Gademotta

Gademotta
	archaeological site (en)
Bayanai
Ƙasa	Habasha
Wuri
	8°03′N 38°15′E / 8.05°N 38.25°E

Gademotta Formation a cikin Main Ethiopian Rift Valley an san shi da wuraren binciken archaeological na Middle Stone Age. Tana yammacin Tafkin Ziway . Baya ga nau'in shafin, wanda ke ɗaukar sunan iri ɗaya, tsarin ya ƙunshi tarin shafuka a Kulkuletti, kimanin kilomita 2.5 (1.6 daga nesa. Yanayin kusa da tafkin da kuma lobsidian da ke cikin gida na iya jan hankalin ci gaba / maimaitawa na yankin ta hanyar Middle da Late Pleistocene hominins.

Gademotta Formation site-complex an gano shi ne a farkon shekarun 1970 ta ƙungiyar masu bincike a ƙarƙashin jagorancin Fred Wendorf da Romuald Schild . Wannan ƙungiyar ta gudanar da tonowa da yawa a cikin 1972 da 1973, inda ta dawo da dubban kayan tarihi na dutse. Sabunta bincike a cikin Gademotta Formation an ƙarfafa shi ta hanyar sabbin dabarun da suka ba da damar ingantaccen 40Ar / 39Ar [bayyanawa da ake buƙata] shekarun shafin da aka buga a cikin 2008. ^[1]

An buga shekaru sama da 279,000 don shafin yanar gizon Tsohon Tsakiyar Tsakiya a cikin Formation . ^[1]^[2] Kodayake irin wannan shekarun ne tare da tsohuwar shafin Middle Stone Age a cikin Kapthurin Formation, Kenya, tsohuwar sana'a a Gademotta tana da fasahar fasahar da ke da alaƙa da Zamanin Stone na Tsakiya.^[3] An yi nazarin mashi da aka jefa a kan dutse na wannan shekarun.^[2]^[4]

Bayanan da aka ambata

1 2 Morgan, LE; Renne, PR (2008). "Diachronous dawn for Africa's Middle Stone Age: new 40Ar/39Ar ages from the Ethiopian Rift". Geology. 36 (12): 967–970. Bibcode:2008Geo....36..967M. doi:10.1130/g25213a.1. Cite error: Invalid <ref> tag; name "LE Morgan, PR Renne 2008" defined multiple times with different content.
1 2 Sahle, Y; et al. (2014). "Chronological and behavioral contexts of the earliest Middle Stone Age in the Gademotta Formation, Main Ethiopian Rift". Quaternary International. 331: 6–19. Bibcode:2014QuInt.331....6S. doi:10.1016/j.quaint.2013.03.010.
↑ Deino, AL; McBrearty, S (2002). "40Ar/39Ar dating of the Kapthurin Formation, Baringo, Kenya". Journal of Human Evolution. 42 (1–2): 185–210. doi:10.1006/jhev.2001.0517. PMID 11795974.
↑ Sahle, Y.; Hutchings, W. K.; Braun, D. R.; Sealy, J. C.; Morgan, L. E.; Negash, A.; Atnafu, B. (2013). Petraglia, Michael D (ed.). "Earliest Stone-Tipped Projectiles from the Ethiopian Rift Date to >279,000 Years Ago". PLOS ONE. 8 (11): e78092. Bibcode:2013PLoSO...878092S. doi:10.1371/journal.pone.0078092. PMC 3827237. PMID 24236011.

[LE_Morgan,_PR_Renne_2008-1] 1 2 Morgan, LE; Renne, PR (2008). "Diachronous dawn for Africa's Middle Stone Age: new 40Ar/39Ar ages from the Ethiopian Rift". Geology. 36 (12): 967–970. Bibcode:2008Geo....36..967M. doi:10.1130/g25213a.1. Cite error: Invalid <ref> tag; name "LE Morgan, PR Renne 2008" defined multiple times with different content.

[Y_Sahle_2013-2] 1 2 Sahle, Y; et al. (2014). "Chronological and behavioral contexts of the earliest Middle Stone Age in the Gademotta Formation, Main Ethiopian Rift". Quaternary International. 331: 6–19. Bibcode:2014QuInt.331....6S. doi:10.1016/j.quaint.2013.03.010.

[3] Deino, AL; McBrearty, S (2002). "40Ar/39Ar dating of the Kapthurin Formation, Baringo, Kenya". Journal of Human Evolution. 42 (1–2): 185–210. doi:10.1006/jhev.2001.0517. PMID 11795974.

[SahlePLOS1-4] Sahle, Y.; Hutchings, W. K.; Braun, D. R.; Sealy, J. C.; Morgan, L. E.; Negash, A.; Atnafu, B. (2013). Petraglia, Michael D (ed.). "Earliest Stone-Tipped Projectiles from the Ethiopian Rift Date to >279,000 Years Ago". PLOS ONE. 8 (11): e78092. Bibcode:2013PLoSO...878092S. doi:10.1371/journal.pone.0078092. PMC 3827237. PMID 24236011.

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