Skarn Gold Mineralization at the Geodo Mine, South Korea

Kim, Eui-Jun; Park, Maeng-Eon; White, Noel C.

doi:10.2113/econgeo.107.3.537

Cited by 27 publications

(5 citation statements)

References 16 publications

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“…The Shwe Min Bon deposit is characterized by the calcic‐oxidized skarn related to metaluminous intrusives and forms Cu–Bi–Au mineralization. This is similar to the skarn deposit at the Geodo mine, South Korea (Kim et al, ).…”

Section: Discussionsupporting

confidence: 80%

“…Skarn deposits are important sources of metals (especially Cu) and the subject of extensive scientific investigation in the recent literature (e.g. Meinert et al, , ; Calagari & Hosseinzadeh, ; Kim et al, ; He et al, ). The Shwe Min Bon (also known as Shweminbon) skarn deposit is located near the Kalaw Township in the southern Shan State and is an important Cu deposit in Myanmar within the Shan scarp zone of the Mogok metamorphic belt (MMB) (Fig.…”

Section: Introductionmentioning

confidence: 99%

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Geology and Skarn Cu–Bi–Au Mineralization at Shwe Min Bon Area, Kalaw Township, Southern Shan State, Myanmar

et al. 2018

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The Shwe Min Bon Cu-Au skarn deposit lies within one of the largest Au-Cu belts in Myanmar. The deposit is situated along the Shan scarp zone, which marks the boundary between the Myanmar central basin to the west and the Shan plateau to the east. The Shwe Min Bon deposit comprises skarn-type metasomatic alteration, and the Cu-Au mineralization occurs along the contact face between the Nwabangyi Dolomite and Shweminbon Formation and the Cretaceous dioritic rocks. The metasomatic process resulted in pro-and retrograde mineral assemblages in exoskarn. Hydrothermal activities in the Shwe Min Bon deposit are classified into prograde, retrograde stage I, and retrograde stage II. The prograde skarn is classified into a proximal garnet skarn with minor clinopyroxene and a distal wollastonite skarn. Chlorite, epidote, and tremoliteactinolite were formed during the retrograde stage I. Cu-Au mineralization mainly occurred in retrograde stage I, which was characterized by moderate temperatures (260-320 C) and fluid with a moderate salinity (5.0-6.0% NaCl equiv.). Low temperature (180-200 C) and low salinity (2.0-3.0% NaCl equiv.) were responsible for retrograde stage II. Au mineralization is mainly associated with chalcopyrite and tennantite in retrograde stage I and with tellurobismuthite in retrograde stage II.

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Section: Discussionsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Geology and Skarn Cu–Bi–Au Mineralization at Shwe Min Bon Area, Kalaw Township, Southern Shan State, Myanmar

et al. 2018

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“…However, in the Cu(–Mo–W–Fe) province, metallic deposits that have high sulfur isotope compositions are also developed, e.g. the Mujeong deposits (average 7.7‰; Kim et al ., ). These deposits were likely to have been affected by sulfur derived from the Tertiary volcanic rocks during the mineralization process through the faults commonly developed in the region (Kim et al ., ; Koh et al ., ; Choo et al ., ).…”

Section: Resultsmentioning

confidence: 97%

Sulfur Isotope Variations of Metallic Ore Deposits in the Gyeongsang Basin, South Korea

Shin

2015

Resource Geology

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Many metallic ore deposits of the Late Cretaceous to Early Tertiary periods are distributed in the Gyeongsang Basin. Previous and newly analyzed sulfur isotope data of 309 sulfide samples from 56 ore deposits were reviewed to discuss the genetic characteristics in relation to granitoid rocks. The metallogenic provinces of the Gyeongsang Basin are divided into the Au-Ag(-Cu-Pb-Zn) province in the western basin where the sedimentary rocks of the Shindong and Hayang groups are distributed, Pb-Zn(-Au-Ag-Cu), Cu-Pb-Zn(-Au-Ag), and Fe-W(-Mo) province in the central basin where the volcanic rocks of the Yucheon Group are dominant, and Cu(-Mo-W-Fe) province in the southeastern basin where both sedimentary rocks of the Hayang Group and Tertiary volcanic rocks are present. Average sulfur isotope compositions of the ore deposits show high tendencies ranging from 2.2 to 11.7‰ (average 5.4‰) in the Pb-Zn(-Au-Ag-Cu) province, −0.7 to 11.5‰ (average 4.6‰) in the Cu-Pb-Zn(-Au-Ag) province, and 3.7 to 11.4‰ (average 7.5‰) in the Fe-W(-Mo) province in relation to magnetite-series granitoids, whereas they are low in the Au-Ag(-Cu-Pb-Zn) province in relation to ilmenite-series granitoids, ranging from −2.9 to 5.7‰ (average 1.7‰). In the Cu(-Mo-W-Fe) province δ 34 S values are intermediate ranging from 0.3 to 7.7‰ (average 3.6‰) and locally high δ 34 S values are likely attributable to sulfur derived from the Tertiary volcanic rocks during hydrothermal alteration through faults commonly developed in this region. Magma originated by the partial melting of the 34 S-enriched oceanic plate intruded into the volcanic rocks and formed magnetite-series granitoids in the central basin, which contributed to high δ 34 S values of the metallic deposits. Conversely, ilmenite-series granitoids were formed by assimilation of sedimentary rocks rich in organic sulfur that influenced the low δ 34 S values of the deposits in the western and southeastern provinces.

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“…광역 지질은 영 남육괴에 속하는 선캠브리아기 변성암류를 기반암으로 하 여 고생대 조선누층군과 평안누층군으로 구성된 함백지향 사의 남익부를 따라 주로 스카른/열수교대 광상이 배태되 며, 이들 암석을 중생대 백악기의 화강암류들이 후기에 관 입하고 있다 (Choi et al, 2009). 조선누층군은 영남육괴의 상부에 부정합적으로 놓여있고, 주로 천해와 조석환경에 서 형성된 탄산염암층으로 구성되어 있다 (Kim et al, 2009). 연구지역은 천포, 덕일, 예미, 함창 등 금･은, 동, 연･…”

Section: 연구적용지역 및 데이터unclassified

GIS Based Algorithm for Monitoring of Spilling of Acid Mine Drainage in Mining Area

Huang¹,

Suh²,

Park³

et al. 2015

ksmer

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Mine hazards has distributed nationally through the abandoned mine areas, and stream water contamination by acid mine drainage threats resident's health and agricultural industry. To support stream water monitoring for spilling acid mine drainage, new techniques should be required. This study proposed the algorithm for choosing monitoring position, estimating source of acid mine drainage, comparing putative sources with path distance, passing time, and EFH index. The algorithm was applied to field data and inspected its function. And the proposed algorithm could support water quality monitoring on abandoned mine areas. Combined with in-field monitoring system, the results proposed in this study can provide useful information on water quality monitoring in mining area.

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Skarn Gold Mineralization at the Geodo Mine, South Korea

Cited by 27 publications

References 16 publications

Geology and Skarn Cu–Bi–Au Mineralization at Shwe Min Bon Area, Kalaw Township, Southern Shan State, Myanmar

Geology and Skarn Cu–Bi–Au Mineralization at Shwe Min Bon Area, Kalaw Township, Southern Shan State, Myanmar

Sulfur Isotope Variations of Metallic Ore Deposits in the Gyeongsang Basin, South Korea

GIS Based Algorithm for Monitoring of Spilling of Acid Mine Drainage in Mining Area

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