over BK9 (Walker 2011) and BK12 (Gibson, pers. comm. 2017)
Archaeological sites around the Makgadikgadi
Basin
Earliest ESA (3.4 - 1.7 Ma) - 995 m
ESA
(1.7 - 0.3 Ma)
- 945 m
MSA
(300 - 50 Ka)
- below 945 m
LSA
(50 - 20 Ka)
- < 920 m
Successive older stone age artifacts are concentrated at progressive higher lake levels.
Earliest ESA (Oldowan)
artifacts on BK09
Pre-historic mines in
Botswana:
AD 800 - 1,200
Iron (AD 800 - 1,000)
Copper (AD 1,000 - 1,700)
Gold (AD 1,200 +)
15m deep pre-historic stope
Pre-historic Dukwe Copper mines:
Malokojwe
Orapa
Van Waarden 2017
Charcoal from fire-setting was collected for dating - 13th - 14th century.
The blocky nature is where the rock had been removed by iron gad and hammerstones.
The green copper oxide (mostly chrysocolla) left behind, as the miners only targeted malachite.
Prehistoric mining at Tsodilo Hills for specularite-hematite used for pigment
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Tsodilo Resources Limited published this content on 18 September 2022 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 17 September 2022 00:09:01 UTC.
Tsodilo Resources Limited (Tsodilo) is a Canada-based exploration stage company, which is engaged principally in the acquisition, exploration and development of mineral properties in the Republic of Botswana. It is engaged in the search for economic metal and diamond deposits at its Gcwihaba Resources (Pty) Limited (Gcwihaba) and Bosoto (Pty) Ltd. (Bosoto) projects in Botswana. The Company has a 100% stake in its Gcwihaba project area consisting of five metal (base, precious, platinum group, and rare earth) prospecting licenses all located in the North-West district of Botswana. The Company has a 100% stake in Bosoto (Pty) Ltd. which holds the BK16 kimberlite project in the Orapa Kimberlite Field (OKF) in Botswana. Tsodilo manages the exploration of the Gcwihaba and Bosoto projects. The Company also holds a 100% interest in Newdico (Pty) Limited, which provides administrative, operational, exploration, geophysical, and drilling services to the Company's other subsidiaries.