Geology Flashcards

1
Q

95.5 carat diamond in Smithsonian

A

Hope Diamond

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2
Q

“Mutton fat” nephrite

A

Jade

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3
Q

Kashmir Blue type of gem

A

Sapphire

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4
Q

Diamond material

A

Carbon

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5
Q

Deep black lignite

A

Jet

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6
Q

Large East Africa fault line

A

Great Rift Valley

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7
Q

Purple corundum

A

Sapphire

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8
Q

June birthstone

A

Pearl

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9
Q

Green Chalcedony spotted with red jasper

A

Bloodstone

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10
Q

Study of Earth’s physical properties

A

Geophysics

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11
Q

Ruby rating on Mhos scale

A

Nine

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12
Q

Cave ceiling fixtures

A

Stalactites

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13
Q

Reddish-brown gem

A

Garnet

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14
Q

Yellow or golden gem

A

Topaz

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15
Q

Star of India type of gem

A

Ruby

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16
Q

Dense rock formed from cooling lava

A

Basalt

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17
Q

Uranium and radium ore

A

Pitchblend

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18
Q

Southern super continent - 120 million years ago

A

Gongwana

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19
Q

September birthstone

A

Sapphire

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20
Q

Black organic gem

A

Jet

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21
Q

Current geologic era

A

Cenozoic (recent life)

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22
Q

December birthstone

A

Turquoise

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23
Q

Diamond in Titanic

A

Heart of the Ocean

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24
Q

Earth’s outer layer

A

Crust

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25
Q

Ancient super continent - 240 million years ago

A

Pangaea

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26
Q

Northern super continent - 120 million years ago

A

Lauasia

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27
Q

July birthstone

A

Ruby

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28
Q

Translucent gypsum

A

Alabaster

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29
Q

Large California fault line

A

San Andreas Fault

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30
Q

Current geologic epoch

A

Holocene

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31
Q

Most common igneous rock

A

Granite

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32
Q

Early geologic era

A

Paleozoic (ancient life)

33
Q

Earth’s layer below crust

A

Mantle

34
Q

Earth’s crust most abundant rock

A

Igneous

35
Q

March birthstone

A

Aquamarine

36
Q

Middle geologic era

A

Mesozoic (middle life)

37
Q

November birthstone

A

Topaz

38
Q

Red corundum

A

Ruby

39
Q

Hard coal

A

Anthracite

40
Q

Gem named after a tsarina

A

Alexandrite

41
Q

Tidal wave caused by an earthquake

A

Tsunami

42
Q

Mercury ore

A

Cinnabar

43
Q

Glass formed from cooling lava

A

Obsidian

44
Q

May birthstone

A

Emerald

45
Q

Copper ore

A

Cuprite

46
Q

April birthstone

A

Diamond

47
Q

Ocean surrounded by volcanic “ring of fire”

A

Pacific

48
Q

Course grain rock

A

Gneiss

49
Q

Stalactite and stalagmite combination

A

column

50
Q

Three types of rock

A

Igneous - sedimentary - metamorphic

51
Q

Purple quartz

A

Amethyst

52
Q

Lead ore

A

Galena

53
Q

Opaque blue or azure gemstone (sometimes flecked)

A

Lapis lazuli

54
Q

Scale measuring mineral hardness

A

Mhos scale

55
Q

February birthstone

A

Amethyst

56
Q

Fool’s gold

A

Iron Pyrite

57
Q

Scale measuring earthquake intensity

A

Richter scale

58
Q

Aluminum ore

A

Bauxite

59
Q

Large volcanic crater

A

Caldera

60
Q

Hard carbon

A

Diamond

61
Q

Brown coal

A

Lignite

62
Q

October birthstone

A

Opal

63
Q

Shale rock type

A

Sedimentary

64
Q

World’s hardest mineral

A

Diamond

65
Q

Study of rocks

A

Petrology

66
Q

Green beryl gem

A

Emerald

67
Q

Diamond rating on Mhos scale

A

Ten

68
Q

Soft igneous rock

A

Pumice

69
Q

Soft coal

A

Bituminous

70
Q

Gem found in Tanzania

A

Tanzanite

71
Q

Talc rating on Mhos scale

A

One

72
Q

January birthstone

A

Garnet

73
Q

Soft carbon

A

Graphite

74
Q

Earth’s energy

A

Geothermal

75
Q

Current geologic period

A

Quaternary

76
Q

Earth’s age

A

4.5 billion years

77
Q

Study of the motion of Earth’s plates

A

Tectonics

78
Q

Cave floor fixtures

A

Stalagmites

79
Q

August birthstone

A

Peridot