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Posted by / 22-Dec-2020 03:00

Methods of dating archaeological sites

Archaeologists have also recorded how primitive forms of humans spread out of Africa into Asia about 1.8 million years ago, then into Europe about 900,000 years ago.The first physically modern humans, Homo sapiens sapiens, appeared in tropical Africa between 200,000 and 150,000 years agodates determined by molecular biologists and archaeologists working together.The earliest subjects of archaeological study date from the origins of humanity.These include fossil remains believed to be of human ancestors who lived 3.5 million to 4.5 million years ago.Archaeologists have documented that the development of agriculture took place about 10,000 years ago.Early domesticationthe planting and harvesting of plants and the breeding and herding of animalsis evident in such places as the ancient settlement of Jericho in Jordan and in Tehuacn Valley in Mexico.Archaeology also examines many of the same topics explored by historians.

From their studies, archaeologists attempt to reconstruct past ways of life.Archaeology became established as a formal discipline in the 19th and early 20th centuries.At that time, most archaeological work was confined to Europe, to the so-called cradle of civilization in southwestern Asia, and to a few areas of the Americas.Many of the objects left behind by past human societies are not present in the archaeological record because they have disintegrated over time.The material remains that still exist after hundreds, thousands, or millions of years have survived because of favorable preservation conditions in the soil or atmosphere.

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Today, archaeologists study the great cultural diversity of humanity in every corner of the world.