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Mount Milligan Deposit

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Series: Reviews in Economic Geology
Published: 01 January 2016
DOI: 10.5382/Rev.18.09
EISBN: 9781629490922
... (as tetradymite) from this deposit type. It is worth noting that some epithermal veins (and spatially or genetically related porphyry deposits) contain high contents of Pt or Pd, or both. The Mount Milligan deposit typically contains >100 ppb Pd, and some values exceed 1,000 ppb. However, owing...
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Journal Article
Journal: Economic Geology
Published: 01 August 2011
Economic Geology (2011) 106 (5): 781-808.
...Darren LeFort; Jacob Hanley; Marcel Guillong Abstract At the Mount Milligan Cu-Au porphyry deposit, Quesnel terrane, British Columbia, Canada, barren and weakly mineralized, late-stage hydrothermal veins occur in volcanic rocks adjacent to zones of Cu-Au porphyry mineralization, and have...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 1005-1033.
...C. Paul Jago; C. Paul Jago; Richard M. Tosdal; David R. Cooke; Anthony C. Harris Abstract The moderately tilted and faulted Early Jurassic Mt. Milligan Au-Cu deposit provides a cross-section view of the hydrothermal alteration, sulfide mineralogy, and geochemical zonation of a silica-saturated...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 859-890.
...-oversaturated deposits in the second group, where intrusions contain >5% magmatic and hydrothermal quartz ( Streckeisen, 1976 ; LeMaitre et al., 1989 ; Lang et al., 1993 , 1995a ; Lang and McClaren, 2003 ). Examples of silica-saturated alkalic deposits include Mount Milligan and Copper Mountain...
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Image
Location and geologic setting of the <b>Mount</b> <b>Milligan</b> property. (A) Map of Br...
Published: 01 August 2011
Fig. 1 Location and geologic setting of the Mount Milligan property. (A) Map of British Columbia showing the Quesnel, Stikinia, Wrangelia, and Cache Creek terranes and several alkalic porphyry Cu-Au deposits. Mount Milligan is located in central British Columbia in the Quesnel terrane. (B) Plan
Series: Economic Geology Monograph Series
Published: 01 January 1997
DOI: 10.5382/Mono.09.09
EISBN: 9781629490045
... with arc-related igneous rocks such as the Late Cretaceous-early Tertiary Rocky Mountain alkalic province, the Jurassic Mount Milligan district of central British Columbia, the Andean orogen of South America, and the Okhotsk-Chukotka belt of northeast Asia. ...
Journal Article
Published: 01 May 2015
Geochemistry: Exploration, Environment, Analysis (2015) 15 (2-3): 234-249.
... porphyry deposits occur within the Quesnel terrane, including Mount Polley, Mount Milligan and Copper Mountain ( Fig. 1 ) ( Celis et al . 2013 ). Given the highly prospective nature of the Quesnel terrane ( Sinclair 2007 ), there is potential for new, undiscovered porphyry mineralization. Mineral...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 1079-1115.
...Wojciech Zukowski; Wojciech Zukowski; David R. Cooke; Cari L. Deyell; Paul McInnes; Kirstie Simpson Abstract Endeavour 41 is a deep-level, structurally controlled epithermal gold deposit hosted by Early Ordovician subaqueous volcanosedimentary rocks. Calc-alkalic to shoshonitic, mafic...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 979-1004.
... are interpreted to be temporally and spatially associated with the emplacement of alkalic, silica-undersaturated (e.g., Galore Creek, Lorraine and Mount Polley; Fig. 1A ) to silica-saturated intrusions (e.g., Red Chris and Mount Milligan) in a magmatic arc setting between the Late Triassic and late Early...
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Journal Article
Journal: Economic Geology
Published: 01 November 2017
Economic Geology (2017) 112 (7): 1673-1717.
... deposits (e.g., Mount Milligan, Lorraine; Barr et al., 1976 ; Lang et al., 1995 ; Mortensen et al., 1995 ; Logan and Bath, 2005 ; Logan and Mihalynuk, 2014 ). The stratigraphic divisions and relationships are established by field mapping supplemented by drill core in areas of poor exposure...
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Journal Article
Journal: Economic Geology
Published: 01 November 2015
Economic Geology (2015) 110 (7): 1669-1695.
