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gold deposits from the anka area

gold deposits from the anka area

Evaluation of Stakeholders’ Roles in the Management of ...

Anka is one of the major areas where gold deposits are located within the Schist belt of North-western Nigeria (Wuyep et al ., 2007). According to Garba (2000) and Garba (2003), the Schist belt is ...

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Gold Deposits and Their Geological Classification

2016-11-20  The deposits occur in districts containing subvolcanic intrusionsand other massive sulphide deposits that contain proportionately lessgold. They are hosted mostly by felsic volcanic tuffs and derived schist,near their interface with basalt or sedimentary strata. The host rocks aretypically sericitized and chloritized, and some deposits are enveloped byzones of aluminous alteration resulting from extreme

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Genesis of the hydrothermal gold deposits in the Canan ...

2013-12-18  The Canan area (Honduras) is characterized by a gold-bearing ore deposit that is associated with quartz-veined shear zones. Gold mineralization occurs in low-to medium-grade metamorphic host-rocks (graphitic and sericitic schists). Hydrothermal fluids, which are associated with the emplacement of Cretaceous-Tertiary granodioritic intrusions, are responsible for the formation of

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The ‘Jiaodong type’ gold deposits: Characteristics, origin ...

2015-3-1  The Jiaodong Peninsula in the eastern part of the North China Craton (NCC) constitutes China's richest gold province (), and one of the major gold fields in Asia (Goldfarb et al., 2014).The Early Cretaceous (ca. 125–120 Ma; Goldfarb and Santosh, 2013, Yang and Santosh, 2014) gold deposits in this region have been broadly classified into two types: (1) the Linglong-type occurring as ...

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Genetic features of gold and silver deposits from the ...

2011-2-23  1. M. M. Konstantinov, A. K. Bystrova, and V. Yu. Fridovskii, “Stratigraphic Levels of the Localization of Gold and Silver Deposits in the Verkhoyansk and

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An Early Cretaceous gold metallogenesis in the Wuhe area ...

Known gold deposits in this area usually have close relationships with these Yanshanian magmatic dikes in space (Zhang et al., 2019). The gold deposits in the Wuhe area along the TLFZ include Tianjinghu, Fang’an, Rongdu, Hekou, Xiban and Xiashishan . A group of small size gold deposits in this region, such as Rongdu (3.63 t Au), Xiban (1.49 t ...

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Gold mineralization in the Mazowe area, Harare-Bindura ...

In the Mazowe area some 40 km NW of Harare in Zimbabwe, gold mineralization is hosted in a variety of lithologies of the Archean Harare-Bindura-Shamva greenstone belt, in structures related to the late Archean regional D2/3 event. Conspicuous mineralzogical differences exist between the mines; the mainly granodiorite-hosted workings at Mazowe mine are on pyrite-rich reefs, mines of the ...

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Where are Gold Deposits in Canada

2016-10-5  The Yellowknife gold camp on Great Slave Lake is the principal producing area. “Most of the gold deposits are auriferous quartz veins or quartz bodies associated with a little schist or other altered wall rock, and in most instances contain not more than about 1 percent of such minerals as pyrite, galena, sphalerite, chalcopyrite, and ...

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Geology, mineralization, and geochronology of the Qianhe ...

2013-1-19  The Qianhe gold deposit in the Xiong’ershan area is located along the southern margin of the Archean-Paleoproterozoic North China Craton. The deposit consists of six orebodies that are hosted in Paleoproterozoic andesites to basaltic andesites and structurally controlled by roughly EW-trending faults. Individual orebodies comprise auriferous quartz veins and disseminated Au-bearing pyrite ...

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How to Identify a Gold Bearing Area Sciencing

2017-4-25  Gold is mainly found in two types of deposits: lode (hard rock veins) and placer (surface). Locating the richest gold bearing areas primarily involves research, planning, dedication and funds. In other words, those who study geological surveys, land formations, rock structures and gold prospecting history prior to prospecting may have a better ...

