Search Results - "Jonasson, Ian R"

The world-class Howard’s Pass SEDEX Zn-Pb district, Selwyn Basin, Yukon. Part II: the roles of thermochemical and bacterial sulfate reduction in metal fixation by Gadd, Michael G., Layton-Matthews, Daniel, Peter, Jan M., Paradis, Suzanne, Jonasson, Ian R.

“…The Howard’s Pass district of sedimentary exhalative (SEDEX) Zn-Pb deposits is located in Yukon Territory and comprises 14 Zn-Pb deposits that contain an…”
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Controls on magmatism in an island arc environment: study of lavas and sub-arc xenoliths from the Tabar–Lihir–Tanga–Feni island chain, Papua New Guinea by Kamenov, George D., Perfit, Michael R., Mueller, Paul A., Jonasson, Ian R.

“…The Tabar–Lihir–Tanga–Feni (TLTF) islands of Papua New Guinea mainly comprise high-K calc-alkaline and silica undersaturated alkaline rocks that have…”
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Highly Siderophile Elements (Re, Au and PGE) in Porphyry Deposits and Their Mantle Origins by Sinclair, W. David, Jonasson, Ian R.

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Submarine gold mineralization near Lihir Island, New Ireland fore-arc, Papua New Guinea by Petersen, Sven, Herzig, Peter M, Hannington, Mark D, Jonasson, Ian R, Arribas, Jr

“…Gold-rich siliceous veins with disseminated polymetallic sulphides and pyritic stockwork mineralization have been recovered from the top of Conical seamount, ∼…”
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Hydrothermal precipitates associated with bimodal volcanism in the Central Bransfield Strait, Antarctica by Petersen, Sven, Herzig, Peter M., Schwarz-Schampera, Ulrich, Hannington, Mark D., Jonasson, Ian R.

“…Polymetallic sulfide-sulfate mineralization enriched in Pb-Ag-As-Sb-Hg occurs in the Bransfield Strait, a late Tertiary-Quaternary marginal basin close to the…”
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An Eburnean base metal source for sediment-hosted zinc-lead deposits in Neoproterozoic units of Namibia: Lead isotopic and geochemical evidence by Frimmel, Hartwig E, Jonasson, Ian R, Mubita, Petronella

“…The lead isotopic composition of galena from the Neoproterozoic sediment-hosted Zn-Pb sulphide deposit at Rosh Pinah and the oxidised Zn deposit at Skorpion in…”
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Silicon-bearing zoned magnetite crystals and the evolution of hydrothermal fluids at the Ansil Cu-Zn mine, Rouyn-Noranda, Quebec by Westendorp, Raymond W, Watkinson, David H, Jonasson, Ian R

“…This massive sulphide deposit has 1.58 mt of 7.2% Cu, 0.9% Zn, 26 g/t Ag and 1.6 g/t Au. Also it has 300 000 mt of magnetite. This study investigates the…”
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Sulfur isotope evidence for magmatic contributions to submarine and subaerial gold mineralization; Conical Seamount and the Ladolam gold deposit, Papua New Guinea by Gemmell, J. Bruce, Sharpe, Robina, Jonasson, Ian R, Herzig, Peter M

“…Conical seamount is a submarine alkali basalt volcano situated 10 km S of Lihir Island in the Tabar-Feni island chain, Papua New Guinea. Polymetallic…”
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High-precision Pb isotope measurements reveal magma recharge as a mechanism for ore deposit formation: Examples from Lihir Island and Conical seamount, Papua New Guinea by Kamenov, George D., Perfit, Michael R., Jonasson, Ian R., Mueller, Paul A.

“…Lihir Island, part of the Tabar–Lihir–Tanga–Feni island chain in the SW Pacific, hosts the giant Ladolam gold deposit. Polymetallic gold mineralization also…”
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