(PDF) Mesothermal gold vein mineralization of the …

Mesothermal gold vein mineralization of the Samdong mine, Youngdong mining district, Republic of Korea . × ... An unusual mesothermal gold-silver deposit of the Youngdong area. By Kevin Shelton. Mineralogy and Fluid inclusion studies of the Au-Cu quartz veins in the Hamash area, South-Eastern Desert, Egypt.

Gold mineralization of the Chencai-Suichang Uplift and …

Select search scope, currently: articles+ all catalog, articles, website, & more in one search; catalog books, media & more in the Stanford Libraries'' collections; articles+ journal articles & other e-resources

Mesothermal Gold Vein Mineralization of the Seolhwa …

2009-12-1 · Gold mineralization of the Seolhwa mine occurs in a single stage of massive quartz veins which filled the north‐east‐trending fault shear zones in the Jurassic granitoid of 161 Ma within the Gyeonggi Massif. The vein quartz contains three main types of fluid inclusions at 25°C: (i) aqueous type I inclusions (0–15 wt.% NaCl) containing small amounts of CO2; (ii) gas‐rich …

Jurassic Mesothermal gold mineralization of the …

Jurassic (166 + or - 2 Ma) gold vein deposits of the Samhwanghak mine, Youngdong area, are examples of mesothermal gold deposits in the Republic of Korea. The deposits are composed of gold-bearing but relatively sulfide-poor massive quartz veins which occupy shear zones in graphite-bearing paragneiss of Precambrian age.Vein quartz was deposited mostly prior to …

Mesothermal gold mineralization in a Proterozoic …

1992-10-1 · These ages, along with an age from the Tartan Lake mesothermal deposit (1791 + or - 4 Ma) in the Flin Flon domain, indicate that fluid flow related to hydrothermal activity along the shear zones in the western Flin Flon domain occurred periodically over a period of about 30 Ma.These Proterozoic gold occurrences are similar to Archean ...

A review of the mesothermal gold deposits of the …

1998-4-1 · The Meguma Terrane has several excellent examples of mesothermal gold mineralization (Boyle, 1986). Historically, the gold in the Meguma Terrane was believed to be restricted to high-grade narrow quartz veins. Recent re-evaluation and discoveries of disseminated low-grade bulk mineable gold has important implications for exploration in Nova ...

Chapter 31: 2.9. Mesothermal

Advanced Algorithms for Mineral and Hydrocarbon Exploration Using Synthetic Aperture Radar is a research- and practically-based reference that bridges the gap between the remote sensing industry and the mineral and hydrocarbon exploration industry. In this context, the book explains how to commercialize the applications of synthetic aperture radar and quantum interferometry …

Geochronology and structural relationships of …

Geochronology and structural relationships of mesothermal gold mineralization in the Palaeoproterozoic Jokisivu prospect, southern Finland - Volume 147 Issue 4

Mesothermal and Greenstone Gold Deposits AKA …

2016-11-23 · As we mention mesothermal veins to form from the earliest period of the earth''s history right up until today. However the majority of the greenstone belt gold deposit formed in two main pulses at the end of the Archean and in the early Proterozoic. I.e. around 2.7 billion years ago and 2.1 billion years ago. Although it sounds a very long ...

Origin of Pan-African mesothermal gold mineralisation at …

2000-8-1 · The origin and significance of non-aqueous CO2 fluid inclusions in the auriferous veins of Bin Yauri, northwestern Nigeria. I. Garba, S. Akande. Geology. 1992. Non-aqueous CO2 and CO2-rich fluid inclusions are found in the vein quartz hosting mesothermal gold-sulphide mineralization at Bin Yauri, northwestern Nigeria.

Jurassic mesothermal gold mineralization of the …

Jurassic mesothermal gold mineralization of the samhwanghak mine, Youngdong Area, Republic of Korea: Constraints on hydrothermal fluid geochemistry. Chil Sup So, Seong Taek Yun. Department of Earth and Environmental Sciences; Research output: Contribution to journal › Article › peer-review. 28 Citations (Scopus)

ORE MINERALIZATION, ALTERATION AND …

2015-12-17 · Awak Mas is a mesothermal, metamorphic-hosted gold deposit. The gold is associated with sulphur-poor, sodic-rich fluids introduced at a relatively late stage in its tectonic history. Albite-pyrite-silica±carbonate alteration generally accompanies gold deposition and overprints the ductile fabric associated with

Compositional characteristics of fluid inclusions as …

1997-1-1 · Select search scope, currently: articles+ all catalog, articles, website, & more in one search; catalog books, media & more in the Stanford Libraries'' collections; articles+ journal articles & other e-resources

Sci-Hub | Characterization of Granites Associated With …

WAN, Y., DING, Z., NIU, G., & WANG, Z. (2014). Characterization of Granites Associated With Gold Mineralization From Heishishan Area, Gansu Province.

Geochemical characteristics of mesothermal gold …

2013-7-18 · Gold mineralisation is present in alluvial and eluvial placers and primary veins from several parts of supracrustal (schist) belts in the north-west and southwest of Nigeria. ... Geochemical characteristics of mesothermal gold mineralisation in the Pan-African (600 ± 150 Ma) basement of Nigeria. I. Garba. Pages 319-325 Published online: 18 Jul ...

