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Journal Article

Resolving the Relative Timing of Au Enrichment in Volcanogenic Massive Sulfide Deposits Using Scanning Electron Microscopy-Mineral Liberation Analyzer: Empirical Evidence from the Ming Deposit, Newfoundland, Canada Available to Purchase

Jean-Luc Pilote, Stephen J. Piercey, Stefanie M. Brueckner, David Grant
Journal: Economic Geology
Published: 01 September 2016
Economic Geology (2016) 111 (6): 1495–1508.
DOI: https://doi.org/10.2113/econgeo.111.6.1495
...Jean-Luc Pilote; Stephen J. Piercey; Stefanie M. Brueckner; David Grant Abstract The metamorphosed Cambro-Ordovician Ming volcanogenic massive sulfide deposit in northern Newfoundland, Canada, is locally overlain by a unit consisting of mafic to intermediate medium- to coarse-grained volcaniclastic...
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View PDF for article title, Resolving the Relative Timing of Au Enrichment in Volcanogenic Massive Sulfide <span class="search-highlight">Deposits</span> Using Scanning Electron Microscopy-Mineral Liberation Analyzer: Empirical Evidence from the <span class="search-highlight">Ming</span> <span class="search-highlight">Deposit</span>, Newfoundland, Canada
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Journal Article

Volcanic and Structural Reconstruction of the Deformed and Metamorphosed Ming Volcanogenic Massive Sulfide Deposit, Canada: Implications for Ore Zone Geometry and Metal Distribution Available to Purchase

Jean-Luc Pilote, Stephen J. Piercey, Patrick Mercier-Langevin
Journal: Economic Geology
Published: 01 September 2017
Economic Geology (2017) 112 (6): 1305–1332.
DOI: https://doi.org/10.5382/econgeo.2017.4511
...Jean-Luc Pilote; Stephen J. Piercey; Patrick Mercier-Langevin Abstract The Ming volcanogenic massive sulfide (VMS) deposit (28 Mt at 1.48 wt % Cu, 0.06 wt % Zn, 1.99 g/t Ag, and 0.26 g/t Au) is part of the Baie Verte oceanic tract located in the northeast Canadian Appalachian orogen. The deposit...
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View PDF for article title, Volcanic and Structural Reconstruction of the Deformed and Metamorphosed <span class="search-highlight">Ming</span> Volcanogenic Massive Sulfide <span class="search-highlight">Deposit</span>, Canada: Implications for Ore Zone Geometry and Metal Distribution
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Representative photographs of host rocks from the Ming deposit. A. Subhedral plagioclase phenocrysts in coherent rhyodacite (1807 zone). B. Irregular contact between quartz-phyric and aphyric coherent felsic volcanic rocks of unit 1.1 (RM09-22; 400 m downhole). C. Felsic hyaloclastite showing jigsaw-fit structures, replaced by rhodochrosite (Mn carbonate) (RM07-20M; 675 m downhole). D. Peperitic texture of aphanitic rhyodacite in contact with a fine-grained chlorite-rich tuffaceous sedimentary rock (RMUG15-315; 90 m downhole). E. Representative felsic lapilli tuff with ellipsoidal aphanitic rhyodacite lapilli fragments in a fine-grained chlorite-sericite-quartz matrix. This facies is found near the base of unit 1.2 (RM07-18; 807 m downhole). F. Rounded aphanitic coherent rhyodacite pyroclast in foliated tuff (RM07-18; 718 m down-hole). G. Epidote-altered rhyodacitic lapilli in a bedded fine-grained chloritic matrix (RM07-18; 614 m downhole). H. Pyritesphalerite (Sp)-chalcopyrite (Ccp)-quartz stringers in sericite-altered quartz-phyric coherent rhyodacite (MMUG14-173; 40 m downhole).

