Makapansgat


Makapansgat

Makapansgat is an archeological location within the Makapansgat and Zwartkrans Valleys, northeast of Mokopane in Limpopo province, South Africa. It is an important paleontological site,[1] with the local limeworks containing Australopithecus-bearing deposits dating to between 3.0 and 2.6 million years BP.

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Makapansgat Valley sites

Makapansgat limeworks

This is the oldest of the cave sites in the Makapansgat valley, spanning an age of greater than 4.0 million years until perhaps 1.6 million years ago. This site has yielded many thousands of fossil bones, amongst which were found remains of the gracile australopithecine Australopithecus africanus. The A. africanus fossils are suggested to date to between 2.85 and 2.58 million years ago based on palaeomagnetism by Andy Herries (La Trobe University, Australia).[2] The site was recently excavated by a joint project between the University of the Witwatersrand in South Africa and Arizona State University from the U.S.

Cave of Hearths and Hyaena Mandible Cave

The Cave of Hearths is part of the Historic Cave complex and preserves a remarkably complete record of human occupation from Early Stone Age “Acheulian” times in the oldest sediments through the Middle Stone Age, the Later Stone Age and up to the Iron Age.[3] Nineteenth Century European relics such as brass ware and musket ball were found at the surface when excavations started. The site was re-excavated and re-analysed as part of the 'Makapan Middle Pleistocene Research Project' run by the University of Liverpool (UK) between 1996 and 2001.[4] This work has shown that coloured sediment horizons in the Early Stone Age levels are not from fire use. A Homo mandible also recovered from these layers may also represent one of the earliest representatives of Homo sapiens.[5]

Buffalo Cave

A small number of fossils were thought to have been collected by Dr Robert Broom from this site in 1937, including the remains of the extinct buffalo Bos makapania. More recent excavations have revealed an extensive 'Cornelian Land Mammal Age' fauna including antelope, horses, pigs, monkeys and carnivores. The fauna, along with palaeomagnetic age estimates by Andy Herries (UNSW, Australia) suggest an age of between 990,000 and 780,000 years for the main fossil bearing layers.[6] Basal flowstone deposits are estimated to go back to around 2 million years and show evidence for the beginning of the 'Walker circulation' at around 1.7 million years ago.[7]

Ficus Cave and Iron Age Site

The cave gets its name from the fig tree Ficus ingens roots which curtain its entrance. This cave contains Iron Age and 19th Century relics, a large bat colony and an underground lake. An Iron Age site close by yields occupational debris from approximately Early Iron Age (550 AD), 870 AD and the Late Iron Age (1560 AD). The slopes adjacent to the cave are artificially terraced and archaeological finds from these include patsherds, grindstones, hammer stones and relics of iron smelting operations, including ore, slag and fragments of tuyeres.

Peppercorn's Cave

This cave contains Iron Age and ancient relics and an underground lake. It is also home to a large colony of migratory long-fingered bats, Miniopterus schreibersii.

Rainbow Cave

This cave is situated immediately below the Historic Cave and contains the remains of several putative hearths, suggesting both human occupation and the controlled use of fire. The exposed sediments have yielded Middle Stone Age artifacts of the Piertersburg Culture of between 100,000 and 50,000 years ago. recent studies have shown that the coloured horizons are not hearths but are more likely ancient pool deposits.[8]

Historic Cave or Makapansgat

This site lies immediately adjacent to the Cave of Hearths and preserves Iron Age and Mfecane relics. It is most famous as the clash between a Boer Commando and local Langa and Kekana people after the murders of Voortrekkers at Moorddrift, Mapela and Pruizen. Chief Makapan (Mokopane), together with a large number of his tribespeople and their cattle were besieged in the cave for nearly a month between 25 October and 21 November 1854, during which time many hundreds died of hunger and thirst. Piet Potgieter was shot during the siege and the name of the nearby town was changed from Vredenburg to Pieter Potgietersrust, which later changed to Potgietersrus. As of early 21st century(ca.early 2000s) after the apartheid government transition into democratic republic one, most national and provincial government institutions(including educational institutions);roads;public infrastructures;towns;cities;etc were renamed,as a result the town was re-renamed to Mokopane,in honour of Chief Mokopane. The cave was proclaimed a National Monument in 1936.

