Chalcophile and siderophile elements in mantle rocks: Trace elements controlled by trace minerals
BACKGROUND Rocks from the Earth's mantle occur in a wide range of geologic settings (1)
as peridotite massifs, now referred to as orogenic peridotites;(2) as spinel-(rarely garnet) …
as peridotite massifs, now referred to as orogenic peridotites;(2) as spinel-(rarely garnet) …
Distribution and processing of highly siderophile elements in cratonic mantle lithosphere
Cratonic lithospheric mantle is composed of predominantly refractory materials that formed
at higher mantle potential temperatures (TP) than recorded in non-cratonic peridotites. It also …
at higher mantle potential temperatures (TP) than recorded in non-cratonic peridotites. It also …
The crystal/melt partitioning of V during mantle melting as a function of oxygen fugacity compared with some other elements (Al, P, Ca, Sc, Ti, Cr, Fe, Ga, Y, Zr and Nb)
G Mallmann, HSC O'Neill - Journal of Petrology, 2009 - academic.oup.com
Vanadium exists in multiple valence states in silicate and oxide systems, namely V2+, V3+,
V4+ and V5+. This special characteristic has been exploited in several ways to estimate the …
V4+ and V5+. This special characteristic has been exploited in several ways to estimate the …
Partitioning of platinum-group elements (PGE) and chalcogens (Se, Te, As, Sb, Bi) between monosulfide-solid solution (MSS), intermediate solid solution (ISS) and …
Y Liu, J Brenan - Geochimica et Cosmochimica Acta, 2015 - Elsevier
In order to better understand the behavior of highly siderophile elements (HSEs: Os, Ir, Ru,
Rh, Pt, Pd, Au, Re), Ag, Pb and chalcogens (As, Se, Sb, Te and Bi) during the solidification of …
Rh, Pt, Pd, Au, Re), Ag, Pb and chalcogens (As, Se, Sb, Te and Bi) during the solidification of …
Interpreting ages from Re–Os isotopes in peridotites
Since the first application of the 187Re–187Os isotope system to determine the timing of
melt extraction from peridotites twenty years ago, a plethora of studies have demonstrated its …
melt extraction from peridotites twenty years ago, a plethora of studies have demonstrated its …
Rhodium, gold and other highly siderophile elements in orogenic peridotites and peridotite xenoliths
The concentrations of Rh, Au and other highly siderophile elements (HSE: Re, Os, Ir, Ru, Pt,
Rh, Pd and Au), and 187Os/188Os isotope ratios have been determined for samples from …
Rh, Pd and Au), and 187Os/188Os isotope ratios have been determined for samples from …
The role of late sulfide saturation in the formation of a Cu-and Au-rich magma: insights from the platinum group element geochemistry of Niuatahi–Motutahi lavas …
Magmas enriched in Cu and Au are likely to be the most prospective for magmatic–
hydrothermal deposits of these metals. However, the mechanism that leads to the formation …
hydrothermal deposits of these metals. However, the mechanism that leads to the formation …
Experimental results on fractionation of the highly siderophile elements (HSE) at variable pressures and temperatures during planetary and magmatic differentiation
The platinum-group elements (PGEs; Os, Ir, Ru, Rh, Pt, Pd), along with rhenium and gold,
are grouped together as the highly siderophile elements (HSEs), defined by their extreme …
are grouped together as the highly siderophile elements (HSEs), defined by their extreme …
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 …
tectonic boundary magmatic processes and are compositionally distinct from mid-oceanic …
Experiments and models bearing on the role of chromite as a collector of platinum group minerals by local reduction
Chromite is widely recognized to act as a collector for platinum group elements (PGE), which
tend to be observed as discrete grains of platinum group minerals included within magmatic …
tend to be observed as discrete grains of platinum group minerals included within magmatic …