Results 181 to 190 of about 210,813 (245)

The Elura Ag-Pb-Zn mine in Australia; ore genesis in a slate belt by syndeformational metasomatism along hydrothermal fluid conduits

, 1989
The Ag-Pb-Zn ore deposit at the Elura mine, New South Wales, Australia, is situated in a Devonian slate belt and essentially consists of two vertically elongated, ellipsoidal bodies of massive sulfide.
J. A. de Roo
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Metasomatism of oceanic gabbros by late stage melts and hydrothermal fluids: Evidence from the rare earth element composition of amphiboles

, 2001
We report new compositional and textural observations on amphiboles hosted in oceanic gabbros recovered from the slow spreading Mid‐Atlantic (MARK area) and Southwest Indian (Hole 735B) ridges and the fast spreading East Pacific Rise (Hess Deep) in an ...
K. M. Gillis, Peter S Meyer
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A fluid inclusion study of the Tourmaline Hill Granite, Umberatana, South Australia: Implications for hydrothermal activity and wallrock metasomatism

Mineralogy and Petrology, 1987
Homogenization temperatures and salinity data are documented for fluid inclusions present in quartz from a Palaeozoic alkaline to peralkaline granite intrusion. A wide range of salinities (3.8 to 60.6 wt% NaCl equivalent) and homogenization temperatures (25.8 to 537 °C) indicates a sequential entrapment of different fluids, whereby the detected ...
Bernd G. Lottermoser
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Pumpellyosite and prehnitite associated with epidosite in the Josephine ophiolite—Ca metasomatism during upwelling of hydrothermal fluids at a spreading axis

, 1995
Gregory D. Harper
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Hydrothermal metasomatism and solid-phase transfer in petrogenesis of listvenite: the Meso-Tethyan ophiolite, central Tibet, China

Contributions to Mineralogy and Petrology, 2022
Chen Ji, Kai‐Jun Zhang, Lilong Yan
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Rare earth element metasomatism in hydrothermal systems: the Willsboro-Lewis wollastonite ores, New York, USA

Geochimica et Cosmochimica Acta, 1998
Abstract Wollastonite ores and garnet-pyroxene skarns in the Willsboro-Lewis district, New York, USA were formed in a complex hydrothermal system associated with the emplacement of a large anorthosite pluton. Contact-metamorphic marbles were replaced by wollastonite, garnet, and clinopyroxene during infiltration metasomatism involving large volumes ...
James F. Olmsted, Philip R. Whitney
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The Role of Hydrogen - Metasomatism in the Hydrothermal Kaolin Occurrences, Gönen, Western Turkey

Key Engineering Materials, 2004
Ş. Ali Sayin
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Mesoproterozoic and Paleozoic hydrothermal metasomatism in the giant Bayan Obo REE-Nb-Fe deposit: Constrains from trace elements and Sr-Nd isotope of fluorite and preliminary thermodynamic calculation

Precambrian Research, 2018
Shang Liu, Hong‐Rui Fan, Kui‐Feng Yang, Fangfang Hu, Kaiyi Wang, Fukun Chen, Yue‐Heng Yang, Zhanfeng Yang, Qiwei Wang   +8 more
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Archean abiogenic and probable biogenic structures associated with mineralized hydrothermal vent systems and regional metasomatism, with implications for greenstone belt studies

, 1982
Abiogenic structures, formed by fluid emission in subaerial mud pools and nearby stromatolites, from stratigraphically related carbonate sediments, occur in the southern part of the approximately 3.3 to 3.5-b.y.-old Barberton greenstone belt.
Maarten J. de Wit, Roger Hart, Anthony Martin, Paul V. Abbott   +3 more
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Competitive hydration and dehydration at olivine–quartz boundary revealed by hydrothermal experiments: Implications for silica metasomatism at the crust–mantle boundary

, 2015
Ryosuke Oyanagi, Atsushi Okamoto, Nobuo Hirano, Noriyoshi Tsuchiya   +3 more
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