Dating lunar rocks

Examples of ages listed here are also obtained by applying the same principle of uniformitarianism.

dating lunar rocks-67

the age of the earth and the universe, and that includes the ones we have listed here.Extrapolating too much from them would be a little like collecting scoops of rock at half a dozen spots in North America and pretending you understand all of Earth’s geology.The lunar sample set remains narrow even if you add material returned by the Soviet Union’s robotic Luna probes and Moon rocks that have fallen to Earth as meteorites.The measurements used as evidence, however, are somewhat crude and far from conclusive.Now, however, Mercer and his co-authors have used ultraviolet lasers to study lunar samples brought back back by the final Apollo landing mission, Apollo 17, more than 42 years ago, and have found evidence of at least three major melting events, presumably caused by powerful impacts, at 3.8, 3.7 and 3.3 billion years ago.

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