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Ridgeway Mine

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A. Geologic bedrock map of Brewer, Haile, and <span class="search-highlight">Ridgeway</span> <span class="search-highlight">mine</span> area, after SRK...
Published: 01 September 2021
Fig. 11. A. Geologic bedrock map of Brewer, Haile, and Ridgeway mine area, after SRK Consulting ( 2017 ), showing predicted Modoc shear zone (this paper). For location, see Figures 2 and 4 . B. Bouguer gravity anomaly map showing all gravity stations. C. High pass of Bouguer gravity
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1995
DOI: 10.5382/GB.24
EISBN: 9781934969779
... Abstract Kennecott Minerals Company (KMC) operates a 15,000-ton-per-day open-pit gold mine located approximately 5 miles east of the town of Ridgeway, and 25 miles north of Columbia, South Carolina (Figure 1). The Ridgeway gold mine is one of four gold mines which were put in production...
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Examples of surface subsidence zones over cave <span class="search-highlight">mine</span> in Australia. a). North...
Published: 01 January 2023
Fig. 10. Examples of surface subsidence zones over cave mine in Australia. a). Northparkes mines; b). Ridgeway mine, Cadia. Collapse areas are approximately 500 to 1,000 m in diameter, respectively.
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Results of Re-Os dating of molybdenite samples from the Haile and <span class="search-highlight">Ridgeway</span> ...
Published: 01 November 2014
Fig. 11 Results of Re-Os dating of molybdenite samples from the Haile and Ridgeway mines, South Carolina. These data are reported in Table 3 and by Stein et al. (1997) . Time windows for volcanism at Haile and Ridgeway, shown by overlapping gray bars, were determined by ion probe dating
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δ  34 S variation in pyrite and other minerals from precious metal deposits...
Published: 01 March 2007
and seawater-derived sulfur. High sulfur values such as at Barite Hill and in the Cid district are consistent with derivation by thermochemical reduction of early Paleozoic sea-water sulfate. Data for the Barite Hill, Brewer, Haile, and Ridgeway mines are from Seal et al. (1997 , 2001 ); other data are from
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F ig . 6. Plan view of the 5280 R.L. of the <span class="search-highlight">Ridgeway</span> underground <span class="search-highlight">mine</span> (base...
Published: 01 December 2003
F ig . 6. Plan view of the 5280 R.L. of the Ridgeway underground mine (based on unpublished underground mapping and sampling data of Newcrest Mining Limited). A. Geology of the 5280 R.L., showing the location of the principal pyroxene porphyry dikes, the monzodiorite intrusion (pre- to early
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0042(01)
EISBN: 9780813756424
... rush in 1799. The only recently active gold mines to operate in the eastern United States were Barite Hill, Ridgeway, Haile, and Brewer, all located in the lower metamorphic rank volcanic arc rocks of the Carolina terrane (modified after Hibbard et al., 2006 ; Hatcher et al., 2007 ; and Haile gold...
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Journal Article
Journal: Economic Geology
Published: 01 March 2005
Economic Geology (2005) 100 (2): 225–252.
... deposit include 551.9 ± 2.6 and 557.9 ± 3.3 Ma ( Stein et al., 1997 ). Analyses of zircons were carried out using the SHRIMP-RG on five samples: two from the Brewer mine, two from Haile, and one from Ridgeway. Samples from Brewer include quartz-topaz rhyolite breccia (BR2B) from the argillic zone...
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Journal Article
Journal: Economic Geology
Published: 01 September 2021
Economic Geology (2021) 116 (6): 1309–1327.
...Fig. 11. A. Geologic bedrock map of Brewer, Haile, and Ridgeway mine area, after SRK Consulting ( 2017 ), showing predicted Modoc shear zone (this paper). For location, see Figures 2 and 4 . B. Bouguer gravity anomaly map showing all gravity stations. C. High pass of Bouguer gravity...
FIGURES | View All (17)
Journal Article
Journal: Economic Geology
Published: 01 March 2007
Economic Geology (2007) 102 (2): 239–256.
