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Sabrina Nazzareni, Simona Alunno, Federica Zaccarini, Michele Mattioli, Alessandro Murroni, Alessandro Di Michele and Alberto Renzulli
The Murcielago gold placer is located in the Lepaguare Valley, Olancho Department (Central Honduras). The placer mineralogy includes silicates (quartz, garnets, amphibole, Ca-pyroxene, micas, epidote, and tourmaline); calcite; and in the heavy fraction, ...
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Nikolaos Vlachopoulos and Panagiotis Voudouris
Serifos island is characterized by rich geodiversity, industrial and cultural heritage. The present paper focuses on the geological and mining heritage of Serifos, with the aim of integrating the island in the international environment of Geoparks, in th...
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Yuichi Morishita and Ayaka Wada
The Kamioka mine, located in Gifu Prefecture in Japan, is famous for the large water Cherenkov detector system, the Super-Kamiokande. The Kamioka skarn-type Pb?Zn deposits are formed in crystalline limestone and are replaced by skarn minerals within the ...
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María José J. Espeche,Raúl Lira,Nicolás A. Viñas
Pág. 14 - 45
On-going mining operations in a marble quarry (Cantera Centro) from Malagueño, Sierra Chica de Córdoba, Argentina, have unearthed veins, veinlets and lenses of sulfides (pyrrhotite>pyrite?chalcopyrite>>sphalerite). These veins and lenses are up ...
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Ricardo Sureda,Raul Lira,Fernando Colombo
Pág. 141 - 160
Bi-Pb-Ag-Te oxides, sulfides and sulfosalts are relatively uncommon accessory minerals in the scheelite-bearing skarn of the La Falda Metamorphic Complex (Late Precambrian-Cambrian) of the Los Guindos mining group, Pampa de Olaen, Córdoba province, Argen...
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Asahiko Sugaki,Eduardo Campos,Shoji Kojima
Pág. 139 - 155
The Panulcillo skarn copper deposit developed in an Early Cretaceous (Valanginian) volcano-sedimentary sequence intruded by a Cretaceous diorite. The exoskarn zone of the deposit is composed of garnet skarn comprising grandite garnet (Ad12.9-47.4) and ph...
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Steven F. Olson
Pág. 3 - 29
ABSTRACT. The Potrerillos district displays major facies boundaries, records changes in the compositions of magmas from Jurassic to Oligocene time, and provides evidence that a porphyry copper deposit and associated skarn (37 Ma) formed between Jurassic-...
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Lucia Cuitino G.
RESUMEN:El yacimiento de lapislazuli Flor de los Andes es el unico, de esta piedra semipreciosa, conocido en el pais. Se ubica en la Alta Cordillera de Ovalle, en la zona externa de una aureola de metamorfismo de contacto, desarrollada en un pluton monzo...
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