167 Exam 1 TAMU GEOL 101 Comprehensive Questions With Well Researched Answers|24 Pages
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Course
TAMU GEOL 101
Institution
TAMU GEOL 101
Why does a more felsic magma have a higher viscosity than a mafic magma at the same temperature? - ️️felsic magmas contain more silica tetrahedrons which can link together in the melt and resist flowing past one another
Which of the following describes sedimentary rocks? - ️️formed by lith...
Why does a more felsic magma have a higher viscosity than a mafic
magma at the same temperature? - ✔️✔️felsic magmas contain
more silica tetrahedrons which can link together in the melt and
resist flowing past one another
Which of the following describes sedimentary rocks? - ✔️✔️formed
by lithification of pre-existing rock
Which of the following do you think are constructive and which are
destructive mountain building processes?
Deformation
Partial melting
Faulting and folding
Glaciation
Erosion
Foliation
Sedimentation
Metamorphism - ✔️✔️Deformation - constructive
,Partial melting - constructive
Faulting and folding - constructive
Glaciation - destructive
Erosion - destructive
Foliation - constructive
Sedimentation - destructive
Metamorphism - constructive
Which of the following examples of cities experience the fast rate of
weathering of roads (formation of potholes) in the wintertime? - ✔️
✔️A city with nightly average low temperatures of 15 degrees F, and
average daytime highs of 40 degrees F.
Which of the following is not a category of sedimentary rocks? - ✔️
✔️Mechanical
Which of the following is the most important agent of
metamorphism? - ✔️✔️changes in temperature
Which of the following is the thickest sphere on Earth? - ✔️✔
️geosphere
, Which of the following is true of an ore mineral? - ✔️✔️any mineral
that contains enough of a valuable metal that it is economically
viable to mine.
Which of the following is true of fractures, joints and faults? - ✔️✔
️Faults and joints are types of fractures. The difference is faults show
displacement and joints do not.
Which of the following is true of sedimentary rocks? - ✔️✔️-
Sedimentary rocks are made of weathered and eroded bits of
preexisting rocks.
- Sedimentary rock classification includes clastic, organic, and
chemical types.
- Most of Earth's continents are covered in a thin veneer/layer of
sedimentary rocks.
Which of the following issues initially prevented widespread
acceptance of Alfred Wegener's continental drift hypothesis? - ✔️✔
️Wegener's lack of a good mechanism to explain why the continents
moved
Which of the following make up the eight most common elements on
Earth's crust? - ✔️✔️Silicon, Oxygen, Potassium, Calcium,
Magnesium, Iron, Sodium, Aluminum
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