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The Rock Cycle Flashcards | StudBud
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The Rock Cycle
The Rock Cycle
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Questions
15
Answers
1
As clasts move further from the parent rock they become:
smaller and smoother
larger and rougher
larger and darker in colour
larger and smoother
2
If several layers of rock have been laid down in a location, then ...
it must be igneous rock
the rock must have been moved by tectonic activity
the oldest layers are usually at the top
the oldest layers are usually at the bottom
3
Regional metamorphism involves ...?
Metamorphism at a local level on a small amount of rock
A large region of a tectonic plate being transformed
metamorphism that is only found in one region of the Earth
Entire moutanin ranges being eroded
4
Limestone .....
is made from calcium carbonate
is made from silicon dioxide
is made from marble
is made from quartz
5
What is shale?
a clastic sedimentary rock formed from limestone
an organic sedimentary rock formed from coal
a chemical sedimentary rock formed from salt
a clastic sedimentary rock formed from mud
6
If you find a fossil in a rock near the surface, it means that ...
you won't find that same fossil deeper down
the rock dates from when that fossil species was alive
the fossil must be very recent
the rock must have once been under the ocean
7
Contact metamorphism occurs when ...
rock is changed by heat from a nearby magma plume
sediments are cemented together into a new rock
sedimentary rock comes into contact with metamorphic rock
rock is melted back into the mantle
8
Volcanoes usually have ...?
a magma chamber, but no vents, which is why they erupt
a main vent, a secondary vent and a magma chamber underneath
a magma chamber that allows the extrusive rock to cool
a gas cloud and metamorphic rock
9
Pieces of rock that have been broken from the main rock by erosion are called:
erodibits
clasts
dongles
pebbles
10
Layers of rock are sometimes referred to as ...?
bifurcations
strata
fossils
clasts
11
What is plutonic rock?
extrusive igneous rock
intrusive igneous rock
metamorphic rock under extreme pressure
rock that came to Earth from the Dwarf planet Pluto
12
You can find fossils in which type of rock?
sedimentary and sometimes metamorphic
sedimentary and sometimes igneous
only in igneous rock
sedimentary only
13
The rock cycle is created by ...?
continual weathering of rocks
the Earth's internal heat
mountain ranges being eroded
the Earth's oceans
14
Igneous rock could be changed into sedimentary rock by which process(es)?
igneous rock can never be changed into sedimentary rock
melting
weathering and cementing
heat and pressure
15
Sandstone may form which type of metamorphic rock?
marble
quartzite
conglomerate
shale