Cold Air Cave

Stable isotope analyses of a uranium-series-dated stalagmite from Cold Air Cave provided a record of climate changes for the periods 4400–4000 years and approximately 800 years ago until the present day.

Gutentight Cave

This cave was located and explored in 2000 by A. Herries, A. Latham and W. Murzel. After breaking through a number of tight squeezes the cave opened out into a large chamber. The floor of the chamber was covered in hearths. An inscription on the wall of the cave was from the 19th Century and indicated that a previous entrance to the cave had collapsed and sealed the cavity after this date.

Murzel's Cave

This cave was located and explored in 1998 by A. Herries and A. Latham. Digging out of the entrance led to a climb and traverse down into a series of lower decorated chambers.[9]

Katzenjammer Cave or Herries' Hole

Katzenjammer Cave is located adjacent to Peppercorn's Cave. An entrance shaft leads down to a narrow climb and entrance to a network of passages at the same level as the far reaches of Peppercorn's Cave. The entrance shaft has formed by the collapse of fossil bearing deposits (including the Giant Dasie) into the lower modern cave system, Katzenjammer Cave. The entrance shaft area and fossil deposits were collectively termed Herries' Hole by the Makapan Middle Pleistocene Research Project.

History of discoveries in Makapansgat Valley

Makansgat Valley has been described as having one of the greatest paleontological records of human evolution in the world.[10] Collecting at the site began in 1925, when a local school teacher, Wilfred Eitzman, was attracted by the activities of limeworkers. Some fossil material was sent to Raymond Dart, who initiated a systematic investigation in 1947.[10][11]

The rocks Prof Dart received from Mr Eitzman turned out to contain, amongst others, blackened fossil bones which led him to believe that they were burnt. Although no hominid remains or stone tools were found at first, he concluded that these were the remains of bones burnt in fireplaces and therefore that Mokapansgat was a site of early hominid occupation. Dart named the first hominids discovered at the site Australopithecus prometheus after the mythological Greek hero who stole fire from the Gods. Afterwards the black markings turned out to be manganese stains and Australopithecus prometheus turned out to be specimens of Australopithecus africanus. On the basis of an analysis of 7159 fossil bones, Dart concluded that these creatures, in an era before stone tools were discovered, used tools made from bone, teeth and horn, naming it the Osteodontokeratic Culture.

In 1936, the Historical Monuments Commission was asked to declare Makapan’s Cave a National Monument and Prof C van Riet Lowe, secretary of the Commission and Director of the Archaeological Survey of the Union of South Africa, visited the site in 1937. He inspected the Historic Cave and discovered close by an abandoned limeworker’s adit which cut through a calcified cave infill. In this infill he saw fossil bones, stone tools and what he took to be ash horizons, representing ancient hearths. After initially referring to it as part of Makapan’s Cave, he later renamed it “The Cave of Hearths”.

Further research during June and October 1937 revealed the Rainbow Cave. The site was visited by Van Riet Lowe, Dart and Robert Broom. HBS Cooke of the Geology Department of the University of the Witwatersrand conducted a geological survey of the area (1941) followed by LC King in 1951.

Philip Tobias led a group of students in July 1945 to the valley where they discovered the Hyaena Cave adjacent to Van Riet Lowe’s site. Further down the valley, from a cave adjacent to the limeworks, they collected a large fossil horse’s lower jaw, from which the Cave of the Horse’s Mandible derived its name.

After these discoveries, Dr Bernard Price made a research grant available for systematic excavations which commenced at the Cave of Hearths in 1947, field work being carried out by Guy Gardiner, James Kitching and his brothers Ben and Scheepers. One of he most significant discoveries was a Homo lower jaw from Bed 3 by Ben. In 1953 Dr RJ Mason was placed in charge of the excavations and the stratigraphic sequence was determined during 1953-1954.

After the Kitching brothers discovered an ape-man braincase amongst the Limeworks dumps in 1947, Dart organized for the lime miner’s dumps to be hand-sorted in order to recover as much fossil-bearing material as possible. After 45 years of research, many thousands of fossils from this site have been identified and catalogued.

