Articles with "mafic ultramafic" as a keyword



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Magma generation and sulfide saturation of Permian mafic-ultramafic intrusions from the western part of the Northern Tianshan in NW China: implications for Ni-Cu mineralization

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Published in 2019 at "Mineralium Deposita"

DOI: 10.1007/s00126-019-00890-8

Abstract: Compared to Permian magmatic Ni-Cu sulfide deposits in the eastern part of the Northern Tianshan, such as Huangshan and Huangshandong, those in the western part (e.g., Baixintan and Lubei) are poorly documented. Zircon ID-TIMS U-Pb… read more here.

Keywords: part; mafic ultramafic; northern tianshan; western part ... See more keywords
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Petrogenesis of Late Carboniferous-Early Permian mafic-ultramafic-felsic complexes in the eastern Central Tianshan, NW China: The result of subduction-related transtension?

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Published in 2021 at "Gondwana Research"

DOI: 10.1016/j.gr.2021.03.007

Abstract: Abstract Knowledge of the Late Paleozoic accretionary processes responsible for the Altaids (or southern Central Asian Orogenic Belt) is critical for a better understanding of continental growth in Central Asia. Here, we systematic study the… read more here.

Keywords: late carboniferous; mafic ultramafic; subduction; central tianshan ... See more keywords
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Petrogenesis and tectonic implications of the neoproterozoic mafic-ultramafic rocks in the western Jiangnan Orogen: Insights from in situ analysis of clinopyroxenes

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Published in 2021 at "Lithos"

DOI: 10.1016/j.lithos.2021.106156

Abstract: Abstract The Huaqiao clinopyroxenite and Maodu gabbro are Neoproterozoic mafic-ultramafic rocks located in the western Jiangnan Orogen. Both rocks contain fresh clinopyroxenes. The in situ analysis of fresh clinopyroxenes from these rocks provides essential information… read more here.

Keywords: huaqiao clinopyroxenite; neoproterozoic mafic; ppm; ultramafic rocks ... See more keywords
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Highly Siderophile Elements distribution, Os-S isotope systematics and U-Pb dating of mafic-ultramafic-hosted massive sulphide deposits (Southern Urals) – Implications on the sources of metals

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Published in 2017 at "Ore Geology Reviews"

DOI: 10.1016/j.oregeorev.2017.03.026

Abstract: Abstract The behaviour of Highly Siderophile Elements (HSEs), including the Platinum Group Elements (PGEs), Re and Au, is still poorly known in hydrothermal systems due to their low concentrations in hydrothermal fluids and related ore… read more here.

Keywords: systematics; sulphide deposits; mafic ultramafic; massive sulphide ... See more keywords
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Extensional episodes in the Paleoproterozoic Capricorn Orogen, Western Australia, revealed by petrogenesis and geochronology of mafic–ultramafic rocks

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Published in 2018 at "Precambrian Research"

DOI: 10.1016/j.precamres.2017.12.015

Abstract: Abstract Extensional episodes in Precambrian orogens are often difficult to decipher because of subsequent orogenesis and intracontinental reworking. Here, we use geochemical and geochronological constraints of a suite of preserved mafic–ultramafic rocks in the Paleoproterozoic… read more here.

Keywords: mafic ultramafic; ultramafic rocks; bryah sub; trillbar complex ... See more keywords
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Age and nature of the Jurassic–Early Cretaceous mafic and ultramafic rocks from the Yilashan area, Bangong–Nujiang suture zone, central Tibet: implications for petrogenesis and tectonic Evolution

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Published in 2018 at "International Geology Review"

DOI: 10.1080/00206814.2017.1385033

Abstract: ABSTRACT The Jurassic–Early Cretaceous Yilashan mafic–ultramafic complex is located in the middle part of the Bangong–Nujiang suture zone, central Tibet. It features a mantle sequence composed of peridotites and a crustal sequence composed of cumulate… read more here.

Keywords: early cretaceous; mafic ultramafic; yilashan mafic; bangong nujiang ... See more keywords
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A slab break-off model for mafic–ultramafic igneous complexes in the East Kunlun Orogenic Belt, northern Tibet: insights from early Palaeozoic accretion related to post-collisional magmatism

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Published in 2019 at "International Geology Review"

DOI: 10.1080/00206814.2018.1501618

Abstract: ABSTRACT The East Kunlun Orogenic Belt (EKOB) in northern Tibet provides an important record of the amalgamation of the Wanbaogou oceanic basalt plateau and the Qaidam Block. Here we report geochemical, geochronological, and Hf isotopic… read more here.

Keywords: mafic ultramafic; northern tibet; east kunlun; igneous complexes ... See more keywords
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Petrogenesis and Ni-Cu exploration potential of Devonian mafic–ultramafic intrusions in the southern part of the Central Asian Orogenic Belt, NW China: constraints from zircon O isotopes and whole-rock Sr-Nd isotopes

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Published in 2021 at "International Geology Review"

DOI: 10.1080/00206814.2021.1934739

Abstract: Weakly disseminated sulphide mineralization is present in the outcrops of several mafic–ultramafic intrusions in the Beishan region of the Central Asian Orogenic Belt in western China, but the pote... read more here.

Keywords: mafic ultramafic; orogenic belt; central asian; ultramafic intrusions ... See more keywords
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High Temperature Reduced Granulite-Facies Nature of Garnetites in the Khabarny Mafic–Ultramafic Massif, Southern Urals: Evidence from Fluid and Mineral Analyses

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Published in 2020 at "Journal of Petrology"

DOI: 10.1093/petrology/egaa066

Abstract: High-grade metamorphic rocks underlying the intrusive layered dunite–pyroxenite–gabbronorite East-Khabarny Complex (EKC) are integrated in the complex Khabarny mafic–ultramafic Massif in the Sakmara Allochthon zone in the Southern Urals. These rocks are associated with hightemperature shear… read more here.

Keywords: petrology; temperature; mafic ultramafic; granulite facies ... See more keywords
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Mg–Sr–Nd Isotopic Insights into Petrogenesis of the Xiarihamu Mafic–Ultramafic Intrusion, Northern Tibetan Plateau, China

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Published in 2021 at "Journal of Petrology"

DOI: 10.1093/petrology/egaa113

Abstract: To characterize the integrated magmatic processes for magma plumbing systems from mantle sources to magma chambers, we present Mg–Sr–Nd isotopic data for a representative mafic–ultramafic intrusion in Xiarihamu, northern Tibetan Plateau, China. The intrusion hosts… read more here.

Keywords: 87sr 86sr; high 87sr; magma; mafic ultramafic ... See more keywords
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Transformation of low molecular weight organic acids by microbial endoliths in subsurface mafic and ultramafic igneous rock.

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Published in 2022 at "Environmental microbiology"

DOI: 10.1111/1462-2920.16041

Abstract: A growing body of work indicates that continental subsurface rocks host a substantial portion of the Earth's biosphere. However, the activities of microbial cells inhabiting pore spaces and microfractures in subsurface rocks remain underexplored. Here,… read more here.

Keywords: subsurface; rock; mafic ultramafic; ultramafic igneous ... See more keywords