ESS 101 Midterm Review – Questions With Step By
Step Solutions
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Terms in this set (40)
1. As igneous rock partially e. answers b and c are both correct
melts the magma is
typically __________.
a. more mafic (Fe-rich) than
the rock
b. more felsic (silica-rich)
than the rock
c. lower density than the
rock
d. answers a and c are both
correct
e. answers b and c are both
correct
,2. The silicate mineral c. 1:2.75
amphibole has 50% of its
silicate tetrahedra
possessing 3-shared
oxygen atoms and 1-
unshared and 50% of its
silicate tetrahedra
possessing 2-shared
oxygen atoms and 2-
unshared oxygen atoms.
What is the ratio of Si:O in
the tetrahedral structure of
this mineral?
a. 1:4
b. 1:3
c. 1:2.75
d. 1:2.5
e. 1:2
3-5 Match the magma/lava 3. Columbia Plateau - a. basalt
type with the appropriate 4. Asthenosphere - d. periodotite
geographic/tectonic 5. Mount Fuji - c. andesite
setting where it likely
formed.
3. Columbia Plateau
4. Asthenosphere
5. Mount Fuji, Japan
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
, 6. What kind of tectonic e. ancient collision margin (continent-continent)
setting is represented by
the Ural Mountains, which
separate Asia from Europe?
a. ancient divergent margin
b. ancient convergent
margin (ocean-continental
subduction)
c. ancient convergent
margin (ocean-ocean
subduction)
d. ancient hotspot
e. ancient collision margin
(continent-continent)
7. Following differentiation c. density of constituent matter
the Earth became
compositionally zoned
according to ________.
a. valency state of
constituent atoms
b. total volume of
constituent matter
c. density of constituent
matter
d. magnetic properties of
constituent matter
e. none of the above
answers are correct as the
earth is not compositionally
differentiated
Step Solutions
Save
Terms in this set (40)
1. As igneous rock partially e. answers b and c are both correct
melts the magma is
typically __________.
a. more mafic (Fe-rich) than
the rock
b. more felsic (silica-rich)
than the rock
c. lower density than the
rock
d. answers a and c are both
correct
e. answers b and c are both
correct
,2. The silicate mineral c. 1:2.75
amphibole has 50% of its
silicate tetrahedra
possessing 3-shared
oxygen atoms and 1-
unshared and 50% of its
silicate tetrahedra
possessing 2-shared
oxygen atoms and 2-
unshared oxygen atoms.
What is the ratio of Si:O in
the tetrahedral structure of
this mineral?
a. 1:4
b. 1:3
c. 1:2.75
d. 1:2.5
e. 1:2
3-5 Match the magma/lava 3. Columbia Plateau - a. basalt
type with the appropriate 4. Asthenosphere - d. periodotite
geographic/tectonic 5. Mount Fuji - c. andesite
setting where it likely
formed.
3. Columbia Plateau
4. Asthenosphere
5. Mount Fuji, Japan
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
, 6. What kind of tectonic e. ancient collision margin (continent-continent)
setting is represented by
the Ural Mountains, which
separate Asia from Europe?
a. ancient divergent margin
b. ancient convergent
margin (ocean-continental
subduction)
c. ancient convergent
margin (ocean-ocean
subduction)
d. ancient hotspot
e. ancient collision margin
(continent-continent)
7. Following differentiation c. density of constituent matter
the Earth became
compositionally zoned
according to ________.
a. valency state of
constituent atoms
b. total volume of
constituent matter
c. density of constituent
matter
d. magnetic properties of
constituent matter
e. none of the above
answers are correct as the
earth is not compositionally
differentiated