OUTCROP SILVER INTERCEPTS 6.93 METRES AT 2,184 …

2022-7-27 · Outcrop Silver & Gold Corporation (TSXV: OCG) (OTCQX: OCGSF) (DE: MRG1) ("Outcrop") is pleased to announce the results from three additional drill holes within the Naranjos vein on its owned Santa Ana high-grade silver-gold project in Colombia. Los Naranjos is 350 metres to the northwest of and parallel to the Santa Ana vein system. Los Naranjos shows …

Mesothermal Gold Mineralization in the Boseong …

Abstract. Within the Boseong-Jangheung area of Korea, five hydrothermal gold (-silver) quartz vein deposits occur. They have the characteristic features as follows: the relatively

(PDF) Structural controls on mesothermal gold …

1989-1-1 · The ~ 1.5 Moz Yaouré gold deposit, which is located within the Birimian greenstone belts of central Côte d''Ivoire (West Africa), is associated with two …

Geochronology and structural relationships of …

1. Introduction. The Palaeoproterozoic Svecofennian orogen in Finland contains a number of gold occurrences of various genetic types; many of these could be classified as orogenic gold linked to shear zones (Eilu et al. Reference Eilu, Sorjonen-Ward, Nurmi and Niiranen 2003).Some prospects have been studied in detail; however, these studies were mostly restricted to the …

Epithermal Gold Deposits | Geology for Investors

2021-8-13 · The term epithermal was coined to describe a relatively shallow deposit. It comes from the Greek word "epi" meaning shallow, while "thermal" refers to the heated fluid necessary for the deposit''s formation. There are two …

Mineralization of Greenstone and Mesothermal Deposits

2015-3-23 · First we need an Archean craton to provide the deep source of gold. I believe that even in the cases, Proterozoic Greenstone/Orogenic belt, the gold is often sourced from underlined the Archean crust. Secondly we need a major tectonic event to thicken the crust and trigger partial melting of the deepest portion. I.E we need structure.

Structural controls on Tertiary orogenic gold …

2006-9-23 · Orogenic (mesothermal) gold deposits have formed in a range of structural settings in collisional mountain belts throughout geological time (Goldfarb et al. 2001; Groves et al. 2003).The economically most productive of these deposits formed in ancient mountain belts that are now exposed after long-term deep erosion to the middle crust (Bierlein and Crowe 2000; …

Mesothermal gold vein mineralization of the Samdong …

Mesothermal gold mineralization at the Samdong mine (5.5-13.5 g/ton Au), Youngdong mining district, is situated in massive quartz veins up to 1.2 m wide which fill fault fractures within upper amphibolite to epidote-amphibolite facies, Precambrian-banded biotite gneiss. The veins are mineralogically simple, consisting of iron- and base-metal ...

Structural Controls on Mesothermal Gold Mineralization: Examples from ...

Mesothermal gold mineralization in a Proterozoic

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QUARTERLY ACTIVITIES REPORT JUNE 2022

The Blackdome Gold Mine includes relatively unexplored epithermal gold mineralization that was historically produced approximately 230,000 ounces of gold at an average mill head grade of 10.5 g/t gold (1985-1991). The Blackdome Gold Mine includes a fully permitted process plant and associated tailings storage facility.

Mesothermal-Type Mineralization in the Sabie-Pilgrim''s …

instance, in terms of total gold production it is comparable with the Juneau gold belt in Alaska (Redman, 1986). The Sabie-Pilgrim''s Rest gold field is found near the east- ern margin of the Bushyeld Complex (Fig. 1). It is thought that the complex covered the gold field during the time of mineralization and that folding and multiple periods of ...

MESOTHERMAL GOLD MINERALIZATION IN THE …

2019-9-27 · Gold was first discovered over a cen - tury ago, and was produced in small quantities from a vein-hosted deposit. The early exploration of this area is a fascinating part of Newfoundland''s mining history. Gold mineralization in the Sops Arm group is epigenetic and is associated with mesothermal-style quartz and quartz-car -

THE GEOLOGY OF GOLD DEPOSITS

2018-6-20 · Multiphase Mineralization in Concordant and Discordant Gold Veins, Dome Mine, South Porcupine, Ontario, Canada ..... David C. Proudlove, Richard W. Hutchinson, and DeanS. Rogers 112 Structural Controls on Mesothermal Gold Mineralization: Examples from …

Structural Controls on Mesothermal Gold Mineralization: …

Abstract. Archean mesothermal gold mineralization is commonly located in brittle-ductile structures active during the late deformation events of greenstone belt

Contents | Geological Society, London, Special Publications …

1999-1-1 · Fractures, Fluid Flow and Mineralization Edited By: ... Deformational controls on the dynamics of fluid flow in mesothermal gold systems. Stephen F. Cox; ... Thrust-fracture network and hydrothermal gold mineralization: Witwatersrand Basin, South Africa. S. J. Jolley, I. H. C ...

Mineralization of Greenstone and Mesothermal …

2015-3-23 · First we need an Archean craton to provide the deep source of gold. I believe that even in the cases, Proterozoic Greenstone/Orogenic belt, the gold is often sourced from underlined the Archean crust. Secondly we need a major …

Mesothermal Vein Gold Deposits | INN

2016-6-3 · Mineralization commonly occurs in shoots within the vein structures. Grades of gold historically have been in the 13.7 to 17.1 g/t range with cut-off around 8.6 grams per tonne.

Jurassic mesothermal gold mineralization of the …

1997-2-1 · Jurassic mesothermal gold mineralization of the Samhwanghak Mine, Youngdong area, Republic of Korea; constraints on hydrothermal fluid geochemistry ... Mesothermal gold vein deposits of the Youngdong area were formed by extensive fracturing and veining during the Jurassic Daebo orogeny and developed from fluids that may have included an ...