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Robert B. Trumbull
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Journal Article

Tourmaline Breccias from the Río Blanco-Los Bronces Porphyry Copper District, Chile: Constraints on the Fluid Source and the Utility of Tourmaline Composition for Exploration

Michael Hohf, Robert B. Trumbull, Patricio Cuadra, Marco Solé
Journal: Economic Geology
Published: 01 June 2023
Economic Geology (2023) 118 (4): 779–800.
DOI: https://doi.org/10.5382/econgeo.4991
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View PDF for article title, Tourmaline Breccias from the Río Blanco-Los Bronces Porphyry Copper District, Chile: Constraints on the Fluid Source and the Utility of Tourmaline Composition for Exploration
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Journal Article

The Chemical and B-Isotope Composition of Tourmaline from Intra-Granitic Pegmatites in the Las Chacras-Potrerillos Batholith, Argentina

Enrico Ribacki, Robert B. Trumbull, Mónica G. López de Luchi, Uwe Altenberger
Published: 22 February 2022
The Canadian Mineralogist (2022) 60 (1): 49–66.
DOI: https://doi.org/10.3749/canmin.2100036
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View PDF for article title, The Chemical and B-Isotope Composition of Tourmaline from Intra-Granitic Pegmatites in the Las Chacras-Potrerillos Batholith, Argentina
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Journal Article

Chemical and boron isotope composition of tourmaline from pegmatites and their host rocks, Sierra de San Luis, Argentina

Teresita Montenegro, Julieta Wul, Mónica López de Luchi, Enrico Ribacki, Robert B. Trumbull
Published: 29 July 2021
The Canadian Mineralogist (2021) 59 (3): 467–494.
DOI: https://doi.org/10.3749/canmin.2000072
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View PDF for article title, Chemical and boron isotope composition of tourmaline from pegmatites and their host rocks, Sierra de San Luis, Argentina
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Journal Article

Contamination of the Bushveld Complex (South Africa) magmas by basinal brines: Stable isotopes in phlogopite from the UG2 chromitite

Haoyang Zhou, Robert B. Trumbull, Ilya V. Veksler, Ilya N. Bindeman, Johannes Glodny, Felix E.D. Kaufmann, Dieter Rammlmair
Journal: Geology
Published: 12 July 2021
Geology (2021) 49 (11): 1272–1276.
DOI: https://doi.org/10.1130/G49173.1
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View PDF for article title, Contamination of the Bushveld Complex (South Africa) magmas by basinal brines: Stable isotopes in phlogopite from the UG2 chromitite
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Journal Article

Mineralogical and Isotopic Characteristics of Sodic-Calcic Alteration in the Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu Systems

Kevin Byrne, Robert B. Trumbull, Guillaume Lesage, Sarah A. Gleeson, John Ryan, Kurt Kyser, Robert G. Lee
Journal: Economic Geology
Published: 01 June 2020
Economic Geology (2020) 115 (4): 841–870.
DOI: https://doi.org/10.5382/econgeo.4740
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View PDF for article title, Mineralogical and Isotopic Characteristics of Sodic-Calcic Alteration in the Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu Systems
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Journal Article

Chemical and textural relations of britholite- and apatite-group minerals from hydrothermal REE mineralization at the Rodeo de los Molles deposit, Central Argentina

Melanie Lorenz, Uwe Altenberger, Robert B. Trumbull, Raúl Lira, Mónica López de Luchi, Christina Günter, Sascha Eidner
Published: 01 December 2019
American Mineralogist (2019) 104 (12): 1840–1850.
DOI: https://doi.org/10.2138/am-2019-6969
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View PDF for article title, Chemical and textural relations of britholite- and apatite-group minerals from hydrothermal REE mineralization at the Rodeo de los Molles deposit, Central Argentina
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Journal Article

Variations in Composition, Texture, and Platinum Group Element Mineralization in the Lower Group and Middle Group Chromitites of the Northwestern Bushveld Complex, South Africa

Felix E.D. Kaufmann, Marie C. Hoffmann, Kai Bachmann, Ilya V. Veksler, Robert B. Trumbull, Lutz Hecht
Journal: Economic Geology
Published: 01 May 2019
Economic Geology (2019) 114 (3): 569–590.
DOI: https://doi.org/10.5382/econgeo.4641
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View PDF for article title, Variations in Composition, Texture, and Platinum Group Element Mineralization in the Lower Group and Middle Group Chromitites of the Northwestern Bushveld Complex, South Africa
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Journal Article

