Platinum-group elements in southern Africa: mineral inventory and an assessment of undiscovered mineral resources

Abstract

Box plots and comparison circles for average platinum, palladium, rhodium, and gold grade of Merensky Reef mineral resource blocks located in the eastern, northwestern, and southwestern limbs of the Bushveld Complex, South Africa ............43 29. Box plots and comparison circles for average platinum, palladium, rhodium, and gold grade of UG2 Chromitite mineral resource blocks located in the eastern, northwestern, and southwestern limbs of the Bushveld Complex, South Africa ............44 30. Map of the Merensky Reef in western and eastern limbs of the Bushveld Complex, showing surface projection of mined portion of reef (mined out), portion for which exploration data is sufficient to calculate mineral inventory (resource block), and projection of where reef may extend to a depth of 3 km ..

A quantitative analysis of the efficiency of solar-driven water-splitting device designs based on tandem photoabsorbers patterned with islands of metallic electrocatalysts

“…At f c = 0.010, the cost of 2 nm of Pt is ~ 0.017 $ m -2 . In contrast, for an IrO x coatedphotoanode with a loading of 10 g m -2 (typical PEM electrolyzer loading) and with f c = 0.010, ~10 7 kg of Ir would be required to meet a 10 TW p deployment level, as compared to the estimated 10 6 kg global resource base of Ir 34. …”

Sulfide-silicate textures in magmatic Ni-Cu-PGE sulfide ore deposits: Disseminated and net-textured ores

“…Magmatic sulfide ore deposits account for some of the world's most valuable metal accumulations, currently accounting for ~56% of the world's nickel production and over 96% of supply of platinum, palladium and the other platinum group elements (Mudd and Jowitt, 2014;Zientek et al, 2014;Peck and Huminicki, 2016). They form by the accumulation of immiscible sulfide liquid that has scavenged chalcophile elements from a coexisting silicate magma, in a variety of settings:…”

The mineralogy and mineral associations of platinum-group elements and precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex

“…The Rustenburg Layered Suite (RLS) of the Bushveld Complex hosts ~75% of the o ld s PGE resources i so e of the o ld s la gest magmatic sulphide deposits (Lee, 1996;Zientek et al, 2014). The RLS has been dated to 2055.91±0.26 Ma (Zeh et al, 2015) and is a series of mafic-ultramafic units, capped by the Bushveld Granites (Cawthorn, 1999;Eales and Cawthorn, 1996).…”