Exam (elaborations)
ESC-1000 - Structural Geology Assignment (1).
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ESC-1000 - Structural Geology Assignment (1).
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ESC-1000 - Structural Geology AssignmentThe fold in this picture is a(n) _________. The force or stress that caused this fold is
__________. (picture of a syncline)
(https://1.bp.blogspot.com/-Kn2MNIGdzII/XU8EmFmv4II/AAAAAAAARUE/7xyuiM6zVqAB1llg6
mRagHBHDTsrncLUgCLcBGAs/s400/Syncline%2Bin%2Bthe%2Blower%2Bparking%2Blot%2B
of%2BCalico%2BGhost%2BTow%2B%25282%2529%2B%25281%2529.jpg) - ANS-syncline,
compression
Another name for this overturned fold is _________. The stress or force that caused this fold is
___________.
(https://media.cheggcdn.com/media/606/60611c43-5586-4e01-847b-f4297c24b786/php0bzO9P.
png) - ANS-recumbent, compression
This type of fold is a(n) ____.
(https://upload.wikimedia.org/wikipedia/commons/thumb/4/48/NJ_Route_23_anticline.jpg/220px
-NJ_Route_23_anticline.jpg) - ANS-Anticline
In this type of fold, we would expect the oldest rock layers to be ____.
(https://upload.wikimedia.org/wikipedia/commons/thumb/4/48/NJ_Route_23_anticline.jpg/220px
-NJ_Route_23_anticline.jpg) - ANS-At the bottom, in the center of the fold.
This type of fault is called a _______ fault. The geologist has his hand on the _________ wall,
which moved up while the other block, known as the _________ wall moved down. The force or
stressed that caused this fault was __________.
(https://farm1.static.flickr.com/25/53871499_9d1756cf1a_o.jpg) - ANS-normal, foot, hanging,
tension
The San Andreas Fault is a _________ plate boundary. In this section, Wallace Creek has been
offset by movement along the fault. From this offset, we can determine that the fault is a
________ lateral fault. The force or stressed that caused this movement is ___________.
(https://epod.typepad.com/.a/6a0105371bb32c970b0115709e778f970c-pi) - ANS-transform,
right, shear
1. Using the scale at the bottom of the pictures, what is the approximate offset of Wallace Creek
in yards? In feet? In inches?
2. Assuming an average movement of 2 inches/year, how many years did it take for this offset to
occur?
(https://epod.typepad.com/.a/6a0105371bb32c970b0115709e778f970c-pi) - ANS-1. What is the
approximate offset of Wallace Creek in yards? In feet? In inches?
100 yards offset, 300 ft, 3600 inches.
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