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Akademický článek

Kivilompolo Mo mineralization in the Peräpohja belt revisited: Trace element geochemistry and Re-Os dating of molybdenite

Autor: Jukka-Pekka Ranta, Eero Hanski, Holly Stein, Matthew Goode, Timo Mäki, Atte Taivalkoski

Publikováno v: Bulletin of the Geological Society of Finland, Vol 92, Iss 2, Pp 131-150 (2020)

The Kivilompolo molybdenite occurrence is located in the northern part of the Peräpohja belt, within the lithodemic Ylitornio nappe complex. It is hosted within a deformed porphyritic granite belonging to the pre-orogenic 1.99 Ga Kierovaara suite. T

Externí odkaz: https://doaj.org/article/1a481704ccc340af9b22956e7619c8af

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Slow and Steady or Episodically Catastrophic? Timescales and Processes for Hydrocarbon and Metallic Resource Development

Autor: Holly Stein, Judith Hannah, Niels Rameil, Jon Halvard Pedersen

A range of geochemical data has been used to navigate the complexity of systems that build critical energy resources. Society’s need for hydrocarbons and metals are among these resources. However, petroleum and ore deposits are traditionally studie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8b20d19ded9acc9d4bd9d4e40685ca2
https://doi.org/10.5194/egusphere-egu22-5712

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Degradation of mercury (Hg) signals on incipient weathering refines use of Hg as a volcanic paleoproxy

Autor: Junhee Park, Holly Stein, Svetoslav Georgiev, Judith Hannah

Perceived mercury (Hg) enrichments and elevated ratios of Hg to total organic carbon (Hg/TOC) in sedimentary rocks have often been linked to volcanism from large igneous provinces (LIPs) and mass extinctions, prompting the hypothesis that elevated Hg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::58b1d3548c6fb30254399805b85c4342
https://doi.org/10.5194/egusphere-egu22-5955

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Akademický článek

Geochronology of Hydrothermal Processes Leading to the Formation of the Au–U Mineralization at the Rompas Prospect, Peräpohja Belt, Northern Finland: Application of Paired U–Pb Dating of Uraninite and Re–Os Dating of Molybdenite to the Identification of Multiple Hydrothermal Events in a Metamorphic Terrane

Autor: Ferenc Molnár, Hugh O’Brien, Holly Stein, Nick D. J. Cook

Publikováno v: Minerals, Vol 7, Iss 9, p 171 (2017)

The Peräpohja belt comprises a greenschist to amphibolite facies; multiply-folded supracrustal sequence of quartzites; mafic volcanics; carbonate rocks; black shales; mica schists and greywackes deposited from ca. 2.44 Ga to 1.92 Ga; during protract

Externí odkaz: https://doaj.org/article/d06b20a126cc4248870b6efa5d28e649

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How Two Unassuming Elements, Re and Os, Assumed Acclaim in the Geosciences

Autor: Holly Stein

Re and Os (rhenium and osmium) are chalcophile-siderophile elements (transition metals) with a unique position in isotope geochemistry. Unlike other commonly used decay schemes for radiometric dating, these metals take residency in resource-related m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25f0bee565ea86e1cdf1a944c07ca802
https://doi.org/10.5194/egusphere-egu21-13563

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