ampibole crystals, felsic and formed from low temp lava
32
Identify this igneous rock
Obsidian, volcanic glass formed from extremly quick cooling of lava
33
Identify this igneous rock
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
Identify this igneous rock
Pumice, comprised of tiny shards of volcanic glass, it is light weight and rough to the touch
35
Identify this sedimentary rock
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
Identify this sedimentary rock
Micrite, Dense, uniform, fine grained rock with conchoidal fracture. Reacts with acid and is made of calcite.
37
Identify this mineral
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
Identify this igneous rock
Basalt, Fine grained dark mineral, mafic, formed from fast cooling of high temp lava
39
Identify this sedimentary rock
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
Identify this igneous rock
Granite, Felsic, contains quartz,feldspar, and biotite, coarse grained, formed from slow cooling at a low temp
41
Identify this mineral
Fluorite, 4 cleavage planes, hardness 4,octahedral cleavage, halide, CaF2
42
Sulfides
Galena, pyrite
43
Halides
Halite, fluorite
44
Ferromagnesian silicates
Biotite, olivine, pyroxene
45
Identify this metamorphic rock
Schist, Foliated, made of mudstone,shale,slate or phyllite, black colour with garnets embedded, formed from regional metamorphsim
46
Identify this mineral
Calcite, Rhombohedral cleavage, white streak, hardness 3, fizzles under acid, Carbonate, CaCo3
47
Identify this metamorphic rock
Quartzite, NF, sandy texture, hardness 7, DOES NOT REACT WITH ACID, regional metamorphic and contact metamorphic
48
Identify this mineral
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
Identify this mineral
Pyroxene, pyroxenes have two cleavages at roughly 90,hardness between 5 and 7
50
Identify this sedimentary rock
Conglomerate, Rock fragments that are gravel sized and poorly sorted
51
Identify this mineral
Na feldspar, Striations, 2 cleavage, silicate
52
Steps in identifying Minerals
1)Lustre 2)Streak 3)Hardness 4)Cleavage 5)MISC properties
53
Identify this igneous rock
Porphyritic garbbo, phanertiic texture, mafic rock formed at a depth, larger grains than basalt
54
Steps in identifying sedimentary rocks
1)Grain size 2)Composition
55
Steps in identifying igneous rocks
1)Ground mass colour 2)Identifyiable minerals 3)Texture 4)Felsic, intermediate,mafic, ultra mafic
56
Sedimentary rocks
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
Identify this metamorphic rock
Slate, fine grained, slaty cleavage, made of mudstone or shale, layered with a smooth texture and forms from regional metamorphisim
58
Oxides
Hematite, magnetite, ice
59
Identify this mineral
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
Identify this mineral
Ca feldspar,possible striations, dark colour
61
Steps in identifying metamorphic rocks
1)Foliated or nonfoliated 2)Grain size 3)Distinguishing charachteristics
62
Identify this mineral
Hematite, When hematite is scratched on a rough surface, it leaves a reddish-brown streak,Fe2O3, Oxide
63
Identify this mineral
Olivine, green and gemmy quality with small crystals, silicate, hardness 7. (Mg,Fe) 2SiO 4
64
Quartz chemical formula
SiO2
65
Calcite chemical formula
CaCo3
66
Magnetite chemical formula
Fe3O4
67
Olivine Chemical formula
Fe2SiO4
68
Dolomite chemical formula
CaMg(Co3)2
69
Sphalelite Chemical formula
ZnS
70
Flourite Chemical formula
CaF2
71
Galena Chemical formula
PbS
72
Pyrite Chemical formula
FeS2
73
Chalacopyrite Chemical formula
CuFeS2
74
Gypsum Chemical formula
CaSO4

Easc 101 (8 decks)

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