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reverse faults form in response to ______ forces.
compressive (reverse faults--> compressive forces)
which of the following statements best describes the behavior of rocks during deformation?
brittle materials deform by faulting, whereas ductile materials deform by folding
a rock formed with 1000 atoms of a radioactive parent element, but contains only 250 radioactive parent atoms today. If the half-life for the radioactive element is one million years, how old is the rock?
2 million years old
An undeformed sedimentary layer is _____ than the layer above and _____ than the layer below.
a diagram representing a vertical slice through the earths crust is called a?
geologic cross section
which of the following lists is written in order of decreasing particle size?
conglomerate, sandstone, siltstone
what determines whether a rock deforms in a brittle fashion versus a ductile fashion?
temperature, rate of deformation, and rock type
which of the following is an erosion surface that separates two sets of sedimentary layers with non-parallel bedding planes?
the principle of superposition states that
undisturbed sedimentary layers get progressively younger from bottom to top
the line formed by the intersection of an inclined sedimentary layer and a horizontal plane is called the
what type of metamorphism is caused by high temperature and high pressure imposed over a large volume of crust?
which of the following processes will cause metamorphism?
All of the above --> an increase in pressure, interaction with hydrothermal fluids, an increase in temperature
which of the following sequences describes the metamorphic changes in a shale with increasing metamorphic grade?
Slate-> schist -> gneiss
which of the following is the best statement of the principle of original horizontality?
sediments are deposited as horizontal layers
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