GEOL 200 INTRODUCTORY PHYSICAL
GEOLOGY ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS
◉ Subduction zone.
Answer: plate convergence where ocean crust dives beneath
continental crust; compressional stress
◉ mid-ocean ridge.
Answer: plate divergence; tensional stress
◉ transform fault boundary.
Answer: plates slide past each other; shear stress
◉ amorphous solid.
Answer: solid with NO orderly arrangement of atoms
◉ crystalline solid.
Answer: solid with regular, repeating atomic structure
◉ mineral.
,Answer: crystalline, natural occurring, inorganic solid with a definite
chemical composition
◉ Steno's Law.
Answer: angle between equivalent faces of crystals of the same
mineral are always the same
◉ Silicates.
Answer: the most common mineral class in earth's crust
◉ silicate minerals.
Answer: quartz, feldspar, mica, olivine, amphibole, pyroxene, garnet
◉ non-silicate minerals.
Answer: hematite, calcite, fluorite, halite
◉ streak.
Answer: physical property that is the color produced by powdering a
mineral
◉ luster.
Answer: physical property describing the reflectivity of mineral
surface
, ◉ habit/form.
Answer: physical property described at the shape of a crystal
◉ flux melting.
Answer: type of melting occurring at a subduction zone
◉ decompression melting.
Answer: type of melting occurring at a divergent plate boundary
◉ plutonic structures.
Answer: batholiths, dikes, sills, laccoliths are collectively referred to
as ___.
◉ texture and composition (mineralogy).
Answer: igneous rocks are classified based on ____ and ____
◉ Phaneritic.
Answer: coarse grained igneous rock texture (1-10mm)
◉ aphanitic.
Answer: fine grained igneous rock texture (less than 1mm)
GEOLOGY ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS
◉ Subduction zone.
Answer: plate convergence where ocean crust dives beneath
continental crust; compressional stress
◉ mid-ocean ridge.
Answer: plate divergence; tensional stress
◉ transform fault boundary.
Answer: plates slide past each other; shear stress
◉ amorphous solid.
Answer: solid with NO orderly arrangement of atoms
◉ crystalline solid.
Answer: solid with regular, repeating atomic structure
◉ mineral.
,Answer: crystalline, natural occurring, inorganic solid with a definite
chemical composition
◉ Steno's Law.
Answer: angle between equivalent faces of crystals of the same
mineral are always the same
◉ Silicates.
Answer: the most common mineral class in earth's crust
◉ silicate minerals.
Answer: quartz, feldspar, mica, olivine, amphibole, pyroxene, garnet
◉ non-silicate minerals.
Answer: hematite, calcite, fluorite, halite
◉ streak.
Answer: physical property that is the color produced by powdering a
mineral
◉ luster.
Answer: physical property describing the reflectivity of mineral
surface
, ◉ habit/form.
Answer: physical property described at the shape of a crystal
◉ flux melting.
Answer: type of melting occurring at a subduction zone
◉ decompression melting.
Answer: type of melting occurring at a divergent plate boundary
◉ plutonic structures.
Answer: batholiths, dikes, sills, laccoliths are collectively referred to
as ___.
◉ texture and composition (mineralogy).
Answer: igneous rocks are classified based on ____ and ____
◉ Phaneritic.
Answer: coarse grained igneous rock texture (1-10mm)
◉ aphanitic.
Answer: fine grained igneous rock texture (less than 1mm)
