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Journal Article

Oxygen, carbon, and strontium isotope geochemistry of the Sunshine Mine, Coeur d'Alene mining district, Idaho Available to Purchase

G. F. Eaton, R. E. Criss, R. J. Fleck, W. D. Bond, R. W. Cleland, C. S. Wavra
Journal: Economic Geology
Published: 01 December 1995
Economic Geology (1995) 90 (8): 2274–2286.
DOI: https://doi.org/10.2113/gsecongeo.90.8.2274
...G. F. Eaton; R. E. Criss; R. J. Fleck; W. D. Bond; R. W. Cleland; C. S. Wavra Abstract The Pb-Ag ores of the Sunshine mine, located in the Coeur d'Alene mining district of northern Idaho, occur within steeply dipping, tabular, west-northwest-trending veins of siderite gangue, that crosscut...
View PDF for article title, Oxygen, carbon, and strontium isotope geochemistry of the <span class="search-highlight">Sunshine</span> <span class="search-highlight">Mine</span>, Coeur d&#x27;Alene <span class="search-highlight">mining</span> district, Idaho
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Journal Article

Evidence from the Sunshine Mine for dip-slip movement during Coeur d'Alene District mineralization Available to Purchase

Craig S. Wavra, William D. Bond
Journal: Economic Geology
Published: 01 May 1994
Economic Geology (1994) 89 (3): 515–527.
DOI: https://doi.org/10.2113/gsecongeo.89.3.515
... or the style of deformation which accompanied metallization. The role of strike-slip faulting has been emphasized by past workers as an important structural control of the mineralization. Structural data from the Sunshine mine show that the main sense of movement of structures during ore deposition was along...
View PDF for article title, Evidence from the <span class="search-highlight">Sunshine</span> <span class="search-highlight">Mine</span> for dip-slip movement during Coeur d&#x27;Alene District mineralization
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Journal Article

Major element and sulfur isotopic variations in the lower Chester Vein, Sunshine Mine, Idaho Available to Purchase

Richard H. Harris, Ian M. Lange, H. Roy Krouse
Journal: Economic Geology
Published: 01 May 1981
Economic Geology (1981) 76 (3): 706–715.
DOI: https://doi.org/10.2113/gsecongeo.76.3.706
View PDF for article title, Major element and sulfur isotopic variations in the lower Chester Vein, <span class="search-highlight">Sunshine</span> <span class="search-highlight">Mine</span>, Idaho
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Journal Article

Microscopic features of ore from the Sunshine Mine [Idaho] Available to Purchase

Richard J. Anderson
Journal: Economic Geology
Published: 01 August 1940
Economic Geology (1940) 35 (5): 659–667.
DOI: https://doi.org/10.2113/gsecongeo.35.5.659
...Richard J. Anderson Abstract The Sunshine Mine, Coeur d'Alene district, Idaho, is the leading silver mine in the United States. The vein is of the fissure type common to the district and is located on the north limb of the Big Creek Anticline. The deposit resembles Lindgren's "galena-tetrahedrite...
View PDF for article title, Microscopic features of ore from the <span class="search-highlight">Sunshine</span> <span class="search-highlight">Mine</span> [Idaho]
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Journal Article

The crystal structure of cyanotrichite Available to Purchase

Stuart J. Mills, Andrew G. Christy, Fernando Colombo, Jason R. Price
Published: 01 April 2015
Mineralogical Magazine (2015) 79 (2): 321–335.
DOI: https://doi.org/10.1180/minmag.2015.079.2.10
...Stuart J. Mills; Andrew G. Christy; Fernando Colombo; Jason R. Price Abstract We report the single-crystal average structure of cyanotrichite, Cu 4 Al 2 [SO 4 ](OH) 12 (H 2 O) 2 , from the Maid of Sunshine mine, Arizona, USA. Cyanotrichite crystallizes in space group C 2/ m , with the unit-cell...
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View PDF for article title, The crystal structure of cyanotrichite
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Fig. 12. Vertical longitudinal projections of four major veins in the Coeur d’Alene district. Shaded areas have been mined. Dashed and solid lines identify lithologic boundaries in wall rocks. See text for discussion. A. Lucky Friday vein. Subvertical solid lines are faults that cut the Lucky Friday vein and its enclosing stratigraphy. B. Silver vein in the Galena mine. C. Sunshine vein. D. West Chance vein in the Sunshine mine.

