Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits

Marco Fiorentini; S.W. Beresford; Mark Barley

Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits

Marco Fiorentini, S.W. Beresford, Mark Barley

Graduate Research School

Research output: Contribution to journal › Article › peer-review

Abstract

Albion Downs is a structural domain within the Agnew-Wiluna Greenstone Belt of Western Australia, which contains one of the most highly Ni-endowed komatiite sequences in the world. Albion Downs comprises adcumulate-textured pods and lenses, which are flanked by thinner meso- and orthocumulate-textured units. Basal massive nickel-sulphide mineralisation (e.g. Jericho) generally occurs in the thinner meso- and orthocumulate-textured units, whereas stratabound disseminated nickel-sulphide mineralisation (e.g. Jordan) is hosted in the largest adcumulate-textured pod. After reaching sulphide-saturation, basal massive sulphides formed in settings where magma flow was less fast and turbulent than in channels. Conversely, in channellike settings sulphide blebs were entrained in the flow, thus forming disseminated sulphides. Platinum-group element lithogeochemistry indicates that the signature associated with the oreforming process is only recorded

Original language	English
Pages (from-to)	152-166
Journal	TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE
Volume	116
Issue number	4
Publication status	Published - 2007

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Fiorentini, M., Beresford, S. W., & Barley, M. (2007). Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits. TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE, 116(4), 152-166.

Fiorentini, Marco ; Beresford, S.W. ; Barley, Mark. / Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits. In: TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE. 2007 ; Vol. 116, No. 4. pp. 152-166.

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title = "Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits",

abstract = "Albion Downs is a structural domain within the Agnew-Wiluna Greenstone Belt of Western Australia, which contains one of the most highly Ni-endowed komatiite sequences in the world. Albion Downs comprises adcumulate-textured pods and lenses, which are flanked by thinner meso- and orthocumulate-textured units. Basal massive nickel-sulphide mineralisation (e.g. Jericho) generally occurs in the thinner meso- and orthocumulate-textured units, whereas stratabound disseminated nickel-sulphide mineralisation (e.g. Jordan) is hosted in the largest adcumulate-textured pod. After reaching sulphide-saturation, basal massive sulphides formed in settings where magma flow was less fast and turbulent than in channels. Conversely, in channellike settings sulphide blebs were entrained in the flow, thus forming disseminated sulphides. Platinum-group element lithogeochemistry indicates that the signature associated with the oreforming process is only recorded",

author = "Marco Fiorentini and S.W. Beresford and Mark Barley",

year = "2007",

language = "English",

volume = "116",

pages = "152--166",

journal = "TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE",

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Fiorentini, M, Beresford, SW & Barley, M 2007, 'Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits', TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE, vol. 116, no. 4, pp. 152-166.

Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits. / Fiorentini, Marco; Beresford, S.W.; Barley, Mark.
In: TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE, Vol. 116, No. 4, 2007, p. 152-166.

Research output: Contribution to journal › Article › peer-review

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AB - Albion Downs is a structural domain within the Agnew-Wiluna Greenstone Belt of Western Australia, which contains one of the most highly Ni-endowed komatiite sequences in the world. Albion Downs comprises adcumulate-textured pods and lenses, which are flanked by thinner meso- and orthocumulate-textured units. Basal massive nickel-sulphide mineralisation (e.g. Jericho) generally occurs in the thinner meso- and orthocumulate-textured units, whereas stratabound disseminated nickel-sulphide mineralisation (e.g. Jordan) is hosted in the largest adcumulate-textured pod. After reaching sulphide-saturation, basal massive sulphides formed in settings where magma flow was less fast and turbulent than in channels. Conversely, in channellike settings sulphide blebs were entrained in the flow, thus forming disseminated sulphides. Platinum-group element lithogeochemistry indicates that the signature associated with the oreforming process is only recorded

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Fiorentini M, Beresford SW, Barley M. Controls on the genesis and emplacement of komatiite-hosted Ni-Cu-PGE-sulphides at Albion Downs (Agnew-Wiluna Belt, Western Australia): a case study on the development of PGE lithogeochemical vectors to Ni-Cu-PGE-sulphide deposits. TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY. SECTION B: APPLIED EARTH SCIENCE. 2007;116(4):152-166.