S. A. McKeag scite author profile

The quartz-gold-stibnite-bearing Consolidated Lode at Nenthorn, eastern Otago, contains abundant prismatic quartz crystals and hydrothermal breccia. Fluid inclusion data imply that boiling occurred during mineral deposition at about 190°C at very shallow levels, possibly within 120 m of the surface. This type of vein system may be common in eastern Otago. Gold may be found beneath Sb and/or Hg deposits formed by similar near-surface hydrothermal activity.

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Petrogenesis of a Neoproterozoic magmatic arc hosting porphyry Cu-Au mineralization at Jebel Ohier in the Gebeit Terrane, NE Sudan

Bierlein

Reynolds²,

Arne³

et al. 2016

Ore Geology Reviews

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The Jebel Ohier deposit—a newly discovered porphyry copper–gold system in the Neoproterozoic Arabian–Nubian Shield, Red Sea Hills, NE Sudan

Bierlein

McKeag²,

Reynolds³

et al. 2015

Miner Deposita

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Structural control of tertiary Au-Ag-bearing breccias in an extensional environment, Nelson area, Southern Nevada, USA

Craw

McKeag

1995

Mineral. Deposita

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S. A. McKeag

Contrasting fluids in gold-bearing quartz vein systems formed progressively in a rising metamorphic belt; Otago Schist, New Zealand

Origin and deposition of a graphitic schist-hosted metamorphogenic Au-W deposit, Macraes, East Otago, New Zealand

Near-surface hydrothermal activity in the eastern Otago schist (Note)

Petrogenesis of a Neoproterozoic magmatic arc hosting porphyry Cu-Au mineralization at Jebel Ohier in the Gebeit Terrane, NE Sudan

The Jebel Ohier deposit—a newly discovered porphyry copper–gold system in the Neoproterozoic Arabian–Nubian Shield, Red Sea Hills, NE Sudan

Structural control of tertiary Au-Ag-bearing breccias in an extensional environment, Nelson area, Southern Nevada, USA

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