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The mineral system approach applied to magmatic Ni–Cu–PGE sulphide deposits
Abstract Most magmatic Ni–Cu–PGE sulphide deposits occur within long-lived magma
pathways fed by high degree partial melts of the mantle. Holistic mineral-system analysis for …
pathways fed by high degree partial melts of the mantle. Holistic mineral-system analysis for …
Precambrian greenstone sequences represent different ophiolite types
H Furnes, Y Dilek, M De Wit - Gondwana research, 2015 - Elsevier
We present here a global geochemical dataset from one hundred-and-five greenstone
sequences, ranging in age from the Eoarchean through the Archean and Proterozoic Eons …
sequences, ranging in age from the Eoarchean through the Archean and Proterozoic Eons …
Thermal history of the Earth and its petrological expression
Non-arc basalts of Archean and Proterozoic age have model primary magmas that exhibit
mantle potential temperatures TP that increase from 1350° C at the present to a maximum …
mantle potential temperatures TP that increase from 1350° C at the present to a maximum …
The geologic time scale
Construction and assembly of the Geologic Time Scale involves:(a) constructing a relative
(chronostratigraphic) standard scale for key periods in the Earth's rock record;(b) identifying …
(chronostratigraphic) standard scale for key periods in the Earth's rock record;(b) identifying …
Two magma series and associated ore deposit types in the Permian Emeishan large igneous province, SW China
The Late Middle Permian (∼ 260 Ma) Emeishan large igneous province in SW China
contains two magmatic series, one comprising high-Ti basalts and Fe-rich gabbroic and …
contains two magmatic series, one comprising high-Ti basalts and Fe-rich gabbroic and …
Sulfide-silicate textures in magmatic Ni-Cu-PGE sulfide ore deposits: Disseminated and net-textured ores
A large proportion of ores in magmatic sulfide deposits consist of mixtures of cumulus
silicate minerals, sulfide liquid, and silicate melt, with characteristic textural relationships that …
silicate minerals, sulfide liquid, and silicate melt, with characteristic textural relationships that …
Incompatible element ratios in oceanic basalts and komatiites: tracking deep mantle sources and continental growth rates with time
KC Condie - Geochemistry, Geophysics, Geosystems, 2003 - Wiley Online Library
Ratios of elements with similar incompatibilities in the mantle can be used to characterize
magma sources through time. Nb/Y and Zr/Y distributions in oceanic basalts support the …
magma sources through time. Nb/Y and Zr/Y distributions in oceanic basalts support the …
Secular mantle oxidation across the Archean-Proterozoic boundary: Evidence from V partitioning in komatiites and picrites
The oxygen fugacities of nine mantle-derived komatiitic and picritic systems ranging in age
from 3.55 Ga to modern day were determined using the redox-sensitive partitioning of V …
from 3.55 Ga to modern day were determined using the redox-sensitive partitioning of V …
Petrogenesis and geochemistry of Archean komatiites
Komatiites are products of decompression melting of mantle so hot that they are almost
exclusively restricted to the Archean. The high degree of partial melting (F) and pressure (P) …
exclusively restricted to the Archean. The high degree of partial melting (F) and pressure (P) …
Central Lapland greenstone belt
E Hanski, H Huhma - Developments in Precambrian geology, 2005 - Elsevier
Publisher Summary This chapter focuses on the Paleoproterozoic rocks, particularly the
Central Lapland greenstone belt, which runs as an almost uninterrupted zone from northern …
Central Lapland greenstone belt, which runs as an almost uninterrupted zone from northern …