...Caroline S. Perring Abstract The Mount Keith region of the Agnew-Wiluna belt in Western Australia is perhaps best known for hosting the giant komatiite-associated disseminated Ni sulfide deposit known as MKD5. It also hosts the sizeable Cliffs massive Ni sulfide deposit, which is the eighth largest...
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Journal Article
Journal: Interpretation
Published: 15 October 2014
Interpretation (2014) 2 (4): SJ75-SJ102.
... of the Intermontane terranes, which are highly prospective to host mineral deposits ( Allan et al., 2013 ; Nelson et al., 2013 ). However, the high proportion of colluvial and vegetation cover provides only limited rock exposures, which makes geologic and structural mapping a significant challenge (Figure  1...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 891-914.
... Cu-Au deposits such as Lorraine and Mt. Milligan were emplaced in north-central British Columbia ( Mortensen et al., 1995 ; Jago, 2008 ; Bath et al., 2014 ; Devine et al, 2014 ; Jago et al., 2014 ). The Galore Creek district, located at the northwestern margin of the Stikine terrane ( Fig...
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Journal Article
Journal: Economic Geology
Published: 01 June 2017
Economic Geology (2017) 112 (4): 799-827.
... and Campamento deposit represent parts of a porphyry copper system—specifically, a porphyry/high-sulfidation, proximal skarn and intermediate sulfidation deposit, respectively. The characteristics of Cerro la Mina (i.e., anomalous halloysite-kaolinite alteration) broaden the window for additional discoveries...
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Journal Article
Journal: Geophysics
Published: 01 January 2000
Geophysics (2000) 65 (6): 2001-2011.
... GSC fixed-wing and contracted helicopter- borne surveys over several porphyry systems throughout the Cordillera. Two examples are summarized below. F IG . 9. Potassium versus thorium concentrations determined by in-situ gamma-ray spectrometry over deposits at Mt. Milligan (a) and Mount Polley...
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Journal Article
Journal: Economic Geology
Published: 01 December 2003
Economic Geology (2003) 98 (8): 1637-1666.
...Alan J. Wilson; David R. Cooke; Benjamin L. Harper Abstract Ridgeway is a high-grade gold-copper porphyry deposit (54 Mt at 2.5 g/t Au and 0.77% Cu), related to an alkalic intrusive complex of monzonitic composition. The deposit occurs within the Cadia district of New South Wales, Australia, which...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 915-938.
...Kevin Byrne; Kevin Byrne; Richard M. Tosdal Abstract The Late Triassic Southwest zone alkalic porphyry Cu-Au deposit in the Galore Creek district, northwestern British Columbia, is hosted in hydrothermally cemented breccias that overprinted older matrix-rich breccia and megacrystic orthoclase...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 1964
AAPG Bulletin (1964) 48 (6): 1009-1021.
...-Milligan Creek area), II. EXPLORATORY METHODS Expenditures up $28 million (10%) to $290 MM. Seismic up 2 mos. (0%) to 606 mos. Gravity up 6 mos. (50%) to 17 mos. Surface Mapping down 56 mos. (30%) to 135 mos. III. PRODUCTION Liquids up 51 MBPD (7%) to 783 MBPD. Gas Sales up 90 MMCFPD (4%) to 2,190 MMCFPD...
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Journal Article
Journal: Economic Geology
Published: 01 June 2014
Economic Geology (2014) 109 (4): 819-825.
... and Stikine Terrane, including Galore Creek, Lorraine, Mount Milligan, Mount Polley, and Copper Mountain, among others (e.g., Lang et al., 1995 ; Logan and Mihalynuk, 2014 ; Fig. 1 ); and (3) the Miocene to Pleistocene deposits of the southwestern Pacific, including the epithermal Ladolam and Porgera...
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Journal Article
Journal: Economic Geology
Published: 01 September 2000
Economic Geology (2000) 95 (6): 1231-1257.
...Andreas G. Mueller; Neal J. McNaughton Abstract Gold mines in the Archean Southern Cross greenstone belt, central Yilgarn craton, have produced more than 220 metric tons (t) of gold. The deposits are characterized by a pyroxene-rich gangue and have been interpreted as synmetamorphic amphibolite...
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