F ig . 12. Vertical longitudinal projections of four major veins in the Coe... Available to Purchase

Published: 01 March 2004
Friday vein and its enclosing stratigraphy. B. Silver vein in the Galena mine. C. Sunshine vein. D. West Chance vein in the Sunshine mine.
Image
Fig. 14. Generalized stratigraphic section of the upper Revett at the Sunshine mine, showing stratigraphic position of several orebodies. The Sunshine vein made significant ore from the top of the St. Regis Formation to unsilicified argillaceous siltite in the middle of UQ1. The West Chance vein bottomed at the same stratigraphic position but did not extend as high as the Sunshine. The Copper vein topped out at the upper contact of quartzite lower in UQ1 and its ore shoot narrowed downward in MQ quartzite. The Yankee Girl orebody was economic in sericitic quartzite but uneconomic in vitreous quartzite within LQ. Legend for stratigraphic units as given in Figure 4.

F ig . 14. Generalized stratigraphic section of the upper Revett at the Sun... Available to Purchase

Published: 01 March 2004
F ig . 14. Generalized stratigraphic section of the upper Revett at the Sunshine mine, showing stratigraphic position of several orebodies. The Sunshine vein made significant ore from the top of the St. Regis Formation to unsilicified argillaceous siltite in the middle of UQ1. The West Chance vein
Image
(a) Intergrown crystals of cyanotrichite with chalcophyllite from the Maid of Sunshine mine. Field of view 1 cm across. Specimen M37263, Bill Birch photograph. (b) Intergrown crystals of cyanotrichite with parnauite from Cap Garonne. Field of view 7 mm across. FC specimen.

( a ) Intergrown crystals of cyanotrichite with chalcophyllite from the Mai... Available to Purchase

Published: 01 April 2015
F ig . 1. ( a ) Intergrown crystals of cyanotrichite with chalcophyllite from the Maid of Sunshine mine. Field of view 1 cm across. Specimen M37263, Bill Birch photograph. ( b ) Intergrown crystals of cyanotrichite with parnauite from Cap Garonne. Field of view 7 mm across. FC specimen.
Image
BSE and X-ray images from gn-rich sample WC-7 from the West Chance vein of the Sunshine Mine, Kellogg, Idaho. Scale bar = 100 μm. [Used by permission of the Mineralogical Society of Great Britain and Ireland, from Sack et al. (2002), Mineral Mag, Vol. 66, Fig. 3, p. 221.]

BSE and X-ray images from gn -rich sample WC-7 from the West Chance vein o... Available to Purchase

Published: 01 January 2006
Figure 62. BSE and X-ray images from gn -rich sample WC-7 from the West Chance vein of the Sunshine Mine, Kellogg, Idaho. Scale bar = 100 μm. [Used by permission of the Mineralogical Society of Great Britain and Ireland, from Sack et al. (2002) , Mineral Mag , Vol. 66, Fig. 3, p. 221.]
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Fig. 9. Comparison of radiometric age data for mineralization and some other geologic events in northern Idaho and western Montana. Most estimates fall into one of two groups: a Proterozoic group and a Cretaceous-Tertiary group. Data sources: M85 = Metz et al. (1985), FC85 = Fleck and Criss (1985, and references therein), L88 = Leach et al., (1988), AD95 = Anderson and Davis (1995), ZS95 = Zartman and Smith (1995), L98 = Leach et al. (1998a), RL00 = Rosenberg and Larson (2000). Leach et al. (1998a) note that the Sunshine mine jasperoid vein (ZS95) is cut by Ag-rich veins, constraining the age of the latter, and suggest that the ages between 900 and 400 Ma for some of the Coeur d’Alene mineralization are the result of analyzing a mixture of Proterozoic with younger sericite or are due to resetting of Proterozoic sericite. Snowbird Pod and Richmond are ankerite-bearing veins. Lucky Friday, Bunker Hill, Galena, Baychief, and Sunshine are deposits in the Coeur d’Alene district.

