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Science > Geologic timescale > Flashcards

Geologic timescale Flashcards

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1
Q

name the four Eons in the timescale from oldest to youngest

A

Youngest:

Phanerozoic

Proterozoic

Archean

Hadean

Oldest:

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2
Q

Name the three eras in the Phanerozoic eon

A

Oldest:

Paleozoic

Mesozoic

Cenozoic

Youngest”

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3
Q

**Treptichnus pedum **seperated these two periods

A

Ediacaran & Cambrian periods

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4
Q

Periods in the Paleozoic era

A

Youngest:

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Oldest:

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5
Q

the Furongian epoch is in

A

Cambrian period

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6
Q

the Terreneuvian epoch is in the

A

Cambrian epoch

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7
Q

Pannotia was a supercontinent that broke up in this period

A

Cambrian

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8
Q

Pannotia broke up into

A

Laurentia, Siberia, Baltica, and Gondwana

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9
Q

the Maotianshan shales are from this period

A

Cambrian

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10
Q

these are sedimentary desposits with really good preservation

A

Lagerstatte

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11
Q

the Hunsruck slates are from

A

Devonian period

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12
Q

the Gogo formation are from the

A

Devonian period

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13
Q

the Mazon creek lagerstatte is from

A

Carboniferous Period

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14
Q

the Solnhofen limestone is from

A

Jurassic period

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15
Q

the Yixian formation is from

A

cretaceous period

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16
Q

Solnhofen limestone is to especially contain this fossil

A

Archaeopteryx

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17
Q

the Tommotian age was in

A

Cambrian period

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18
Q

Adam Sedgwick named this

A

Cambrian PEriod(for Wales)

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19
Q

Charles Lapworth found this period

A

Ordovician Period

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20
Q

Tremadoc age is in

A

Orodovician

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21
Q

Arenig age is in

A

Orodovician

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22
Q

Llanvirn age is in

A

Orodovician

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23
Q

Llandeilo age is in

A

Orodovician

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24
Q

Caradoc age is in

A

Orodovician

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25
Q

Ashgill age is in

A

Orodovician

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26
Q

Gondwanaland was at the south pole during

A

Orodovician

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27
Q

At end of this period, a lot of marine life died

A

Orodovician

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28
Q

Vertebrates first showed up during

A

Orodovician

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29
Q

Plants on land first showed up during

A

Orodovician

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30
Q

a lot trilobite, conodont, bryophytes and graptolite families diversified during

A

Ordovician

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31
Q

named after a Celtic tribe

A

Ordovician

Silurian

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32
Q

the Pacific ocean was created from

A

Panthalassa (Pathalassic ocean)

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33
Q

Ocean that surrounded pangaea

A

Panthalassa

34
Q

Ocean in Paleozoic Period Between Baltica, Laurentia, and Avalonia

A

Iapetus ocean

35
Q

Mesozoic era ocean between Laurasia and Gondwana

A

Tethys ocean

36
Q

These two guys disputed the difference between these two period

A

Adam Sedgwick-Cambrian

Murchison- Silurian

37
Q

the Ireviken event occured during then, where over 50% of trilobite species and 80% of the global conodont species become extinct

A

Silurian

38
Q

Mulde event, where ocean level dropped, was during

A

Silurian

39
Q

Lau event was during, and ocean level dropped.

A

Silurian

40
Q

Top 5 extinction events

A
  1. Cretaceous–Paleogene extinction event
  2. Triassic–Jurassic extinction event
  3. Permian–Triassic extinction event
  4. Late Devonian extinction
  5. Ordovician–Silurian extinction event
41
Q

when vascular plants first emerged on land

A

Silurian

42
Q

Llandovery group is in

A

Silurian

43
Q

Wenlock group is during

A

Silurian

44
Q

Ludlow period is during

A

Silurian

45
Q

Pridoli epoch is during

A

Silurian

46
Q

Coral reefs first showed up and exploded during

A

Silurian

47
Q

the Hangenberg event was during then

A

Devonian Period

48
Q

first tetrapods appeared during the

A

Devonian

49
Q

the Lochkovian stage is in

A

Devonian period

50
Q

the Rhynie chert laggerstatten was in

A

Devonian

51
Q

the Pragian epoch was in

A

Devonian Period

52
Q

the Famennian subdivision is in

A

Devonian Period

53
Q

Frasnian sudivision is in

A

Devonian period

54
Q

armoured placoderms disappear during

A

Devonian

55
Q

first tetrapods appear during

A

Devonian period

56
Q

the Hangenberg event was between

A

Devonian and Carboniferous

57
Q

Hunsruck fauna was in

A

the Devonian

58
Q

fish diversified during the

A

Devonian period

59
Q

all trilobites died off during the

A

Devonian period

60
Q

Gondwanaland moved up from the south pole during the

A

Devonian Period

61
Q

arthopods/insects became well established during

A

Devonian Period

62
Q

most oxygen present during the atmosphere was during

A

Carboniferous

63
Q

Tournaisian epoch is in

A

Carboniferous

64
Q

Viséan epoch is in

A

Carboniferous period

65
Q

Serpukhovain epoch is in

A

Carboniferous period

66
Q

the Bashkirian epoch is in

A

Carboniferous period

67
Q

the Moscovian period is in

A

Carboniferous period

68
Q

the Kasimovian epoch is during

A

Carboniferous Period

69
Q

Gzhelian period was during

A

Carboniferous period

70
Q

Romer’s Gap is in

A

Carboniferous period

71
Q

Gondwana and Laurasia collided during

A

Carboniferous

72
Q

Rheic and Ural ocean closed during the

A

Carboniferous

73
Q

the Alleghenian orogeny begun during the

A

Carboniferous period

74
Q

the Hercynian orogeny begun during the

A

Carboniferous period

75
Q

the Arthropleura was present duringh

A

Carboniferous

76
Q

Meganeura was alive during

A

Carboniferous period

77
Q

amniote egg was made during

A

Carboniferous period

78
Q

the largest mass extinction was between

A

Perian Period and Triassac

79
Q

first Epoch in it was the Cisuralian epoch

A

Permian period

80
Q

Guadalupian epoch was the second in

A

Permian period

81
Q

The Zechstein epoch(also known as?) was last in

A

( Lopingian, Tatarian epoch)

Permian Period

82
Q
A

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