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Gold deposits in the Xiaoqinling-Xiong'ershan region ...

The gold-rich Xiaoqinling-Xiong'ershan region in eastern Shaanxi and western Henan provinces, central China, lies about 30-50 km inland of the southern margin of the North China craton. More than 100 gold deposits and occurrences are concentrated in the Xiaoqinling (west), Xiaoshan (middle), and Xiong'ershan (east) areas. Late Archean gneiss of the Taihua Group, and Middle Proterozoic ...

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QUARTERLY REPORT ON ACTIVITIES FOR PERIOD ENDED

2011-7-29  spanning 2,645 km2 covering prospective gold areas on and adjoining the schist belts in northwest Nigeria, including the Anka, Maru and Birnin Gwari belts (Figure 1). The Company holds a further 14 Exploration Licence Applications (“ELAs”) covering an area of 1,375 km2.

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The ‘Jiaodong type’ gold deposits: Characteristics, origin ...

2015-3-1  The Jiaodong Peninsula in the eastern part of the North China Craton (NCC) constitutes China's richest gold province (), and one of the major gold fields in Asia (Goldfarb et al., 2014).The Early Cretaceous (ca. 125–120 Ma; Goldfarb and Santosh, 2013, Yang and Santosh, 2014) gold deposits in this region have been broadly classified into two types: (1) the Linglong-type occurring as ...

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Placer gold deposits of Arizona

2020-4-2  gold-quartz veinlets and stringers scattered throughout the bedrock of the adjacent mountain ranges. In only a few localities was the gold in large placer deposits de­ rived from well-defined vein systems mined for the lode-gold content. The most productive placer mining era was 1858-80, when rich deposits of placer gold were

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Laterite-saprolite Au - USGS

DESCRIPTIVE MODEL OF LATERITE-SAPROLITE Au By Gregory E. McKelvey BRIEF DESCRIPTION SYNONYM: Eluvial gold placers (Boyle, 1979), Au-bearing saprolite (Becker, 1895). DESCRIPTION: Au disseminated in laterite and saprolite that developed under conditions of tropical weathering (fig. 32) over a wide variety of bedrock types but distal to known bedrock gold deposits.

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GOLD MINING AND MILLING IN THE WICKENBURG AREA,

2018-3-9  The area is served by t";70 brctnches of the Atchison, Topeka, and Sa.'I1ta Fe Railroad. The main bremcn r'tL'l1.S south from Ash Fork on tl1.e main line in northern Arizona to Phoenix, ~'I1d the other from Cadiz, Calife, on the main line through Parker to the Ash Fork branch. Wickenourg is

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History, Tectonic Setting, and Models for Instrusion ...

2008-1-1  Gold Mineralization at the Anomaly A Deposit, Clarence Stream Area, Southwestern New Brunswick: Distal Deposits of a Syn-Deformational Intrusion-Related Gold System? Exploration and Mining Geology Geologic, Geochemical, and Geochronological Constraints on the Genesis of Gold Mineralization at Poplar Mountain, Western New Brunswick, Canada

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World's top 10 gold deposits - MINING.COM

2013-8-7  August 8, 2013 at 5:54 pm. It’s very much a truism, that most of the Really big gold deposits are these big multi-element deposits. Penasquito, Metates, Red Chris, Pebble, Bingham Canyon, Batu ...

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James Bay Area Mineral Resources Endowment -

GOLD. Endowment. Gold endowment as of December 31, 2019 for the James Bay area not including inferred resources was just over 4.41 million ounces. Adding the inferred resources of 2.82 million ounces increases total gold endowment to 7.23 million ounces. Prior to 2014, historical gold production was 40,000 ounces which came from the Eastmain mine.