F ig . 9. Comparison of radiometric age data for mineralization and some ot... Available to Purchase

Published: 01 December 2004
(1985 , and references therein), L88 = Leach et al., (1988) , AD95 = Anderson and Davis (1995) , ZS95 = Zartman and Smith (1995) , L98 = Leach et al. (1998a) , RL00 = Rosenberg and Larson (2000) . Leach et al. (1998a) note that the Sunshine mine jasperoid vein (ZS95) is cut by Ag-rich veins
Image
Ag/(Ag + Cu) and Zn/(Zn + Fe) ratios of fahlores used in constraining fluid compositions (+ and x) compared with fahlores in galena-rich and -poor samples from the Galena mine and vertical lines illustrating post-depositional enrichment of Ag in fahlores from galena-rich samples WC-7 and GH-5 from the West Chance vein of the Sunshine mine and the Gold Hunter vein from the Lucky Friday mine, respectively. Tops of vertical lines are the present average Ag/(Ag + Cu) ratios of fahlores from samples WC-7 and GH-5; bottoms of these lines are their original Ag/(Ag + Cu) ratios as inferred by mass balance from reaction (45). Open and filled circles and rectangles are for control samples lacking galena and nearby samples containing significant amounts of galena from the Galena mine; diamonds represent fahlore from two additional Galena mine samples containing significant galena (modified from Sack et al., 2005).

Ag/(Ag + Cu) and Zn/(Zn + Fe) ratios of fahlores used in constraining fluid... Available to Purchase

Published: 01 December 2009
and GH-5 from the West Chance vein of the Sunshine mine and the Gold Hunter vein from the Lucky Friday mine, respectively. Tops of vertical lines are the present average Ag/(Ag + Cu) ratios of fahlores from samples WC-7 and GH-5; bottoms of these lines are their original Ag/(Ag + Cu) ratios as inferred
Journal Article

Age and Origin of Base and Precious Metal Veins of the Coeur D’Alene Mining District, Idaho Available to Purchase

Robert J. Fleck, Robert E. Criss, Gail F. Eaton, Rodney W. Cleland, Craig S. Wavra, William D. Bond
Journal: Economic Geology
Published: 01 January 2002
Economic Geology (2002) 97 (1): 23–42.
DOI: https://doi.org/10.2113/gsecongeo.97.1.23
... 0.7396 13.6 –9.6 Sunshine mine             08 vein 0.312 92.17 0.1429 1.0221 13.8 –7.5 Chester vein 0.085 4.42 0.0622 1.2259 15.4 –8.0 Copper vein 0.220 5.69 0.2807 0.9614 16.1 –8.6 D vein 0.202 1.95 0.2796 1.0726 16.7 –7.4...
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View PDF for article title, Age and Origin of Base and Precious Metal Veins of the Coeur D’Alene <span class="search-highlight">Mining</span> District, Idaho
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Fig. 5. Stable isotope, 1/Sr, and 87Sr/86Sr results for siderite from a sample traverse (10-cm spacing) of the Copper vein in the Sunshine mine documents the covariation of δ18O and δ13C. The smooth decrease in both stable isotopes from wall to center suggests an inward-progressing (crack-seal type?) crystallization of the vein during steadily increasing fluid temperature (Eaton et al., 1995). Variations in Sr show no apparent correlation with stable isotope variations but exhibit a strong correlation of 1/Sr and 87Sr/86Sr. This inverse correlation between Sr and 87Sr/86Sr indicates a mixing relationship between components with high Sr, low 87Sr/86Sr (such as Belt limestone or dolomite) and low Sr, high 87Sr/86Sr (such as radiometrically evolved Belt argillite). Both correlated variations are consistent with primary crystallization from vein fluids and inconsistent with postdepositional metamorphic homogenization.

