بنك الاسئلة EPS 1ST 2011 212
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Q:1
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What is
Uniformitarianism?
(present is the key to
the past); same processes and principals that manage the natural changes on
the earth today have acted in the past producing similar changes.
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Q:2
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Principal of "super
position" said:
"in unreformed
sequence of sedimentary rocks the oldest are at base and the youngest are at
top"
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Q:3
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Compare nonconformity
and disconformity:
Nonconformity:
Sedimentary strata
overlaying igneous or metamorphic rocks (in an erosion not intrusive
contact).
Disconformity:
An irregular surface of
erosion between two units of parallel strata.
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Q:4
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What is the difference
between Relative dating and absolute dating?
Relative dating:
Placing rocks and
geological times in their actual order or sequence oldest to youngest.
Absolute dating:
The actual numerical age
of particular geological event
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Q:5
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Name two importance of
absolute dating.
1. Calibrating
geological time scale.
2. Recognize
geological history.
3. Confirms
the idea of geological time is huge.
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Q:6
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Name one theory
describing the origin of life.
1. "RNA
world"
2. "Iron-Sulfur
world"
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Q:7
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What is the composition
of the original atmosphere and how was stripped away?
Original atmosphere
composed of Helium and Hydrogen,
And stripped away by the
Solar Wind.
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Q:8
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When was the Maximum
Glacial, Holocene Thermal Maximum?
Maximum Glacial @
18000y. Holocene Thermal Maximum @ 6000y.
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Q:9
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Early Hadean crust made
up of?
It is Ultra-mafic rocks
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Q:10
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What are the six
contents recognized in the paleozoic?
The six continents are:
1. Gondwana
2. Laurentia
3. Baltica
4. Siberia
5. Kazakhstania
6. China.
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Q:11
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When was the major
mass-extinction in Mesozoic and name two main groups extinct?
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At 65mya.
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Dinosaurs
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Ammonites
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Q:12
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Trilobite and
Brachiopods appears in geological time in?
They appeared in Early
Cambrian.
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