B Maguire studied rocks which were brought from outside into the caves during prehistoric times (1965, 1968, 1980). This he interpreted to represent rudimentary stone tool making activities dated at around 2,3 – 1,6 million years ago, however, recent analysis has shown this to be incorrect.

Recent work at the sites in the late 90s and early 00s were conducted by 1) the Makapansgat Fieldschool, run jointly by Kaye Reed of the Institute of Human Origins at Arizona State University (US) and Kevin Kuykendall of the University of the Witwatersrand (SA) and later the University of Sheffield (UK); 2) The Makapan Middle Pleistocene Research project run by Anthony Sinclair, Patrick Quinney of the University of Liverpool (UK) and later John McNabb of the University of Southampton (UK.). Geochronological and stratigraphic work for both projects were conducted by Alf Latham, Ginette Warr (U. liverpool, UK) and Andy Herries (UNSW, Australia).

See also

References

  1. ^ C.Michael Hogan, Mark L. Cooke and Helen Murray, The Waterberg Biosphere, Lumina Technologies, May 22, 2006.
  2. ^ Herries, A.I.R., Hopley, P.J., Adams, J.W., Curnoe, D., Maslin, M.A. 2010. Letter to the editor: Geochronology and palaeoenvironments of Southern African hominin-bearing localities-A reply to Wrangham et al., 2009. "shallow-water habitats as sources of fallback foods for hominins".
  3. ^ Latham, A.G., Herries. A.I.R., 2004. The formation and sedimentary infilling of the Cave of Hearths and Historic Cave Complex. Geoarchaeology. 19, 323-342.
  4. ^ McNabb, J., Sinclair, A.G.M. (Eds.) 2009. The Cave of Hearths: Makapan Middle Pleistocene Research Project. University of Southampton series in archaeology (Archaeopress, Oxford).
  5. ^ Curnoe, D. 2009. The mandible from Bed 3, Cave of Hearths. In: McNabb, J., Sinclair, A.G.M. (Eds.) The Cave of Hearths: Makapan Middle Pleistocene Research Project. University of Southampton series in archaeology (Archaeopress; Oxford), 1: 138-149.
  6. ^ Herries, A.I.R, Reed, K., Kuykendall, K.L., Latham, A.G., 2006. Speleology and Magnetobiostratigraphic chronology of the Buffalo Cave fossil bearing palaeodeposits, Makapansgat, South Africa. Quaternary Research. 66, 233-245.
  7. ^ Hopley, P.J., Weedon, G.P., Marshall, J.D., Herries, A.I.R, Latham, A.G., Kuykendall, K.L., 2007. High- and low-latitude orbital forcing of early hominin habitats. Earth Planetary Science Letters. 256, 419-432.
  8. ^ Herries, A.I.R., Latham, A.G., 2009. Chapter 5: Archaeomagnetic studies at the Cave of Hearths. In: McNabb, J., Sinclair, A.G.M. (Eds.) The Cave of Hearths: Makapan Middle Pleistocene Research Project. University of Southampton series in archaeology (Archaeopress; Oxford), 1: 59-64.
  9. ^ Herries, A.I.R., Latham, A.G., 1999. New caves in the Makapansgat area of the Northern Province of South Africa. Caves and Caving. 85, 18-19.
  10. ^ a b Rayner, Richard J., Moon, Bernard P., & Masters, Judith C (March, 1993), "The Makapansgat australopithecine environment", Journal of Human Evolution 24 (3): 219–231, doi:10.1006/jhev.1993.1016 
  11. ^ Tattersall, Ian (1996), The Fossil Trail: How we know what we think we know about human evolution, Oxford & New York: Oxford University Press, p. 77, ISBN 0-19-506101-2, http://books.google.com/books?id=_NHUYzuvmXIC&printsec=frontcover&dq=fossil+trail&hl=en&ei=ichoTLn0JJDOuAOa7fD9Aw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCkQ6AEwAA#v=onepage&q&f=false, retrieved 16 August 2010  Paperback ISBN 0-19-510981-3


Coordinates: 24°9′31″S 29°10′37″E / 24.15861°S 29.17694°E / -24.15861; 29.17694


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