| http://www.w3.org/ns/prov#value | - According to Ian McDougall, professor of geology in the Research School of Earth Sciences at the Australian National University, and T. Mark Harrison, professor of geology in the Department of Earth and Space Sciences at the University of California, Los Angeles, ???Departures from this assumption in fact are quite common, particularly in areas of complex geological history??? (1999, p. 11, emp. a
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