Representative photographs of host rocks from the Ming deposit. A. Subhedra... Available to Purchase

Published: 01 September 2017
Fig. 9. Representative photographs of host rocks from the Ming deposit. A. Subhedral plagioclase phenocrysts in coherent rhyodacite (1807 zone). B. Irregular contact between quartz-phyric and aphyric coherent felsic volcanic rocks of unit 1.1 (RM09-22; 400 m downhole). C. Felsic hyaloclastite
Image
Representative photographs of the mineralization from the Ming deposit. A. Stratiform lower and upper sulfide lenses, separated by quartz-bearing tuff beds of unit 1.3 (RM06-04D; 876.5–893.5 m downhole). B. Folded mafic dike crosscutting massive sulfide- and quartz-rich fragments (looking southwest; 1807 zone; 329 level). C. Chalcopyrite-galena-sphalerite (Ccp-Gn-Sp)-rich stringers in a quartz-bearing rhyodacitic tuff at the contact with massive sulfide (looking northeast; 1806 zone; 431 level). D. Strongly transposed chalcopyrite-pyrrhotite-pyrite (Ccp-Po-Py) stringers onto deformation fabrics in an intensely chlorite-altered rhyodacite (looking southeast; Lower Footwall zone; 1,450 level).

Representative photographs of the mineralization from the Ming deposit. A. ... Available to Purchase

Published: 01 September 2017
Fig. 12. Representative photographs of the mineralization from the Ming deposit. A. Stratiform lower and upper sulfide lenses, separated by quartz-bearing tuff beds of unit 1.3 (RM06-04D; 876.5–893.5 m downhole). B. Folded mafic dike crosscutting massive sulfide- and quartz-rich fragments
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Representative photographs of host rocks from the Ming deposit. A. Fluidal juvenile fragments of coherent rhyodacite closely spatially (≤2 m) associated with coherent rhyodacite and laminated rhyodacitic tuff (RM09-22; 230 m downhole). B. Hourglass-shaped cylindrical features of 1 to 2 cm in diameter with internal, 1- to 5-mm spaced layers defined by sericite in a coherent quartz-phyric rhyodacite (RMUG08-138; 19 m downhole). C. Sparsely to closely packed, well-defined, blocky and splintery, quartz-phyric rhyodacite clasts in a sericite-altered quartz-bearing rhyodacitic matrix, partially replaced by sulfides (RMUG08-138; 42.5 m downhole). D. Representative quartz-bearing rhyodacitic tuff bed located downdip of the Ming South zone (RM06-04D; 885 m downhole). E. Quartz-phyric coherent rhyodacite between the lower and upper massive sulfide lenses of the Ming South zone (RMUG08-25; 42.5 m downhole). F. Mafic polylithic primary to recycled (or lithic) tuff breccia with &lt;10 vol % pyrite-chalcopyrite-rich sulfide clasts (bronze), minor felsic fragments (white) and fine-grained mafic tuff groundmass (RMUG13-205; 30 m downhole).

Representative photographs of host rocks from the Ming deposit. A. Fluidal ... Available to Purchase

Published: 01 September 2017
Fig. 10. Representative photographs of host rocks from the Ming deposit. A. Fluidal juvenile fragments of coherent rhyodacite closely spatially (≤2 m) associated with coherent rhyodacite and laminated rhyodacitic tuff (RM09-22; 230 m downhole). B. Hourglass-shaped cylindrical features of 1 to 2
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A. Three-dimensional model of the Ming deposit. Shown are the extent of the wireframes for each zone based on resources calculation by Rambler Metals and Mining Ltd. B. Plan view of (A). The black strings represent drill holes.

A. Three-dimensional model of the Ming deposit. Shown are the extent of the... Available to Purchase

Published: 01 September 2017
Fig. 3. A. Three-dimensional model of the Ming deposit. Shown are the extent of the wireframes for each zone based on resources calculation by Rambler Metals and Mining Ltd. B. Plan view of (A). The black strings represent drill holes.
Image
Resource data for the newly explored zones at the Ming deposit from Rambler Metals and Mining Canada Ltd. (www.ramblermines.com; Pilgrim, 2009); new zones trend northeast and plunge 30° to 35°, parallel to the previously mined area (light gray). The 1806 zone, with its up-plunge and down-plunge portions, is the focus of this paper; the 720 level marks the location of the underground map shown in Figure 5. Resource data are compliant with National Instrument 43–101.

