Výsledky vyhledávání - "G. C. Amstutz"

Strata—bound anorthites in the Dachang Sn-poly metallic ore field, Guangxi, China

Autor: Pan Jiahua, G. C. Amstutz, G. Moh

Publikováno v: Chinese Journal of Geochemistry. 12:261-269

From the petrological study of ore-hosting rocks which contain large anorthite crystals and the occurrence and chemical composition of anorthites and related minerals, the authors consider that the large anorthite crystals are of authigenic origin.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ecbcfccd40f492dae22b1ccb9de03c7
https://doi.org/10.1007/bf02843365

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Authigenetic K-feldspars and their relations to Sn polymetallic mineralization in the Dachang ore field

Autor: Pan Jiahua, G. C. Amstutz

Publikováno v: Chinese Journal of Geochemistry. 12:270-288

Sn-polymetallic ores at Dachang, Guangxi Autonomous Region, China, are hosted in Middle-Upper Devonian reef limestones, siliceous rocks, banded and lenticular limestones, etc. Two types of orebodies can be distinguished according to their relations t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2179d1cc7847d298f01b5a6ca223c43e
https://doi.org/10.1007/bf02843366

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The formation of auriferous quartz-sulfide veins in the Pataz region, northern Peru: A synthesis of geological, mineralogical, and geochemical data

Autor: G. C. Amstutz, D. W. Schreiber, Lluis Fontboté

Publikováno v: Mineralium Deposita, Vol. 25 (1990) pp. S136-S140

The Pataz region in the eastern part of the North Peruvian Department La Libertad hosts a number of important gold mining districts like La Lima, El Tingo, Pataz, Parcoy, and Buldibuyo. Economic gold mineralization occurs in quartz-sulfide veins at t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55378646590ff3d09d1bfe6af66b1d3d
https://doi.org/10.1007/bf00205260

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The Susana Copper (-Silver) Deposit in Northern Chile Hydrothermal Mineralization Associated with a Jurassic Volcanic Arc

Autor: Lluis Fontboté, G. C. Amstutz, Frank Wolf

Publikováno v: Stratabound Ore Deposits in the Andes ISBN: 9783642882845

The Susana copper deposit is located at an elevation of 860 m above sea level in the coastal Cordillera of northern Chile (Carolina de Michilla district), 110 km north of Antofagasta at 70°10′W and 22°40′S. Initial mining began in 1981 by surfa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9ba3a7fe62af373aec0c727cbef6d58
https://doi.org/10.1007/978-3-642-88282-1_24

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The Pirén Alto Cu-(Zn) Massive Sulfide Occurrence in South-Central Chile — A Kieslager-Type Mineralization in a Paleozoic Ensialic Mature Marginal Basin Setting

Autor: W. Schira, Lluis Fontboté, G. C. Amstutz

Publikováno v: Stratabound Ore Deposits in the Andes ISBN: 9783642882845
Stratabound ore deposits in the Andes
Stratabound ore deposits in the Andes pp. 229-251

The Piren Alto Cu-(Zn) massive sulfide occurrence is a minor, noneconomic but genetically interesting ore type of the Paleozoic Coast Range ophiolite (Schira 1990) in south-central Chile. Manto-type massive Sulfides in the greenstone belt south of 38

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68eaf112ec6b6e2fff5a192eeb505161
https://doi.org/10.1007/978-3-642-88282-1_17

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