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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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

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