- African archaeology
The continent of
Africahas the longest record of human activity of any part of the world and along with its geographical extent, it contains an enormous archaeological resource. Scholars have studied Egyptologyfor centuries but archaeologists have only paid serious attention to the rest of the continent in more recent times.
Pliocene and Pleistocene Africa
The earliest evidence of archaeological activity anywhere comes from the
Rift Valleysites of East Africasuch as Olduvai Gorgein modern-day Tanzania. It is thought that the earliest hominids evolved in Olduvai or somewhere similar around 4 million years ago. They are known as australopithecines and fossils of them include the famous Lucy. The first, crude Oldowanstone tools produced there were made as long as 2.5 million years ago by the later " homo habilis". Around a million years later, Developed Oldowan and then Acheulianindustries produced more advanced handaxes made by " homo erectus". Archaeological study of this era was pioneered by people such as Louis Leakeyand his family and has centered on the earliest development of tool use, fire and diet in hominid societies. Sites such as Kalambo Fallshave produced well-preserved evidence of this activity.
By the beginning of the Middle
Palaeolithic, around 120,000 BC, African societies were hunter-gatherers proficient in exploiting the herds of large mammals that populated the continent for meat, including elephants and the fearsome African Buffalo. The area that is now the Saharadesert was open grassland and it seems that early humans preferred this plains environment to the jungles in the centre. Coastal peoples also existed on seafood and numerous middens indicate their diet.
Homo sapiens sapiens" appears for the first time in the archaeological record around 100,000 BC in Africa and soon developed a more advanced method of flint tool manufacture involving striking flakes from a prepared core. This permitted more control over the size and shape of finished tool and led to the development of composite tools, that is projectile points and scrapers which could be hafted onto spears, arrows or handles. In turn this technology permitted more efficient hunting such as that demonstrated by the Aterianindustry.
Although still homos, there is evidence that these early humans also actively managed the food resource as well as simply harvesting it. The jungles of the
Congo Basinwere first occupied around this time; different conditions and diet there produced recognisably different behaviours and tool types. There are also the earliest signs of artappearing through the use of ochreas a body decoration and paint and burial rituals may have been practised.
Later Stone Age Africa
Around 10,000 BC, African societies developed
microlithtechnology which permitted even finer flint tools that could be mounted in rows on a handle. Such a tool was useful for harvesting wild grasses and also permitted fine shell and bone fish hooks, further varying diet. These nifty Neolithicconditions led to eventual settlement sites being founded in parts of Africa as the nomadic hunter-gatherer lifestyle was replaced by an agrarian and herding society. Other parts of the continent remained in the Palaeolithic however. Africa's earliest evidence for pottery and domesticated plants and animals comes from the north of the continent, in around 7000-6000 BC, and this different lifestyle is preserved in the images of Saharan rock art. As the Sahara increased in size due to global climate change, its early farmers were forced south and eastwards, to the Nigerand Nilevalleys spreading their new ideas as they moved.
Wheat and barley, sheep and goats were quickly adopted from Asia by African farmers but the early use of metalworking was not widely introduced in Africa until the Egyptians joined the
Bronze Agearound 4,000 BC. Pockets of bronze usage appeared in subsequent millennia but metal did not supplant stone in the continent until around 500BC when both iron and copper spread southwards through the continent, reaching the Cape around 200AD. The widespread use of iron revolutionised the Bantu farming communities who drove out the remaining hunter-gatherer societies they encountered as they expanded to farm wider areas of savannaThe technologically superior Bantu spread across southern Africa and became rich and powerful, producing iron for tools and weapons in large, industrial quantities.
Trade with the Near East and Europe led to strong mercantile empires growing such as the Ethiopian kingdom of
Axum. The Bantu people built the impressive site of Great Zimbabwebetween the 10th and 15th centuries AD. The north of the continent had close cultural and economic ties with the Classical and medieval Mediterranean. Cattle herding became important in East Africa and huge earthwork enclosures were built to corral the animals. The people of Christian Ethiopiaproduced impressive rock-cut monolithic churches such as that of St George at Lalibeladuring the 13th century and the first Portuguese forts appeared soon after this, penetrating as far south as Zambia.
Synoptic table of the principal old world prehistoric cultures
* [http://www.african-archaeology.net/ African Archaeology] - African Archaeology : a web directory on Africa.
* [http://brian.finucane.googlepages.com/tilemsivalleyproject] - Excavations at Karkarichinkat Nord and Sud
* [http://www.pnas.org/cgi/reprint/0510792103v1 Why did modern human populations disperse from Africa ca. 60,000 years ago? A new model -- Mellars, 10.1073/pnas.0510792103 -- Proceedings of the National Academy of Sciences]
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