If you observe steeply inclined sedimentary rocks, what can you conclude? What will be an ideal response?
The principle of original horizontality states that sediments accumulate in horizontal or nearly
horizontal layers. For rock layers to be steeply inclined, they must have been deposited horizontally,
been lithified, and then tilted to their present position
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This figure has rock units and geologic features that are assigned letters that are not in any particular order. From the geologic relations, what is the oldest unit?
A) Limestone in the far right (unit K)
B) Dike (unit D)
C) Conglomerate (unit C)
D) Lava flow (unit L)
E) Granite (unit G)
Stripes of reversals of the Earth's magnetic field, when found in symmetrical bands in rock on the seafloor on opposite sides of ridges, were proof of _____.
A ) constancy of the magnetic field B ) the age of the Earth C ) seafloor spreading D ) magnetite in basaltic rocks
Most hazardous volcanoes occur near subduction zones
a. True b. False
The low latitude dry regions coincide with ________
A) the polar high pressure belt B) the subtropical low pressure belts C) the gulf stream D) the polar low pressure belt E) the subtropical high pressure belts