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Sidamo Nickel-Copper Deposit-Ethiopia In Oromiya,

Oromiya, Ethiopia. 5.0011°N 39.0011°E. Overview Copper. Location 1 Aliquots. Mine Overview. The Sidamo Nickel-Copper Deposit-Ethiopia is in Oromiya, Ethiopia. Site identification and general characteristics. Learn about USGS mines. Copper and Nickel Primary Commodity.

23 Minerals in Ethiopia with Details (Gold, Gemstones,

2021-6-25 Largely found in the Wollega region of Ethiopia. There are three characteristics that define the manganese deposits in Ethiopia. 1. Residual concentration type is closely connected with secondary iron accumulations. 2. Hydrothermal type is connected with telethermal iron. 3. Sedimentary type is of marine origin. (Milan Hamrla) The Enkafela deposit in Ethiopia should be given more attention as it

GEOLOGY and MINERAL RESOURCES OF ETHIOPIA

2017-10-27 Oda- Godere Pri. Au deposits •Yubdo Platnium deposit •Bikilal, Chago,Gordana, Sirba Kore iron deposits mineralization •Keta Abetselo Base metals Mineraliz. •Fakusho Molybdenum mineraliz. •Placer Gold deposits Southern Belt:- Adola Moyale •Lege –Dembi, Sakaro, Moyale, Dawa, OkotePrimary Gold deposits occur. •Adola Nickel

The Middle Permian Hongshanliang Manto-type

2020-9-1 Hongshanliang is a typical copper deposit that is rare in the Fe (–Cu)-dominated Aqishan–Yamansu belt with only limited study. Wang (2016) suggested that the Hongshanliang copper deposit is a low-temperature hydrothermal vein-type deposit based on microthermometry of fluid inclusions (93–226 °C) without corresponding paragenetic sequences.

The metallogenic mechanism of the sandstone-type

The sandstone-type Cu deposits in the Chuxiong Basin occur in the Cretaceous Gaofengsi Formation and the Maotoushan Formation and the orebodies are stratoi The metallogenic mechanism of the sandstone-type copper deposits in the Chuxiong Basin, Yunnan Province SpringerLink

THE GEOLOGY OF THE EL SOLDADO MANTO TYPE Cu

also known as “mantos” or “manto-type” copper deposits in the literature, are the better understood. This family of deposits usually has a high copper grade (1.5-2% Cu),

SEDIMENT-HOSTED CU DEPOSITS (MODEL 30b; Cox, 1986)

2004-2-18 copper model type Model Number of Median size Copper grade Maximum size Grade of maxi-deposits in (tonnes X 10 6) (percent) (tonnes x 106) mum-tonnage model deposit (percent) Reduced (RF)1 43 32 2.3 2,6002 >22 Redbed (RB)1 17 0.12 2.8 10 0.67 Revett (RV)1,3 7 19 0.86 147 0.68 1Cox and others (1992). 2Kirkham (1989).

On the Yangtze-type copper deposits and their

1990-10-1 The so-called “Yangtze-type” copper deposits include: (1) Cu-bearing massive pyrite bed, (2) Cu-bearing skarn and magnetite-type ore deposits, with replacement Cu-vein-type deposits near the metasomatic zone, and (3) mineralized intrusive bodies and breccia pipes, some of which are known as porphyry copper ores (e. g. Chengmenshan).

Types of Copper Deposits in the World An Investor's ...

2020-9-8 There are two distinct types of copper deposits: sulfide ore and oxide ore. Currently, the most common source of copper ore is the sulfide ore mineral

Genetic Aspects of the Manto‐type Copper Deposits

2009-2-24 Principal manto-type copper deposits in Northern Chile are divided into the following five areas: Arica–Iquique, Tocopilla–Taltal, Copiapó, La Serena and Santiago . Most deposits of the areas occur in Jurassic–Lower Cretaceous volcano-sedimentary sequences, and their geologic characteristics have been summarized in review article by Sato ...

Altau Resources secures EPLs for copper and gold

2021-7-2 Granted to Altau Resources, the exploration licence covers an area of approximately 285km² in northern Ethiopia. Following the three-year period, this licence, which targets volcanogenic massive sulphide hosted copper and gold deposits, can be renewed twice for one year each, subject to a 25% reduction in area upon each renewal.

Geology and ore deposits of the Central African

2007-1-3 Sedimentary copper deposits in the CACB occur in multiple lithologies and stratigraphic positions and vary in type of mineralization and alteration, but share important characteristics. Deposits generally occur within reduced facies rocks above oxidized facies rocks at the lowest redox boundary within the Roan and lower Nguba groups.

