Wave dating

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The concept and some first results of OSL surface exposure dating shall be presented for coastal boulders from the Rabat coast, Morocco, where the preconditions for successful dating are promising: (i) Several coastal boulders show clear indication of overturning during wave transport in the form of downward-facing bio-eroded surfaces; (ii) the boulders are composed of different types of sandstone that contain quartz and feldspar, the required dosimeters for OSL dating; (iii) all boulders are of Holocene age and, therefore, in the dating range of OSL surface exposure dating.

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The tables are filled with young women and men who’ve been chasing money and deals on Wall Street all day, and now they’re out looking for hookups.“We are in uncharted territory” when it comes to Tinder et al., says Justin Garcia, a research scientist at Indiana University’s Kinsey Institute for Research in Sex, Gender, and Reproduction.“There have been two major transitions” in heterosexual mating “in the last four million years,” he says.By measuring the depth-dependent resetting of luminescence signals in exposed rock surfaces and comparing it to the signal-depth profiles of known-age samples, OSL surface exposure dating may be capable to model direct depositional ages for boulder transport.Thereby, it promises to overcome the limitations of existing dating techniques, and to decipher complex transport histories of clasts that underwent multiple phases of exposure and burial.

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