Resource data for the newly explored zones at the Ming deposit from Rambler... Available to Purchase

Published: 01 September 2014
Fig. 3 Resource data for the newly explored zones at the Ming deposit from Rambler Metals and Mining Canada Ltd. ( www.ramblermines.com ; Pilgrim, 2009 ); new zones trend northeast and plunge 30° to 35°, parallel to the previously mined area (light gray). The 1806 zone, with its up-plunge
Journal Article

Evidence for Syngenetic Precious Metal Enrichment in an Appalachian Volcanogenic Massive Sulfide System: The 1806 Zone, Ming Mine, Newfoundland, Canada Available to Purchase

Stefanie M. Brueckner, Stephen J. Piercey, Paul J. Sylvester, Stephanie Maloney, Larry Pilgrim
Journal: Economic Geology
Published: 01 September 2014
Economic Geology (2014) 109 (6): 1611–1642.
DOI: https://doi.org/10.2113/econgeo.109.6.1611
...Fig. 3 Resource data for the newly explored zones at the Ming deposit from Rambler Metals and Mining Canada Ltd. ( www.ramblermines.com ; Pilgrim, 2009 ); new zones trend northeast and plunge 30° to 35°, parallel to the previously mined area (light gray). The 1806 zone, with its up-plunge...
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View PDF for article title, Evidence for Syngenetic Precious Metal Enrichment in an Appalachian Volcanogenic Massive Sulfide System: The 1806 Zone, <span class="search-highlight">Ming</span> Mine, Newfoundland, Canada
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Simplified geologic map of the Pacquet Complex with the Ming VMS deposit (modified after Skulski et al., 2010). The different orebodies of the Ming deposit are projected to surface.

Simplified geologic map of the Pacquet Complex with the Ming VMS deposit (m... Available to Purchase

Published: 01 September 2016
Fig. 1 Simplified geologic map of the Pacquet Complex with the Ming VMS deposit (modified after Skulski et al., 2010 ). The different orebodies of the Ming deposit are projected to surface.
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(A) Stratigraphy of ophiolitic and cover rocks of the Baie Verte Peninsula and stratigraphic position of various VMS (red ovals) and orogenic Au deposits (yellow ovals). VMS deposits—BC, Betts Cove; TC, Tilt Cove; M, Ming; R, Rambler. Orogenic Au deposits—DC, Deer Cove; GV, Goldenville; NP, Nugget Pond; A, Argyle; ST, Stog’er Tight; PC, Pine Cove (modified after Bedard et al. 2000 and Skulski et al. 2009, 2010). (B) Deformation-related banded pyrite–sphalerite-bearing massive sulfides from the Betts Cove VMS deposit. (C) Pyrite-dominated sulfides with quartz-green mica altered dacite fragments from the Ming deposit; this style of mineralization is typically Au-rich. (D) Photo from underground in the Ming mine showing a stringer of chalcopyrite–pyrite–pyrrhotite in chlorite-altered footwall dacite. (E) Relict colloform and euhedral pyrite with interstitial chalcopyrite from the Ming deposit. (F) Polymetallic assemblages of pyrite–chalcopyrite–sphalerite–galena–tetrahedrite from the Ming deposit. (G) Gold/electrum with arsenopyrite in a pyrite–chalcopyrite–tetrahedrite–sphalerite assemblage from the Ming deposit.

(A) Stratigraphy of ophiolitic and cover rocks of the Baie Verte Peninsula ... Open Access

Published: 30 May 2023
Fig. 7. (A) Stratigraphy of ophiolitic and cover rocks of the Baie Verte Peninsula and stratigraphic position of various VMS (red ovals) and orogenic Au deposits (yellow ovals). VMS deposits—BC, Betts Cove; TC, Tilt Cove; M, Ming; R, Rambler. Orogenic Au deposits—DC, Deer Cove; GV, Goldenville
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Depositional model for the genesis of the 1806 zone. (I) Syndepositional processes during waxing (a), peak (b), and waning (c) stages of hydrothermal activity at the 1806 zone. (II) Postdepositional/predeformational state of the Ming deposit (a) and the 1806 zone (b). (III) Postdeformational state of the Ming deposit (a) and the 1806 zone (b); sketches of the 1806 zone in II-b and III-b are perpendicular to II-a and III-a, respectively. Alphanumerical labels in I-b, I-c, and III-b refer to Figures in this paper. See Discussion for details. Mineral abbreviations same as in Figure 8.

