Hotspot volcanism and highly siderophile elements

JMD Day - Chemical Geology, 2013‏ - Elsevier
Hotspot volcanic rocks are formed under conditions that differ from conventional plate
tectonic boundary magmatic processes and are compositionally distinct from mid-oceanic …

Porphyry deposits: Characteristics and origin of hypogene features

E Seedorff, JH Dilles, JM Proffett, MT Einaudi… - 2005‏ - pubs.geoscienceworld.org
Porphyry deposits arguably represent the most economically important class of nonferrous
metallic mineral resources. These magmatic-hydrothermal deposits are characterized by …

Mantle-derived magmas and magmatic Ni-Cu-(PGE) deposits

NT Arndt, CM Lesher, GK Czamanske - 2005‏ - pubs.geoscienceworld.org
Abstract Magmatic Fe-Ni-Cu±platinum-group element (PGE) sulfide deposits form when
mantle-derived mafic and ultramafic magmas become saturated in sulfide and segregate …

Siderophile and chalcophile metal variations in flood basalts from the Siberian trap, Noril'sk region: Implications for the origin of the Ni-Cu-PGE sulfide ores

PC Lightfoot, RR Keays - Economic Geology, 2005‏ - pubs.geoscienceworld.org
Abstract The Talnakh, Kharaelakh, and Noril'sk I intrusions of the Noril'sk region are coeval
with the Permo-Triassic Siberian trap flood basalt and contain one of the largest known …

An appraisal of mineral systems associated with Precambrian Large Igneous Provinces of the Indian Shield

AK Samal, RK Srivastava, RE Ernst - Ore Geology Reviews, 2021‏ - Elsevier
Abstract We examined Precambrian Large Igneous Provinces (LIPs) of the Indian Shield for
their economic potential. These include 3 proposed LIP events in the Archean and 12 LIP …

Crustal sulfur is required to form magmatic Ni–Cu sulfide deposits: evidence from chalcophile element signatures of Siberian and Deccan Trap basalts

RR Keays, PC Lightfoot - Mineralium deposita, 2010‏ - Springer
Process models for ore formation in magmatic Ni–Cu–platinum group element (PGE) sulfide
systems require that S saturation is achieved in a mafic–ultramafic magma. Traditional …

Reference materials for geochemical PGE analysis: new analytical data for Ru, Rh, Pd, Os, Ir, Pt and Re by isotope dilution ICP-MS in 11 geological reference …

T Meisel, J Moser - Chemical Geology, 2004‏ - Elsevier
Abundances of Ru, Rh, Pd, Re, Os, Ir and Pt are reported in 11 high-and low-abundance
reference materials (RMs) that are currently in use for platinum group element (PGE) …

Platinum group elements in mantle melts and mantle samples

SJ Barnes, JE Mungall, WD Maier - Lithos, 2015‏ - Elsevier
A large data compilation has been assembled of platinum group element (PGE) analyses in
mantle melts and mantle rocks, the latter including an assortment of xenoliths and obducted …

Platinum group element geochemistry of komatiites from the Alexo and Pyke Hill areas, Ontario, Canada

IS Puchtel, M Humayun, AJ Campbell… - … et Cosmochimica Acta, 2004‏ - Elsevier
Thirty-three whole-rock drill core samples and thirteen olivine, chromite, and sulfide
separates from three differentiated komatiite lava flows at Alexo and Pyke Hill, Canada, were …

Platinum-group elemental and Sr–Nd–Os isotopic geochemistry of Permian Emeishan flood basalts in Guizhou Province, SW China

L Qi, MF Zhou - Chemical Geology, 2008‏ - Elsevier
The 260 Ma Emeishan continental flood basalts (ECFB) occur in SW China and northern
Vietnam. A 550-m-thick sequence of ECFB in Guizhou Province (SW China) is composed of …