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Mesothermal and Greenstone Gold Deposits AKA

2016-11-23  Mesothermal gold deposits form half way up through the rise of the melt from the deep crust to the surface usually at a depth of less than 10 km but greater than 1 km. temperatures at these depths are generally somewhere between 450 degrees and

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Reconnaissance Investigation of the Placer Gold Deposits ...

2013-8-23  Loose deposits of gold were found in the Zarkashan River valley that year, leading to the identification of the area as a prospective gold zone. The 1967 geological survey included detailed studies of primary ore bodies and placer deposit zones, resulting in the calculation of gold reserve estimates (Peters and others, 2011b).

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Data and results for GIS-based identification of areas ...

2021-6-24  This data release contains the analytical results and evaluated source data files of geospatial analyses for identifying areas in Alaska that may be prospective for different types of lode gold deposits, including orogenic, reduced-intrusion-related, epithermal, and gold-bearing porphyry. The spatial analysis is based on queries of statewide source datasets of aeromagnetic surveys, Alaska ...

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Where is gold found in Nigeria? Find out all the top details

2019-1-19  States where gold is found in Nigeria. Gold is a natural resource deposit which is mostly found in Iperindo in Osun State and other areas near Maru particularly Gurmana, Tsohon Birnin Gwari-Kwaga, Malele, Anka, Okolom-Dogondaji, and Bin Yauri. Other Nigerian states that also have gold resource deposits are, Abuja, Abia, Bauchi, Cross River, Edo ...

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ZIMBABWE'S GOLD POTENTIAL Miningreview

2008-2-14  Zimbabwe is perhaps the only country whose colonisation by Europeans was a direct result of its perceived rich and wide variety of gold deposits. The Portuguese occupied parts of the country in the 17th century and traded in gold with local miners. Following the accounts of the Portuguese, and information gathered by 19th century explorers and hunters, a lot of interest on Zimbabwe’s gold ...

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DNR Open-File Project 392: Regional Survey of Gold in Till ...

2021-8-21  April 27, 2017 April 27, 2017 - DNR Open-File Project 392: Regional Survey of Gold in Till, Cook Area, St. Louis County. Summary and Data: This is a release of a report that integrates different types of geological data from pebbles collected in surface soils at 11 different sample sites in St. Louis County.It also presents recommendations for future work in the sampled area.

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GOLD MINING AND MILLING IN THE WICKENBURG AREA,

2018-3-9  The area is served by t";70 brctnches of the Atchison, Topeka, and Sa.'I1ta Fe Railroad. The main bremcn r'tL'l1.S south from Ash Fork on tl1.e main line in northern Arizona to Phoenix, ~'I1d the other from Cadiz, Calife, on the main line through Parker to the Ash Fork branch. Wickenourg is

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Largest Gold Deposits in the World – Witwatersrand Gold ...

2016-11-14  The gold fields of the Witwatersrand Basin in South Africa are, by a landslide, the largest single gold producing district in the world. It has produced some 2 billion ounces over a century of mining and at an average grade of 15 g/t Au with a

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World's top 10 gold deposits - MINING.COM

2013-8-7  August 8, 2013 at 5:54 pm. It’s very much a truism, that most of the Really big gold deposits are these big multi-element deposits. Penasquito, Metates, Red Chris, Pebble, Bingham Canyon, Batu ...

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Geophysical exploration for gold and associated minerals ...

2009-9-8  The occurrences of gold and disseminated sulfides lie as a part of the shearing fault zone that extends from the north to the south of the study area for a length of about 25 km. The gold and disseminated sulfides are located on the alteration shear zone which is composed of quartz–feldspathic highly ferruginated rock (gossans) occupying the ...

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Big Sky Country Sapphire: Visiting Montana’s Alluvial Deposits

Among Montana’s secondary deposits, Rock Creek (figure 2) is the only area mined specifically for sapphire from its discovery in 1892 until World War II (Clabaugh, 1952). Figure 2. Among all of Montana’s secondary sapphire deposits, Rock Creek has been

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