F ig . 5. Stable isotope, 1/Sr, and 87 Sr/ 86 Sr results for siderite from... Available to Purchase

Published: 01 January 2002
F ig . 5. Stable isotope, 1/Sr, and 87 Sr/ 86 Sr results for siderite from a sample traverse (10-cm spacing) of the Copper vein in the Sunshine mine documents the covariation of δ 18 O and δ 13 C. The smooth decrease in both stable isotopes from wall to center suggests an inward-progressing (crack
Image
Ag/(Ag + Cu) ratios of primary fahlores (fah) and mole fractions of AgSbS2 in primary galenas (XAgSbS2) from Coeur d’Alene Ag-Pb-Zn deposits compared with curves for fah and gn coexisting with sph and one of the phases Mia, Prg, Plb, or bcc-, fcc-, or hcp-(Ag,Cu)2S solid solution in the simple system Ag2S-Cu2S-ZnS-FeS-PbS-Sb2S3 calculated by Sack (2005). Points defined by four–phase curve intersections are labeled as indicated in legend. Vertical rectangles indicate ranges of XAgSbS2 in AgSbS2-Pb2S2 gn calculated using the database of Sack (2005) for the average compositions of fahlores in 4300A and 5200A in Table 1 and for temperatures between 320 and 350 °C. Larger circles are estimates for original gn and fah compositions for samples WC-7 and GH-5 from the West Chance vein of the Sunshine Mine and from the Gold Hunter vein of the Lucky Friday Mine (Sack et al. 2002; Sack 2005). Horizontal bar represents the minimum in Ag-contents in primary gn and fah in Ag2S-Cu2S-ZnS-FeS-Sb2S3 analogs of Coeur d’Alene ores estimated by Sack (2005).

Ag/(Ag + Cu) ratios of primary fahlores (fah) and mole fractions of AgSbS 2... Available to Purchase

Published: 01 May 2005
) for the average compositions of fahlores in 4300A and 5200A in Table 1 and for temperatures between 320 and 350 °C. Larger circles are estimates for original gn and fah compositions for samples WC-7 and GH-5 from the West Chance vein of the Sunshine Mine and from the Gold Hunter vein of the Lucky Friday Mine
Journal Article

Uraninite in the Coeur d'Alene District, Idaho; discussion Available to Purchase

Raymond F. Robinson
Journal: Economic Geology
Published: 01 December 1950
Economic Geology (1950) 45 (8): 818–819.
DOI: https://doi.org/10.2113/gsecongeo.45.8.818
View PDF for article title, Uraninite in the Coeur d'Alene District, Idaho; discussion
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Journal Article

AGE AND ORIGIN OF QUARTZ-CARBONATE VEINS ASSOCIATED WITH THE COEUR D’ALENE MINING DISTRICT, IDAHO AND WESTERN MONTANA: INSIGHTS FROM ISOTOPES AND RARE-EARTH ELEMENTS Available to Purchase

