Motsetsi Cave (also known as Motsetse) is a fossil-bearing
breccia
Breccia ( , ; ) is a rock composed of large angular broken fragments of minerals or Rock (geology), rocks cementation (geology), cemented together by a fine-grained matrix (geology), matrix.
The word has its origins in the Italian language ...
filled cavity located about east of the well known South African
hominid
The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); '' Gorilla'' (the ...
-bearing sites of
Sterkfontein
Sterkfontein (Afrikaans for ''Strong Spring'') is a set of limestone caves of special interest in paleoanthropology located in Gauteng province, about northwest of Johannesburg, South Africa in the Muldersdrift area close to the town of K ...
and
Kromdraai
Kromdraai Conservancy is a protected conservation park located to the south-west of Gauteng province in north-east South Africa. It is in the Muldersdrift area not far from Krugersdorp.
Etymology
Its name is derived from Afrikaans meaning "Cr ...
and about north-northwest of
Johannesburg
Johannesburg ( , , ; Zulu language, Zulu and Xhosa language, Xhosa: eGoli ) (colloquially known as Jozi, Joburg, Jo'burg or "The City of Gold") is the most populous city in South Africa. With 5,538,596 people in the City of Johannesburg alon ...
,
South Africa
South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
. Motsetsi has been declared a
South African National Heritage Site.
History of investigations
Motsetsi has been investigated since its discovery by
Lee Berger in 1999.
Since then a series of part-time excavations have recovered tens of thousands of fossils. Excavations have been conducted at Motsetse by the
University of the Witwatersrand
The University of the Witwatersrand, Johannesburg (), commonly known as Wits University or Wits, is a multi-campus Public university, public research university situated in the northern areas of central Johannesburg, South Africa. The universit ...
and at times in conjunction with Peter Schmid of the
University of Zurich
The University of Zurich (UZH, ) is a public university, public research university in Zurich, Switzerland. It is the largest university in Switzerland, with its 28,000 enrolled students. It was founded in 1833 from the existing colleges of the ...
. Only a very small part of this site has been excavated.
Recovered fossils
Of the many thousands of fossils recovered from Motsetsi, no hominid fossils have yet been found. Many very fine fossils of other animals, however, have been discovered including the remains of very well preserved ''
Dinofelis
''Dinofelis'' is an extinct genus of machairodontine (sabre-toothed cat), usually classified in the tribe Metailurini. It was widespread in Europe, Asia, Africa and North America from 5 million to about 1.2 million years ago (early Pliocene to ...
'' fossils – a type of false saber-toothed cat.
Geology
Motsetse is a series of breccia-filled dolomitic caves that formed in a fissure along a geological fault.
Age of the deposits
Motsetsi has been dated to 1.0 to 1.6 million years old based on the animals recovered.
References
{{Greater Johannesburg, natural
Archaeological sites in South Africa
Caves of South Africa
Landforms of Gauteng
Limestone caves
Pleistocene paleontological sites of Africa
South African heritage sites
Archaeological sites of Southern Africa
Cradle of Humankind