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Question
What is slab pull?A) Cold oceanic lithosphere is pulled below warmer asthenosphere.
B) Cold continental lithosphere is pulled below warmer asthenosphere.
C) Cold continental lithosphere is pulled below warmer oceanic lithosphere.
D) Warmer oceanic lithosphere is pulled below colder asthenosphere.
Answer
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Related questions
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What kind of radioactive decay is present in this image?
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B) Beta decay
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Match the relative dating principles with the correct definition.
A) Missing time.
B) Faults, fractures are younger than the rocks they cut through.
C) Sedimentary layers/lava
D) The oldest is on the bottom, the youngest on top.
E) Rocks extend in all directions until they reach the edge of a basin or pinch out.
F) Chunks of weathered rock are older than the rock they are contained in.
1. Superposition
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3. Lateral Continuity
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5. Unconformities
6. Inclusions
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A detrital sedimentary rock can be radiometrically dated because the clasts formed at the same time as the rock.
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Hadean is an informal term used by many geologists to refer to the earliest interval of Earth's history.
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Carbon-14 dating is useful for paleontologists researching dinosaurs.
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By putting events in order, scientists can use the order to determine how long ago certain geologic events took place.
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B) Flexicalymene
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In what era is the Jurassic period?
A) Precambrian
B) Paleozoic
C) Mesozoic
D) Cenozoic
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What does "-zoic" in the eras of the geologic time scale refer to?
A) Life
B) Water
C) Rock
D) Fossilization
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Which era are we currently in?
A) Mesozoic
B) Precambrian
C) Paleozoic
D) Cenozoic
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What is the effective maximum range for carbon-14 dating?
A) 100,000 years
B) 70,000 years
C) 10,000 years
D) 13,000 years
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What is the half-life of potassium-40?
A) 1.3 billion years
B) 704 million years
C) 14.1 billion years
D) 4.5 billion years
Q:
You are an archaeologist researching artifacts left behind by Francisco Pizzaro's conquest of Peru in the 1530s. In order to confirm the authenticity of the leather artifacts, you are performing radiometric dating using an isotope pair that has a half-life of 250 years. In order for the artifacts to date back to the time of Pizzaro's conquest, approximately how much original radioactive isotope must be left in the artifacts?
A) 50%
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A) 25
B) 92
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What is an isotope?
A) An atom that has more or fewer neutrons than it should
B) An atom that has more or fewer electrons than it should
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What is stratigraphic correlation?
A) Dividing up rock layers into new ones based on mineral content
B) Matching up rocks of similar age in different regions
C) Putting events in order from first to last
D) Matching up continental coasts based on matching shapes
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________ is the scientific study of fossils.
A) Quaternary geology
B) Volcanology
C) Geomorphology
D) Paleontology
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A) basaltic
B) granitic
C) shale
D) obsidian
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Which of the following is a metamorphic facies?
A) Kaolinite
B) Staurolite
C) Eclogite
D) Quartzite
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________ is a widespread type of metamorphism typically associated with mountain building.
A) Pyrometamorphism
B) Burial metamorphism
C) Shock metamorphism
D) Regional metamorphism
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Generally speaking, how does the chemical composition of most metamorphic rocks compare to that of the parent rock?
A) Their chemical composition will be nearly the same.
B) In order to be a metamorphic rock, the chemical composition must change by 50 percent.
C) There will be a complete compositional change.
D) Knowing the chemical composition is not necessary to understand metamorphic rocks.
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Which of the following rocks represents the highest grade of metamorphism?
A) Biotite schist
B) Quartzite
C) Phyllite
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Which of the following is the parent rock of quartzite?
A) Limestone
B) Conglomerate
C) Granite
D) Sandstone
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What is the minimum depth at which subduction zone metamorphism will occur?
A) 0 km
B) 30 km
C) 25 km
D) 13 km
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What kind of metamorphism will occur if the environmental conditions are 400C and 5 kilobars?
A) Hydrothermal
B) Contact
C) Regional
D) Subduction zone