GEOL 488 Quiz 4 Dates & Locations

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45 Terms

1
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Age of Zuni megasequence

Mid-Jurassic to early Paleogene

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Age of Zuni 1

Jurassic

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Age of Zuni 2

Cretaceous

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Age of quiescence 

Lower Upper Cretaceous

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Age of rifting (Pangea breakup)

  • Initiates late Triassic (along with subduction in West)

  • Continues throu

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Location of rifting (Pangea breakup)

  • East N. American continent

  • Zuni megasequence

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Age of Newark basin

Triassic

<p>Triassic</p>
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Age of Tethys ocean

Jurassic (150 Ma) to Cretaceous (105 Ma)

<p>Jurassic (150 Ma) to Cretaceous (105 Ma)</p>
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Age of K-T Extinction Event

65 Ma

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Age of Precambrian SW U$ ore deposits

~1.7 to 1.1 Ga

<p>~1.7 to 1.1 Ga</p>
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Age of Late Proterozoic SW U$ ore deposits

~700 Ma

<p>~700 Ma</p>
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Age of Cambrian to Devonian SW U$ ore deposits

510 Ma-370 Ma

<p>510 Ma-370 Ma</p>
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Age of Late Devonian SW U$ ore deposits

~370 Ma

<p>~370 Ma</p>
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Age of Permo-Triassic SW U$ ore deposits

~240 Ma

<p>~240 Ma</p>
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Age of Jurassic SW U$ ore deposits

~170 Ma

<p>~170 Ma</p>
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Age of Mid-Cretaceous SW U$ ore deposits

~90 Ma

<p>~90 Ma</p>
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Age of Early Paleogene SW U$ ore deposits

Paleocene-Eocene → 70-40 Ma

<p>Paleocene-Eocene → 70-40 Ma</p>
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Age of Eocene to Miocene SW U$ ore deposits

~40-16 Ma

<p>~40-16 Ma</p>
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Age of Miocene SW U$ ore deposits

~16-6 Ma

<p>~16-6 Ma</p>
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Age of Pliocene to present SW U$ ore deposits

~6 Ma—present

<p>~6 Ma—present</p>
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Age when pelagic chalk evolved

Devonian

<p>Devonian</p>
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Age when pelagic chalk became abundant

Jurassic

<p>Jurassic</p>
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Age of dinoflagellates

Permian and younger

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Age of diatoms

Cretaceous & younger

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Age of radiolarians 

Cambrian & younger

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Age of coccoliths

Jurassic & younger

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Age of planktic forams

Cretaceous & younger

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Age of Tejas megasequence

Beginning Paleocene-End Oligocene

<p>Beginning Paleocene-End Oligocene</p>
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Age of Tejas marine incursion in Sverdrup basin

~60-50 Ma

<p>~60-50 Ma</p>
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Age of Eurekan orogeny

53-34 Ma

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Location of Green River Basin (Tejas megasequence)

Wyoming

<p>Wyoming</p>
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Age of Green River Basin (Tejas megasequence)

53-47 Ma

<p>53-47 Ma</p>
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Location of Great Valley (Tejas megasequence)

Now California

<p>Now California</p>
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Age pre-collision: ophiolite obduction of Himalaya evolution

70-60 Ma

<p>70-60 Ma</p>
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Age of continental collision— Himalaya evolution

~52 Ma

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Age of collision evolution— Himalaya evolution

~35 Ma-present

<p>~35 Ma-present</p>
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Age of Nuptse leucogranite

~20 Ma

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Age of continued collision evolution— Himalaya evolution

~30 Ma-present

<p>~30 Ma-present</p>
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Age of Tejas II megasequence

~23 Ma-2.58 Ma (Beginning Miocene-End Pliocene)

<p>~23 Ma-2.58 Ma (Beginning Miocene-End Pliocene)</p>
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Age of Tethys ocean

Began in Cretaceous, ended in Miocene

<p>Began in Cretaceous, ended in Miocene</p>
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Age of closing the isthmus of Panama

~3 Ma

<p>~3 Ma</p>
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Age of the Last Glacial Maximum

18,000 years ago

<p>18,000 years ago</p>
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Age of megalodon extinction

~2 Ma

<p>~2 Ma</p>
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Age of Holocene extinction

~12,000 years ago

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Age of deglaciation

8400 years before present