dating a girl 15 years younger - Problems dating artefacts

The second round affected the devices sent to replace the original faulty phones.These were caused by manufacturing issues, including poor welding at the battery manufacturer.Archaeologists called these presumed pioneers the Clovis culture, after distinctive stone tools that were found at sites near Clovis, New Mexico, in the 1920s and 1930s.

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This possibility is supported by the studies of Professor Stephen Oppenheimer, whose research combines genetic analysis with climatology, archeology, fossil analysis and modern dating methods, in order to juxtapose early migration with early rock art, (see for example his book "Out of Eden: The Real Eve").

According to Oppenheimer, modern humans first began arriving in Australia from islands across the Timor Sea during the Middle Paleolithic era, between 70,000 and 60,000 BCE.

All this means that aboriginal migrants were settled in Australia some 10,000 years before their northern counterparts arrived in Europe.

So we may yet discover that Paleolithic art in Australia predates the cave art in Europe by a similar margin.

The basic theory of radiometric dating is briefly reviewed.

Since 1955 the estimate for the age of the Earth has been based on the assumption that certain meteorite lead isotope ratios are equivalent to the primordial lead isotope ratios on Earth.

The story starts around the end of the last ice age, when sea levels were lower and big-game hunters living in eastern Siberia followed their prey across the Bering land bridge and into Alaska.

As the ice caps in Canada receded and opened up a path southward, the colonists swept across the vast unpopulated continent.

However, this remains unconfirmed by carbon-dating results.

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