GEOLOGY and MINERAL RESOURCES OF ETHIOPIA

2017-10-27 Geology and Mineral Potential of Ethiopia Geology underlain by rocks of Precambrian to recent Precambrian covers 25% (low-grade volcano-sedimentary rocks, high ... Au deposits •Yubdo Platnium deposit •Bikilal, Chago,Gordana, Sirba Kore iron deposits

Volcanic redbed-type copper mineralization in the Lower ...

redbed-type copper deposits. The Keshtmahaki strata-bound Cu (Ag) deposit is located in the marginal subzone of the southern Sanandaj-Sirjan Zone (SSZ), southern Iran (Fig.1a). The SSZ hosts ...

SEDIMENT-HOSTED CU DEPOSITS (MODEL 30b; Cox, 1986)

THE GEOLOGY OF THE EL SOLDADO MANTO TYPE Cu

Manto Type Copper Deposits Chile contains one of the largest copper concentrations on Earth and annually produces around 37% of the world’s copper (Camus and Dilles, 2001). Most of that production

Mining Industry Types and Distribution of Copper

2019-7-9 2 Sand shale type. Sand shale-type copper deposits refer to layer-controlled copper deposits in sedimentary rocks of different ages. It is one of the major industrial types of copper mines in the world, accounting for about 30% of the world’s copper reserves. The deposits are large in scale and high in quality, with rich associated groups ...

Genesis of the sandstone (Revett) type of copper

Genesis of the sandstone (Revett) type of copper-silver occurrences in the Belt Supergroup of northwestern Montana and northeastern Idaho ... deposits may be discovered along known and/or subsequently discovered fault trends and below known and discovered deposits, and similar type deposits may occur elsewhere in other Belt deltaic units. This ...

Genetic Aspects of the Manto‐type Copper Deposits

Copper deposits of the western Upper Peninsula of

2013-3-5 Copper deposits of the western Upper Peninsula of Michigan 85 ﬂ d024-05 1st pgs page 85 copper districts host stratiform/stratabound copper deposits in rift-ﬁ lling volcanic and clastic sedimentary rocks. These deposits were mined from 1845 to 1996 with potential revival of mining in the region as a result of exploration and development activi-

Ethiopia identifies 20 new mineral deposits this year ...

2014-7-22 Ethiopia has identified 20 new mineral deposits this year which include gypsum, limestone, marble and potash says a report from the Geological Survey of Ethiopia (GSE). The discovery of the various deposits in the northern African state,

What Are The Major Natural Resources Of Ethiopia? -

2018-6-4 The highest mountain in Ethiopia goes up to elevations of 14,872 feet. Major Natural Resources In Ethiopia . The country has a few known reserves of precious metals and other natural resources such as gold, potash, natural gas, copper, and platinum.

Tigray keeps hitting high-grade copper in Ethiopia ...

2012-2-6 A giant copper union joins push for bigger state role in Chile. The FTC, which brings together unions at Chile’s state-owned copper producer Codelco, wants privately-run mines to pay 75% of ...

Building stone of central and southern Ethiopia: deposits ...

2015-3-4 Walle, H., Zewde, S. Heldal, T. 2000: Building stone of central and southern Ethiopia: deposits and resource potential. Norges geologiske undersøkelse Bulletin 436, 175-182. The bedrock geology of Ethiopia exhibits a variety of rock types that can potentially be

SEDIMENT-HOSTED CU DEPOSITS (MODEL 30b; Cox, 1986)

A Comparative Study of Porphyry-Type Copper

Porphyry-type deposits are crucial reserves of Cu and Mo. They are associated with large haloes of hydrothermal alteration that host particular mineral assemblages. Portable X-ray fluorescence analysis (pXRF) is an increasingly common tool used by mineral prospectors to make judgments in the field during mapping or core logging. A total of 31 samples from 13 porphyry copper deposits

Models and Exploration Methods for Major Gold Deposit

2015-10-24 Deposits of the sediment-hosted type correspond to the initial sediment-hosted stockwork -disseminated type of Robert et al. (1997), as well as to the pluton-related thermal aureole gold (TAG) deposits of Wall (2000) and Wall et al. (2004). Several deposits of the sediment-hosted IR deposits

Genetic Aspects of the Manto‐type Copper Deposits

The copper deposits of Michigan - USGS

The copper district of Keweenaw Point, in the northern peninsula of Michigan, is the second largest producer of copper in the world. The output of the district since 1845 has been more than 7,500,000,000 pounds and showed a rather steady and consistent increase from the beginning of production to the end of the World War in 1918, since which there has been a marked decrease....

Copper deposits of the western Upper Peninsula of

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