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GLY2010 Test 2 Exam Study Set @
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GLY2010 Test 2 Exam Study Set@ 2024-2025
Which of the following features would indicate an igneous rockcooled quickly? - Answer
small mineral crystals
What distinguishes a felsic extrusive rock (rhyolite) from a felsic intrusive igneous rock
(granite)? - Answer crystal size
Where is the most likely location for molten rock to cool and minerals to form quickly? -
Answer at Earth's surface
The presence of large amounts of igneous rocks composed of small mineral crystals is
suggestive of what process occurring in the past? - Answer volcanic eruptions
Weathering that results in the transformation of one mineral into a different kind of
mineral is referred to as _____ weathering. - Answer chemical
Which is an example of chemical weathering? - Answer dissolving limestone by
rainwater
Biological sediment includes - Answer shells
Which assemblage of minerals would indicate the lowest weathering intensity? - Answer
quartz, feldspar, pyroxene, amphibole
As sediment is weathered and transported: - Answer angular grains become
rounded.feldspars are weathered to clay minerals.particle size becomes smaller due to
abrasion.quartz fraction increases as other minerals are winnowed out.
Well-rounded sediment suggests sediment has been____ - Answer transported a long
distance
well-sorted quartz sand clasts were most likely deposited: - Answer in a beach or dune
environment
he occurrence of conglomerate, sandstone, and mudstone with asymmetrical ripples,
mudcracks, and root traces suggest a ____ environment. - Answer river and floodplain
The occurrence of limestone and fossil coral suggest a _____ environment. - Answer reef
Through compaction and cementation, sediment particles: - Answer are squeezed
closer together. are bonded by new mineral growth. decrease in volume. decrease in
porosity.
Which rock type contains only very small (silt and clay) sediment grains? - Answer shale
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