Dating methods in archeology

In this 7,000 year span, we see the first colonization of the altiplano, the settling of permanent villages, and the rise of chiefly societies that formed the basis of Tiwanaku, one of the high civilizations of the New World.Dating of squash seeds from a cave in Oaxaca, Mexico, has confirmed that plant domestication in the Americas began some 10,000 years ago.Radiocarbon dates place the beginning of the occupation at ca. At the time, the site, now only five miles from the Gulf Coast near Tallahassee, was nearly 100 miles inland, and Florida's landscape resembled Africa's savannahs.Within 100 years, however, rising water at the end of the last glaciation flooded the site, sealing it with deposits that contain shells of freshwater molluscs."8,000 B. - Ancient Ruins / India - "At Poompuhur, facing the Bay of Bengal, Indian divers found a horseshoe-shaped object, measuring 85 metres in length, in water more than 23 metres deep.

In places wehere the ground is bare - from overgrazing or from the common practice of leaving fields unplanted for part of the year - photosynthesis stops. Lal calculates that land use changes such as these have stripped 70 billion to 100 billion tons of carbon from the world's soils and pumped it into the earth's atmosphere, oceans, and lakes since the dawn of agriculture. - Geography Trivia / Ireland - "The shape and landscape of present-day Ireland—an island of 27,100 square miles [70,200 square kilometers]—were formed 10,000 years ago when Atlantic Ocean glaciers slowly began their retreat.

Researchers probing the ocean bottom have found 18-story-high towers of stone deep in the ocean near a section of volcanic fault ridges that extend for 6,200 miles along the Atlantic Ocean floor."9,000 B. - Jericho Settlement - "This city, located near a permanent spring a few miles west of the Jordan River was excavated by Kathleen Kenyon. Manfred Heun of the Agricultural University of Norway, along with Norwegian, German, and Italian colleagues, examined the DNA of 68 lines of cultivated einkorn (Triticum monococcum monococcum), 194 lines of wild einkorn (T. boeoticum) from nine geographical regions within the Fertile Crescent, and nine lines of a weedy einkorn (T. aegilopoides) found in the Balkans." - Fig Cultivation / Middle East - "[....] In the Middle East, figs were domesticated 11,400 years ago. In the New World, corn was being cultivated 9,000 years ago. Some scholars have proposed that the Sumerians came by ship, landing on the north shore of the Persian Gulf.' " 8,000 B. - Florida Indians - "Florida's Aucilla River is yielding evidence of the adaptability of Paleoindians to their changing environment at the end of the Pleistocene, 10,000 years ago.

There were indications of settlement after 9,000 B. For a decade, researchers from the Florida Museum of Natural History have been excavating the Page-Ladson site, and this past fall [1996] they uncovered the ground surface of a Paleoindian habitation at a depth of 15 feet.

Chert, jasper and quartzite were often used by humans during this period. With the right stewardship, Lal says, the agricultural soils of the world have the potential to soak up 13 percent of the carbon dioxide in the atmosphere today - the equivalent of scrubbing every ounce of CO2 released into the atmosphere since 1980.

[....] For millions of years, a natural partnership between plants and soil microbes has helped regulate carbon dioxide levels in the atmosphere.

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- Wiki Trivia - "The 9th millennium BC marks the beginning of the Neolithic period. [NP] Pottery became widespread (with independent development in Central America) and animal husbandry (pastoralism) spread to Africa and Eurasia. [....]"[....] Professor Dinesh Agrawal of Penn State University reviewed the evidence from a variety of sources and estimated the dates as follows: 1. These are the "bog bodies." The individual bog bodies show a great degree of variation in their state of preservation, from skeletons, to well-preserved complete bodies, to isolated heads and limbs.

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