Chapter 8: The World-Class Gold Deposits in the Geita Greenstone Belt, Northwestern Tanzania

P.H.G.M. Dirks; I. V. Sanislav; M. R. van Ryt; J.-M. Huizenga; T. G. Blenkinsop; S. L. Kolling; S. D. Kwelwa; G. Mwazembe

doi:10.5382/SP.23.08

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Chapter 8: The World-Class Gold Deposits in the Geita Greenstone Belt, Northwestern Tanzania

Author(s)

P.H.G.M. Dirks

Economic Geology Research Centre (EGRU), Townsville 4811, Queensland, Australia

Department of Earth and Environmental Sciences, James Cook University, Townsville 4811, Queensland, Australia

School of Geosciences, University of the Witwatersrand, Wits 2050, Johannesburg, South Africa

^†

Corresponding author: e-mail, paul.dirks@jcu.edu.au

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I. V. Sanislav

Economic Geology Research Centre (EGRU), Townsville 4811, Queensland, Australia

Department of Earth and Environmental Sciences, James Cook University, Townsville 4811, Queensland, Australia

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M. R. van Ryt

Economic Geology Research Centre (EGRU), Townsville 4811, Queensland, Australia

Department of Earth and Environmental Sciences, James Cook University, Townsville 4811, Queensland, Australia

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J.-M. Huizenga

Economic Geology Research Centre (EGRU), Townsville 4811, Queensland, Australia

Department of Earth and Environmental Sciences, James Cook University, Townsville 4811, Queensland, Australia

⁴

Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park 2006, Johannesburg, South Africa

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T. G. Blenkinsop

⁵

School of Earth and Ocean Sciences, Cardiff University, Cardiff CF10 3AT, United Kingdom

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S. L. Kolling

⁶

Geita Gold Mine, Geita, P.O. Box 532, Geita Region, Tanzania

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S. D. Kwelwa

⁶

Geita Gold Mine, Geita, P.O. Box 532, Geita Region, Tanzania

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G. Mwazembe

⁶

Geita Gold Mine, Geita, P.O. Box 532, Geita Region, Tanzania

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Doi:

https://doi.org/10.5382/SP.23.08

Published:

January 01, 2020

Abstract

The Geita mine is operated by AngloGold Ashanti and currently comprises four gold deposits mined as open pits and underground operations in the Geita greenstone belt, Tanzania. The mine produces ~0.5 Moz of gold a year and has produced ~8.3 Moz since 2000, with current resources estimated at ~6.5 Moz, using a lower cut-off of 0.5 g/t.

The geologic history of the Geita greenstone belt involved three tectonic stages: (I) early (2820–2700 Ma) extension (D₁) and formation of the greenstone sequence in an oceanic plateau environment; (II) shortening of the greenstone sequence (2700–2660 Ma) involving ductile folding...

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Chapter 8: The World-Class Gold Deposits in the Geita Greenstone Belt, Northwestern Tanzania

Abstract

Figures & Tables

Contents

Geology of the World’s Major Gold Deposits and Provinces

GeoRef

References

Related

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Chapter 8: The World-Class Gold Deposits in the Geita Greenstone Belt, Northwestern Tanzania

Abstract

Figures & Tables

Contents

Geology of the World’s Major Gold Deposits and Provinces

GeoRef

References

Related

Citing Books via

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