Transcript Reveal It - Geol History2

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Ques. #1
How old is the Earth?
4.6 billion years
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Ans.
Ques. #2
What is the duration of the
Silurian period?
28 million years
Ans.
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Ques. #3
During which period did the
eurypterids become extinct?
Permian
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Ques. #4
How old are the oldest known
rocks?
About 4.2 billion years
Ans.
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Ques. #5
Why didn’t dinosaurs eat the
earliest grasses?
Grasses didn’t evolve until after
the dinosaurs were extinct.
Ans.
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Ques. #6
During which period of Earth
history did North America collide
with Avalon?
Devonian
Ans.
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Ques. #7
Name 2 characteristics of a good
index fossil.
Short lived and Widespread
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Ques. #8
Lichenaria, Cystiphyllum, and
Pleurodictyum are all...........
Corals
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Ques. #9
When did the Palisade sill intrude?
About 200 million years ago
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Ques. #10
When did extensive coal-forming
forests exist on Earth?
During the Pennsylvanian division of the Carboniferous
period or between 299 and 318 million years ago
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Ques. #11
Near which NYS city (pick one)
might there be fossils of the first
coral reefs?
Oswego, Watertown, Utica, Massena, Plattsburgh,or Albany
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Ques. #12
What was the duration of the
Phanerozoic eon?
542 million years
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Ques. #13
Why are there no fossils of the
earliest grasses in NYS?
Earliest grasses appeared during the Paleogene
period and there are no Paleogene rocks in NYS
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Ques. #14
During which period did the advance and
retreat of the last continental ice sheet
occur?
The Quaternary
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Ques. #15
About how many years were the
trilobites on Earth?
About 290 million years
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Ques. #16
When did the earliest stromatolites evolve?
About 3.3 billion years ago
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Ques. #17
How many years is
represented by time B?
11,400 years
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Ques. #18
Which is
the oldest
layer?
Grey limestone
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Ques. #19
What is the
half-life of
this element?
200 years
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Ques. #20
Which element
is uranium 238?
Element ‘B’
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Ques. #21
Put all the events
in order from oldest
to youngest.
D, C, B, E, fault, erosion of B & E, A
Ans.
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Ques. #22
The “stable decay
product shown in
the graph is probably
Nitrogen 14
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Ques. #23
Which element
has the longest
half life?
Element ‘D’
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Ques. #24
During which geologic era did
Pangaea begin to break up?
Mesozoic
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Ques. #25
Which column
contains the
youngest rock?
Column III
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Ques. #26
When did this become extinct?
359 million years ago?
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Ques. #27
Which city in New York State is on the oldest
bedrock? Old Forge, Syracuse, or Kingston?
Old Forge, NY
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Ques. #28
Near which NYS city might it be
possible to find mammoth bones in
the sediments?
Riverhead or New York City
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Ques. #29
What is the age (time period) of
the bedrock that makes up the
Allegheny Plateau?
Devonian
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Ques. #30
If a fossil contains 12.5% of it’s
original C14, how many half lives
have passed?
Three
Ans.
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YOU’RE A
WINNER!
The Neogene and the Ordovician are periods
of Earth history