Boron Isotope Muscovite-Tourmaline Geothermometry Indicates Fluid Cooling During Magmatic-Hydrothermal W-Sn Ore Formation

Marta S. Codeço, Philipp Weis, Robert B. Trumbull, Johannes Glodny, Michael Wiedenbeck, Rolf L. Romer
Journal: Economic Geology
Published: 01 February 2019
Economic Geology (2019) 114 (1): 153–163.
DOI: https://doi.org/10.5382/econgeo.2019.4625
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View PDF for article title, Boron Isotope Muscovite-Tourmaline Geothermometry Indicates Fluid Cooling During Magmatic-Hydrothermal W-Sn Ore Formation
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Journal Article

Fluor-elbaite, lepidolite and Ta–Nb oxides from a pegmatite of the 3000 Ma Sinceni Pluton, Swaziland: evidence for lithium–cesium–tantalum (LCT) pegmatites in the Mesoarchean

Edward S. Grew, Ferdinando Bosi, Linus Ros, Per Kristiansson, Mickey E. Gunter, Ulf Hålenius, Robert B. Trumbull, Martin G. Yates
Published: 01 March 2018
European Journal of Mineralogy (2018) 30 (2): 205–218.
DOI: https://doi.org/10.1127/ejm/2017/0029-2686
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View PDF for article title, Fluor-elbaite, lepidolite and Ta–Nb oxides from a pegmatite of the 3000 Ma Sinceni Pluton, Swaziland: evidence for lithium–cesium–tantalum (LCT) pegmatites in the Mesoarchean
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Journal Article

An experimental approach to quantify the effect of tetrahedral boron in tourmaline on the boron isotope fractionation between tourmaline and fluid

Martin Kutzschbach, Bernd Wunder, Robert B. Trumbull, Alexander Rocholl, Anette Meixner, Wilhelm Heinrich
Published: 01 December 2017
American Mineralogist (2017) 102 (12): 2505–2511.
DOI: https://doi.org/10.2138/am-2017-6127
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View PDF for article title, An experimental approach to quantify the effect of tetrahedral boron in tourmaline on the boron isotope fractionation between tourmaline and fluid
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Journal Article

Helium isotope evidence for a deep-seated mantle plume involved in South Atlantic breakup

Nicole A. Stroncik, Robert B. Trumbull, Marc-Sebastian Krienitz, Samuel Niedermann, Rolf L. Romer, Chris Harris, James Day, M.D.
Journal: Geology
Published: 10 July 2017
Geology (2017) 45 (9): 827–830.
DOI: https://doi.org/10.1130/G39151.1
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View PDF for article title, Helium isotope evidence for a deep-seated mantle plume involved in South Atlantic breakup
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Journal Article

Tourmaline as a Recorder of Ore-Forming Processes

John F. Slack, Robert B. Trumbull
Journal: Elements
Published: 01 October 2011
Elements (2011) 7 (5): 321–326.
DOI: https://doi.org/10.2113/gselements.7.5.321
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View PDF for article title, Tourmaline as a Recorder of Ore-Forming Processes
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Journal Article

Fluid sources and metallogenesis in the Blackbird Co–Cu–Au–Bi–Y–REE district, Idaho, U.S.A.: insights from major-element and boron isotopic compositions of tourmaline

Robert B. Trumbull, John F. Slack, Marc-Sebastian Krienitz, Harvey E. Belkin, Michael Wiedenbeck
Published: 01 February 2011
The Canadian Mineralogist (2011) 49 (1): 225–244.
DOI: https://doi.org/10.3749/canmin.49.1.225
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View PDF for article title, Fluid sources and metallogenesis in the Blackbird Co–Cu–Au–Bi–Y–REE district, Idaho, U.S.A.: insights from major-element and boron isotopic compositions of tourmaline
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Journal Article

Assessment of Tourmaline Compositions as an Indicator of Emerald Mineralization at the Tsa da Glisza Prospect, Yukon Territory, Canada

Christopher G. Galbraith, D. Barrie Clarke, Robert B. Trumbull, Michael Wiedenbeck
Journal: Economic Geology
Published: 01 August 2009
Economic Geology (2009) 104 (5): 713–731.
DOI: https://doi.org/10.2113/gsecongeo.104.5.713
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View PDF for article title, Assessment of Tourmaline Compositions as an Indicator of Emerald Mineralization at the Tsa da Glisza Prospect, Yukon Territory, Canada
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Journal Article