Depositional model for the genesis of the 1806 zone. (I) Syndepositional pr... Available to Purchase

Published: 01 September 2014
Fig. 14 Depositional model for the genesis of the 1806 zone. (I) Syndepositional processes during waxing (a), peak (b), and waning (c) stages of hydrothermal activity at the 1806 zone. (II) Postdepositional/predeformational state of the Ming deposit (a) and the 1806 zone (b). (III
Journal Article

Hydrocarbon generation potential of Triassic mudstones in the Junggar Basin, northwest China Available to Purchase

Ming Wu, Jian Cao, Xulong Wang, Yong Tang, Bin Wang, Baoli Xiang, Sufang Kang, Wenfang Lan
Journal: AAPG Bulletin
Published: 01 September 2014
AAPG Bulletin (2014) 98 (9): 1885–1906.
DOI: https://doi.org/10.1306/03111413022
...Ming Wu; Jian Cao; Xulong Wang; Yong Tang; Bin Wang; Baoli Xiang; Sufang Kang; Wenfang Lan ABSTRACT Triassic mudstones in the Junggar Basin of northwest China, especially those of the Upper Triassic Baijiantan Formation, which formed during a lake-flooding event, are the most important set of cap...
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View PDF for article title, Hydrocarbon generation potential of Triassic mudstones in the Junggar Basin, northwest China
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Simplified geological map of the Ming VMS deposit within the Pacquet Complex, modified after Castonguay et al. (2009), the orebodies are projected on the surface by Brueckner et al. (2016).

Simplified geological map of the Ming VMS deposit within the Pacquet Comple... Available to Purchase

Published: 01 October 2021
Figure 1. Simplified geological map of the Ming VMS deposit within the Pacquet Complex, modified after Castonguay et al. (2009) , the orebodies are projected on the surface by Brueckner et al. (2016) .
Image
Backscattered electron images and chemical X-ray maps of zoned electrum from the Ming and Boliden deposits. Electrum grains from the Ming deposit are characterized by Au-poor core, Au-rich transition, and Ag-rich rim chemical zoning textures that correspond to the BSE images. There are no significant Cu variations in electrum from d and h. (i) An example of electrum characterized by an Au-rich core and Au-depleted rim. There are no significant Fe variations in electrum from l and p. (m) The later Ag-rich veins are filling in the tiny fractures in electrum and fine-grained native gold grains occur along the boundary of electrum.

Backscattered electron images and chemical X-ray maps of zoned electrum fro... Available to Purchase

Published: 01 October 2021
Figure 5. Backscattered electron images and chemical X-ray maps of zoned electrum from the Ming and Boliden deposits. Electrum grains from the Ming deposit are characterized by Au-poor core, Au-rich transition, and Ag-rich rim chemical zoning textures that correspond to the BSE images
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Binary plot showing compositional variations between the core and rim in zoned electrum from the Ming and Boliden deposits. The compositional data of electrum come from the LA-ICP-MS analysis. (a) Plot of Au vs. S+Fe+Cu+Zn+Pb, showing the increasing contents of S-Fe-Cu-Zn-Pb during the dissolution of Ag resulting in an Au-rich transition zone, in electrum from the Ming deposit. (b) Plot of Au vs. Se+Bi+Sb+Te+Sn+S+Zn, showing the increased contents of Se-Bi-Sb-Te-Sn-S-Zn during the diffusion of Ag from Au-rich core from the Boliden deposit.

Binary plot showing compositional variations between the core and rim in zo... Available to Purchase

Published: 01 October 2021
Figure 11. Binary plot showing compositional variations between the core and rim in zoned electrum from the Ming and Boliden deposits. The compositional data of electrum come from the LA-ICP-MS analysis. ( a ) Plot of Au vs. S+Fe+Cu+Zn+Pb, showing the increasing contents of S-Fe-Cu-Zn-Pb during
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Schematic block diagrams showing the interpreted evolution of the Ming deposit host successions. A. Collapse of the Rambler Rhyolite and eruption of nested rhyolitic domes and volcaniclastic rocks. B. Upflow of metal-rich hydrothermal fluids forming the Lower Footwall zone and semimassive to massive sulfide lenses and associated alteration assemblages. C. Eruption of the quartz-megacrystic rhyolite and equivalent tuff beds along the reactivated first-order synvolcanic fault, forming the upper sulfide lenses in the Ming South (and North?) zone. D. Deposition of the magnetite-rich siltstone, crosscut by mafic to intermediate sills/dikes, possible feeders to the Snooks Arm Group volcanic and volcaniclastic rocks.

