dating black men in dc - Stonehenge dating wikiepedia

Later, it is believed, groups with advanced tools and a more communal way of life left their stamp on the site.

Most archaeologists have remained cool toward the glacial theory, however, wondering how the forces of nature could possibly have delivered the exact number of stones needed to complete the circle.

According to the 12th-century writer Geoffrey of Monmouth, whose tale of King Arthur and mythical account of English history were considered factual well into the Middle Ages, Stonehenge is the handiwork of the wizard Merlin.

However, in the mid-20th century, radiocarbon dating demonstrated that Stonehenge stood more than 1,000 years before the Celts inhabited the region, eliminating the ancient Druids from the running.

Many modern historians and archaeologists now agree that several distinct tribes of people contributed to Stonehenge, each undertaking a different phase of its construction.

They then transferred the boulders onto rafts and floated them first along the Welsh coast and then up the River Avon toward Salisbury Plain; alternatively, they may have towed each stone with a fleet of vessels.

More recent hypotheses have them transporting the bluestones with supersized wicker baskets or a combination of ball bearings, long grooved planks and teams of oxen.Several hundred years later, it is thought, Stonehenge’s builders hoisted an estimated 80 non-indigenous bluestones, 43 of which remain today, into standing positions and placed them in either a horseshoe or circular formation.During the third phase of construction, which took place around 2000 B.As early as the 1970s, geologists have been adding their voices to the debate over how Stonehenge came into being.Challenging the classic image of industrious Neolithic builders pushing, carting, rolling or hauling the craggy bluestones from faraway Wales, some scientists have suggested that glaciers, not humans, did most of the heavy lifting.Whi1e many modern scholars now agree that Stonehenge was once a burial ground, they have yet to determine what other purposes it served and how a civilization without modern technology—or even the wheel—produced the mighty monument.

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