Chemical and boron isotopic composition of hydrothermal tourmaline from scheelite-quartz veins at Nezamabad, western Iran

Dariush Esmaeily, Robert B. Trumbull, Mastaneh Haghnazar, Marc-Sebastian Krienitz, Michael Wiedenbeck
Published: 01 April 2009
European Journal of Mineralogy (2009) 21 (2): 347–360.
DOI: https://doi.org/10.1127/0935-1221/2009/0021-1908
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View PDF for article title, Chemical and boron isotopic composition of hydrothermal tourmaline from scheelite-quartz veins at Nezamabad, western Iran
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Journal Article

Tourmaline B-isotopes fingerprint marine evaporites as the source of high-salinity ore fluids in iron oxide copper-gold deposits, Carajás Mineral Province (Brazil)

Roberto Perez Xavier, Michael Wiedenbeck, Robert B. Trumbull, Ana M. Dreher, Lena V.S. Monteiro, Dieter Rhede, Carlos E.G. de Araújo, Ignacio Torresi
Journal: Geology
Published: 01 September 2008
Geology (2008) 36 (9): 743–746.
DOI: https://doi.org/10.1130/G24841A.1
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View PDF for article title, Tourmaline B-isotopes fingerprint marine evaporites as the source of high-salinity ore fluids in iron oxide copper-gold deposits, Carajás Mineral Province (Brazil)
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Journal Article

Magmatism and continental breakup at the west margin of southern Africa: A geochemical comparison of dolerite dikes from northwestern Namibia and the Western Cape

Robert B. Trumbull, David L. Reid, Coenraad de Beer, David van Acken, Rolf L. Romer
Published: 01 September 2007
South African Journal of Geology (2007) 110 (2-3): 477–502.
DOI: https://doi.org/10.2113/gssajg.110.2-3.477
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View PDF for article title, Magmatism and continental breakup at the west margin of southern Africa: A geochemical comparison of dolerite dikes from northwestern Namibia and the Western Cape
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Journal Article

THE BEHAVIOR OF RARE-EARTH AND LITHOPHILE TRACE ELEMENTS IN RARE-METAL GRANITES: A STUDY OF FLUORITE, MELT INCLUSIONS AND HOST ROCKS FROM THE KHANGILAY COMPLEX, TRANSBAIKALIA, RUSSIA

Elena V. Badanina, Robert B. Trumbull, Peter Dulski, Michael Wiedenbeck, Ilya V. Veksler, Ludmila F. Syritso
Published: 01 June 2006
The Canadian Mineralogist (2006) 44 (3): 667–692.
DOI: https://doi.org/10.2113/gscanmin.44.3.667
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View PDF for article title, THE BEHAVIOR OF RARE-EARTH AND LITHOPHILE TRACE ELEMENTS IN RARE-METAL GRANITES: A STUDY OF FLUORITE, MELT INCLUSIONS AND HOST ROCKS FROM THE KHANGILAY COMPLEX, TRANSBAIKALIA, RUSSIA
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Journal Article

Zr-Nb-REE Mineralization in Peralkaline Granites from the Amis Complex, Brandberg (Namibia): Evidence for Magmatic Pre-enrichment from Melt Inclusions

Axel K. Schmitt, Robert B. Trumbull, Peter Dulski, Rolf Emmermann
Journal: Economic Geology
Published: 01 March 2002
Economic Geology (2002) 97 (2): 399–413.
DOI: https://doi.org/10.2113/gsecongeo.97.2.399
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View PDF for article title, Zr-Nb-REE Mineralization in Peralkaline Granites from the Amis Complex, Brandberg (Namibia): Evidence for Magmatic Pre-enrichment from Melt Inclusions
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Journal Article

On Li-bearing micas; estimating Li from electron microprobe analyses and an improved diagram for graphical representation

Gerhard Tischendorf, Baerbel Gottesmann, Hans-Juergen Foerster, Robert B. Trumbull
Published: 01 December 1997
Mineralogical Magazine (1997) 61 (6): 809–834.
View PDF for article title, On Li-bearing micas; estimating Li from electron microprobe analyses and an improved diagram for graphical representation
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