Schematic block diagrams showing the interpreted evolution of the Ming depo... Available to Purchase

Published: 01 September 2017
Fig. 20. Schematic block diagrams showing the interpreted evolution of the Ming deposit host successions. A. Collapse of the Rambler Rhyolite and eruption of nested rhyolitic domes and volcaniclastic rocks. B. Upflow of metal-rich hydrothermal fluids forming the Lower Footwall zone
Journal Article

The geologic setting of the Ming and other sulfide deposits, Consolidated Rambler Mines, Northeast Newfoundland Available to Purchase

J. Tuach, M. J. Kennedy
Journal: Economic Geology
Published: 01 April 1978
Economic Geology (1978) 73 (2): 192–206.
DOI: https://doi.org/10.2113/gsecongeo.73.2.192
... as the product of the second and third deformations. The shape and orientations of the sulfide bodies have been modified during deformation. The orebodies are elongate parallel to the F 2 and F 3 fold axes and to the maximum axis of the D 2 deformation ellipsoid.The Ming massive sulfide deposit is a stratabound...
View PDF for article title, The geologic setting of the <span class="search-highlight">Ming</span> and other sulfide <span class="search-highlight">deposits</span>, Consolidated Rambler Mines, Northeast Newfoundland
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Journal Article

Dissolution-reprecipitation vs. solid-state diffusion in electrum: Examples from metamorphosed Au-bearing, volcanogenic massive sulfide (VMS) deposits Available to Purchase

Haiming Liu, Georges Beaudoin
Published: 01 October 2021
American Mineralogist (2021) 106 (10): 1654–1667.
DOI: https://doi.org/10.2138/am-2021-7674
...Figure 1. Simplified geological map of the Ming VMS deposit within the Pacquet Complex, modified after Castonguay et al. (2009) , the orebodies are projected on the surface by Brueckner et al. (2016) . ...
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View PDF for article title, Dissolution-reprecipitation vs. solid-state diffusion in electrum: Examples from metamorphosed Au-bearing, volcanogenic massive sulfide (VMS) <span class="search-highlight">deposits</span>
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Binary plots of assay data for 19,268 samples from 588 exploration and definition drill hole intersections at the Ming deposit. A. Log-log plot of Ag vs. Au (g/t). B. Cu vs. Zn (wt %) as a function of Au grades (g/t). Assay data kindly provided by Rambler Metals and Mining Ltd. (January 2016).

Binary plots of assay data for 19,268 samples from 588 exploration and defi... Available to Purchase

Published: 01 September 2017
Fig. 13. Binary plots of assay data for 19,268 samples from 588 exploration and definition drill hole intersections at the Ming deposit. A. Log-log plot of Ag vs. Au (g/t). B. Cu vs. Zn (wt %) as a function of Au grades (g/t). Assay data kindly provided by Rambler Metals and Mining Ltd. (January
Image
Map outlining all the orebodies (red = massive sulfide; black = Lower Footwall zone) forming the Ming deposit. Diamond drill hole RMUG13-205 is located in the up-plunge section of the 1807 zone. The gray shaded area represents the approximate maximum known extension of the sulfide-rich volcaniclastic unit. The gray lines and circles represent drill hole traces and collars, respectively.

Map outlining all the orebodies (red = massive sulfide; black = Lower Footw... Available to Purchase

Published: 01 September 2016
Fig. 2 Map outlining all the orebodies (red = massive sulfide; black = Lower Footwall zone) forming the Ming deposit. Diamond drill hole RMUG13-205 is located in the up-plunge section of the 1807 zone. The gray shaded area represents the approximate maximum known extension of the sulfide-rich