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Schmidt Hammer Exposure Dating

SHED refers to Schmidt Hammer Exposure Dating: a technique that provides a cost-effective solution for dating the exposure of granite surfaces. This can be used to constrain the timing of past events, which permits a better understanding of the links between climate and landscape evolution.

The approach is based upon a study by Tomkins et al. (2016), in which a statistically significant relationship was observed between the exposure ages (derived from terrestrial cosmogenic nuclide dating), and Schmidt Hammer rebound values (R-values) of 25 granitic surfaces from NW England and Scotland.

By exploiting this relationship, researchers can quickly, cheaply and easily date granite exposure using a schmidt hammer and the web tool.

Learn more at and in the following academic articles:

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