Frank C. Ramos, Philip E. Rosenberg
Journal: Economic Geology
Published: 01 September 2012
Economic Geology (2012) 107 (6): 1321–1339.
DOI: https://doi.org/10.2113/econgeo.107.6.1321
... signatures at the Sunshine Mine. To further constrain ages and elucidate the origins of quartz-carbonate veins associated with the district more regionally, we focus on the more refractory Sm-Nd isotope system, in addition to Pb and Sr isotopes, in a wide range of ore-bearing deposits and ore-barren veins...
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View PDF for article title, AGE AND ORIGIN OF QUARTZ-CARBONATE VEINS ASSOCIATED WITH THE COEUR D’ALENE <span class="search-highlight">MINING</span> DISTRICT, IDAHO AND WESTERN MONTANA: INSIGHTS FROM ISOTOPES AND RARE-EARTH ELEMENTS
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Fig. 6. Stable isotope and 87Sr/86Sr sample traverses (10-cm spacing) of the D vein in the Sunshine mine show patterns of vein deposition with very large, irregular fluctuations in siderite isotopic composition. Covariation in δ18O and 87Sr/86Sr documents a clear but inexact anticorrelation of the two chemically and isotopically unrelated species. The same inverse relationship is even apparent across a fault in the vein (shown as a dashed vertical line in the profile). Because a pressure and/or temperature control of Sr isotope variation is highly improbable, the well-established pattern of stable isotope fractionation may have been superimposed on source-related isotopic variations in the fluids during the course of vein formation. Regardless of the control of fluid composition, however, the isotopic variations appear to be primary fluid phenomena, with the same interrelationship throughout the period this vein was being deposited. Note that δ18O values in the adjacent Revett Formation host rocks are below those of the vein but that host-rock values increase toward the vein. Isotopic disequilibrium is found not only between the vein and host rock but also between vein minerals, precluding a postdepositional metasomatic metamorphism that would homogenize isotopic ratios. Faulting in the vein documents postemplacement shearing, possibly related to Tertiary movement in the Osburn fault system.

F ig . 6. Stable isotope and 87 Sr/ 86 Sr sample traverses (10-cm spacing)... Available to Purchase

Published: 01 January 2002
F ig . 6. Stable isotope and 87 Sr/ 86 Sr sample traverses (10-cm spacing) of the D vein in the Sunshine mine show patterns of vein deposition with very large, irregular fluctuations in siderite isotopic composition. Covariation in δ 18 O and 87 Sr/ 86 Sr documents a clear but inexact
Journal Article

Isotope Geochemistry of Ankerite-Bearing Veins Associated with the Coeur d’Alene Mining District, Idaho Available to Purchase

Philip E. Rosenberg, Peter B. Larson
Journal: Economic Geology
Published: 01 December 2000
Economic Geology (2000) 95 (8): 1689–1699.
DOI: https://doi.org/10.2113/gsecongeo.95.8.1689
... the Sunshine and Galena mines (S, S2, S3, G), donated from the University of Idaho collections, were also analyzed in this study. Calcite-dominant veins are small hydrothermal quartz-carbonate veins that fill fractures in the Belt Supergroup metasedimentary rocks along the Idaho-Montana border, extending...
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View PDF for article title, Isotope Geochemistry of Ankerite-Bearing Veins Associated with the Coeur d’Alene <span class="search-highlight">Mining</span> District, Idaho
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Journal Article

Stratigraphy of the Proterozoic Revett Formation and Its Control on Ag-Pb-Zn Vein Mineralization in the Coeur d’Alene District, Idaho Available to Purchase

Jeffrey L. Mauk, Brian G. White
Journal: Economic Geology
Published: 01 March 2004
Economic Geology (2004) 99 (2): 295–312.
DOI: https://doi.org/10.2113/gsecongeo.99.2.295
... Friday vein and its enclosing stratigraphy. B. Silver vein in the Galena mine. C. Sunshine vein. D. West Chance vein in the Sunshine mine. ...
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View PDF for article title, Stratigraphy of the Proterozoic Revett Formation and Its Control on Ag-Pb-Zn Vein Mineralization in the Coeur d’Alene District, Idaho
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Journal Article

Retrograde Ag-enrichment in fahlores from the Coeur d’Alene mining district, Idaho, USA Available to Purchase

R. O. Sack, S. M. Kuehner, L. S. Hardy
Published: 01 February 2002
Mineralogical Magazine (2002) 66 (1): 215–229.
DOI: https://doi.org/10.1180/0026461026610024
...-tennantite fahlores and associated sulfides/sulfosalts from the West Chance vein of the Sunshine Mine (Kellogg, ID) and from the Gold Hunter and Lucky Friday veins of the Lucky Friday Mine (Mullan, ID). The West Chance vein is a fahlore-siderite vein with an overprint of galena shoots. The Lucky Friday...
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View PDF for article title, Retrograde Ag-enrichment in fahlores from the Coeur d’Alene <span class="search-highlight">mining</span> district, Idaho, USA
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