... and seawater-derived sulfur. High sulfur values such as at Barite Hill and in the Cid district are consistent with derivation by thermochemical reduction of early Paleozoic sea-water sulfate. Data for the Barite Hill, Brewer, Haile, and Ridgeway mines are from Seal et al. (1997 , 2001 ); other data are from...
FIGURES | View All (9)
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/9780813700427
EISBN: 9780813756424
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1995
DOI: 10.5382/GB.24
EISBN: 9781934969779
... Abstract Renewed gold exploration in the Carolina slate belt of North and South Carolina that led to the discovery of the Ridgeway gold mine (#5 on Figure 1) by Amselco (now Kennecott) began at about the same time as the last Geological Society of America field trip to focus on southeastern...
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F ig . 2. Geology of the Cadia district and location of the principal zones...
Published: 01 December 2003
F ig . 2. Geology of the Cadia district and location of the principal zones of porphyry- and skarn-related gold-copper mineralization. The Ridgeway deposit is concealed by Miocene basaltic lava flows. The location of sections 11050E and 22750N at Ridgeway ( Figs. 3 and 4 , respectively) are also
Journal Article
Journal: SEG Discovery
Published: 01 April 2012
SEG Discovery (2012) (89): 1–22.
... of NC371. Subsequently, it became apparent after the Ridgeway deposit had been discovered that NC371 had penetrated the halo to the high-grade Au-Cu mineralization. There was no indication of sufficiently higher grade mineralization to support bulk underground mining in the immediate Cadia East...
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Generalized geologic map of the Roanoke River watershed in Virginia and the...
Published: 01 February 2017
Figure 2. Generalized geologic map of the Roanoke River watershed in Virginia and the locations of historic Mn mines of the JRRRMD. Circles represent well locations, and colors correspond to filtered Mn concentrations (ppb). Geologic data obtained from the USGS ( Dicken et al., 2008
Journal Article
Journal: Economic Geology
Published: 01 December 2003
Economic Geology (2003) 98 (8): 1637–1666.
...F ig . 6. Plan view of the 5280 R.L. of the Ridgeway underground mine (based on unpublished underground mapping and sampling data of Newcrest Mining Limited). A. Geology of the 5280 R.L., showing the location of the principal pyroxene porphyry dikes, the monzodiorite intrusion (pre- to early...
FIGURES | View All (15)
Journal Article
Journal: Economic Geology
Published: 01 July 2001
Economic Geology (2001) 96 (4): 891–902.
... with the Persimmon Fork Formation ( Balinsky, 1994 ). The Richtex Formation is thought to be conformable and gradational with rocks near the Haile deposit, as well as those near the Ridgeway and Brewer mines ( Balinsky, 1994 ). Turbiditic wackes of the Richtex Formation are thought to represent volcanic-derived...
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Journal Article
Published: 01 April 2023
Earth Sciences History (2023) 42 (1): 41–62.
... eight open mining pits over twelve years, with pit depths ranging from 110 to 840 feet deep. The Ridgeway gold mine, located in Fairfield County, South Carolina, was the most productive of the limited lease option mines. The Ridgeway mine is located in the Carolina Slate Belt (CSB), a late...
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Geologic map of central South Carolina after Horton and Dicken ( 2001 ). Lo...
Published: 01 September 2021
Fig. 2. Geologic map of central South Carolina after Horton and Dicken ( 2001 ). Location shown in Figure 1 . Black rectangles are the study areas. White triangles are gold mine locations as in Figure 1 : 1, Brewer; 2, Haile; 3, Ridgeway; and 4, Barite Hill. Yellow dashed line is the inner
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Map of the southeastern United States showing major tectonic terranes after...
Published: 01 September 2021
Fig. 1. Map of the southeastern United States showing major tectonic terranes after unpublished map (Gillon and Berry, 2013). Four gold mines are shown: Brewer, Haile, Ridgeway, and Barite Hill; all are located in lower metamorphic rank volcanic arc rocks of the Carolina terrane. Alabama (AL