Relative dating erosion

Numerical techniques are best, but datable materials are often lacking, and in these cases age estimation must be made using relative-dating or correlation techniques.

In addition, weathering rinds, soil descriptions, and an early Holocene C date for the youngest terrace support correlation of the three terrace levels with the three post-Sherwin-age glacial stages (Tioga, Tahoe, and pre-Tahoe) found in nearby canyons of the Sierra Nevada.About 26 dating techniques can be applied to dating deposits and deformation of late Cenozoic age (past few million years).These techniques can be grouped as numerical, relative dating, and correlation.The amount of deformation can normally be measured with greater accuracy than the age.Adequate age control is thus a limiting factor in studies of active tectonism.

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