ESS 101 Midterm Exam – Questions With Verified
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Terms in this set (100)
As igneous rock partially e
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
The silicate mineral c
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
,Match the magma/lava a
type with the appropriate
geographic/tectonic
setting where it likely
formed: Columbia Plateau
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
Match the magma/lava d
type with the appropriate
geographic/tectonic
setting where it likely
formed: Asthenosphere
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
Match the magma/lava c
type with the appropriate
geographic/tectonic
setting where it likely
formed: Mount Fuji
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
,What kind of tectonic e
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)
Following differentiation c
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
The cause of volcanism b
observed in the Andes
Mountains (South America)
is most similar to that of
_____.
a. Yellowstone Park
b. Japan
c. the Columbia Plateau
d. Himalaya Mountains
e. the Hawaiian Islands
, What scientific d
observations of the solar
system indicate that the sun
and planets formed from a
rotating,
disk-shaped, nebular dust
cloud?
a. The planets all revolve in
a counter-clockwise
direction around the sun
b. Most of the planets and
their moons rotate on their
axis in a counter-clockwise
direction
c. The planetary orbits are
aligned along the sun's
equatorial plane.
d. all of the above answers
are correct
e. only answers a an b are
correct
What mineral group is a a
major economic source of
lead?
a. sulfide
b. halide
c. oxide
d. carbonate
e. silicate
The __________ mineral group d
is a major economic source
lime for cement.
a. sulfide
b. halide
c. oxide
d. carbonate
e. silicate
Answers
Save
Terms in this set (100)
As igneous rock partially e
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
The silicate mineral c
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
,Match the magma/lava a
type with the appropriate
geographic/tectonic
setting where it likely
formed: Columbia Plateau
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
Match the magma/lava d
type with the appropriate
geographic/tectonic
setting where it likely
formed: Asthenosphere
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
Match the magma/lava c
type with the appropriate
geographic/tectonic
setting where it likely
formed: Mount Fuji
a. basalt
b. granite
c. andesite
d. peridotite
e. rhyolite
,What kind of tectonic e
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)
Following differentiation c
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
The cause of volcanism b
observed in the Andes
Mountains (South America)
is most similar to that of
_____.
a. Yellowstone Park
b. Japan
c. the Columbia Plateau
d. Himalaya Mountains
e. the Hawaiian Islands
, What scientific d
observations of the solar
system indicate that the sun
and planets formed from a
rotating,
disk-shaped, nebular dust
cloud?
a. The planets all revolve in
a counter-clockwise
direction around the sun
b. Most of the planets and
their moons rotate on their
axis in a counter-clockwise
direction
c. The planetary orbits are
aligned along the sun's
equatorial plane.
d. all of the above answers
are correct
e. only answers a an b are
correct
What mineral group is a a
major economic source of
lead?
a. sulfide
b. halide
c. oxide
d. carbonate
e. silicate
The __________ mineral group d
is a major economic source
lime for cement.
a. sulfide
b. halide
c. oxide
d. carbonate
e. silicate
