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Relative Time Scale
The scale of geologic time expressed in terms of officially defined units but without reference to the age of units in years
A sedimentary rock that consists of particles of sand that are cemented together to form a rock
The methods used by scientists to investigate questions, record data, and analyze results
Particles of minerals and rocks that are transported along the Earth's surface and then deposited
The process of establishing the time equivalence of rocks that exist in areas that are far apart
A stack or sequence of sedimentary rock layers that are exposed at a given place on the Earth
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