Sentences with phrase «radiocarbon dating showed»

Radiocarbon dating showed that although much of the structure.

Hostilities commenced four years ago, shortly after Shady, Haas, and Creamer collaborated on a paper in the journal Science reporting that radiocarbon dating showed Caral to be the earliest known urban center in the Americas.

Radiocarbon dating showed that they lived between 1028 and 1280.

Radiocarbon dating showed that although much of the structure predated the battle by more than 500 years, parts of it may have been built or restored around the time of the battle, suggesting the causeway might have been in continuous use for centuries — a well - known landmark.

Radiocarbon dating shows that the mummies span 1300 years of ancient Egyptian history, during many of the foreign conquests and then Egypt's incorporation into first the Greek and then the Roman empires.

Not exact matches

If there is one piece of evidence that would cause me to reject and denounce my Christian faith it is that» Using radiocarbon dating of camel bones that showed signs of carrying heavy loads...»

Using radiocarbon dating of camel bones that showed signs of having carried heavy loads, Israeli archaeologists have dated the earliest domesticated camels to the end of the 10th century BCE.

«Using radiocarbon dating of camel bones that showed signs of having carried heavy loads».

Radiocarbon dating of the dogs» bones shows they were 1,500 years older than thought, zooarchaeologist Angela Perri said April 13 at the annual meeting of the Society for American Archaeology.

By radiocarbon dating guano samples at 13 gyrfalcon nest sites in Arctic regions of west Greenland, Kurt Burnham of the Edward Grey Institute of Field Ornithology in Oxford, UK, and colleagues showed that some sites have been occupied for at least 2500 years.

And radiocarbon dating of the skeletons showed the children died around 1920 BC, roughly in accordance with the time of the legend.

The researchers combined radiocarbon dating and DNA analysis to track the movements of bison into the corridor, showing that it was fully open by about 13,000 years ago.

Hearths excavated at sites such as this provided many of the radiocarbon dates for new research showing that hunter - gatherers in the region that is now Wyoming and Colorado grew at the same rate as farming societies in Europe.

Radiocarbon dating and other evidence showed that they were laid to rest together, about 11,500 years ago.

Radiocarbon dating of marine shells and burned twigs at the site shows that humans first landed on San Miguel at least 12,000 years ago, and the dart head in my hand holds clues to the ancestry of those seafarers.

Normally, radiocarbon dates have error ranges of several centuries, but the researchers could improve the estimates because the smallest sharks measured showed the «bomb pulse» — a huge increase in global radiocarbon released from the hundreds of nuclear weapons tested in the 1950s and»60s.

Radiocarbon dating of the 15 Siberian tusks showed they span the period from about 40,000 years ago to about 10,000 years ago.

A modern peach pit would have a recent radiocarbon date, but radiocarbon analysis of the fossil peaches showed them to be older than the limit of radiocarbon dating, which is about 50,000 years.

Archaeologists have long known that farming arose in the Middle East and then spread to Europe, because radiocarbon dating of hundreds of early sites shows a clear time gradient from east to west.

Borić and Price analyzed skeletons whose age had been directly determined by radiocarbon dating and spotted a significant change in the strontium profile right around the time that the first signs of Neolithic culture show up, as they report online this week in the Proceedings of the National Academy of Sciences.

Radiocarbon dating has shown the structure to be nearly 6,000 years.

Radiocarbon dating has shown the structure to be nearly 6000 years old.

It is not correct to state or imply from this evidence that the radiocarbon dating technique is thus shown to be generally invalid.

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Radiocarbon dating of the basal sediments shows that this carbon.

The carbon - 14 isotope would Carbon dating has shown that Radiocarbon dating.

A radiocarbon - dated box core in the Sargasso Sea shows that sea surface temperature was approximately 1 °C cooler than today approximately 400 years ago (the Little Ice Age) and 1700 years ago, and approximately 1 °C warmer than today 1000 years ago (the Medieval Warm Period).

Then it was pushed aside because it showed glaciers in a part of Alaska that the new technique of radiocarbon dating indicated were forested.

Opening with a biographical sketch of Broecker — who, we learn, was born to an Evangelical suburban Chicago family, and initially drifted into his scientific vocation via a summer job in a radiocarbon dating lab — the book explains the currently - accepted Milankovitch theory of Ice Age glaciation; proceeds to an account of the Dr. David Keeling's measurements atmospheric CO2; continues with a summary of research work on glacial ice cores, sediments, and fossil pollen from around the world showing startlingly abrupt prehistoric climate changes; and moves on to the possible consequences of continued warming, closing with an account of the prospects of removing carbon dioxide from the atmosphere.