WebThe major products from porphyry copper deposits are copper and molybdenum or copper and gold. The term porphyry copper now includes engineering as well as geological considerations; It refers to large, … Porphyry is the name given to decorative granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass. The larger crystals are called phenocrysts. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone, valued for its appearance, but other colour…

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WebThis is based on the exploration and studies of numerous copper (copper-gold porphyry and skarn, also IOCG) exploration targets and projects, as well as a number of gold deposits and prospects in the North America and Northern Asia, the latter ranging from stockwork bulk tonnage to veined high-grade intrusion-related and “orogenic” gold types. Extensively … dickeybow boutique wakefield

A regional petrogenetic–metallogenic perspective on the Kighal porphyry …

WebJan 9, 2024 · Hole S22-330 intersected 100 metres grading 0.23% copper and 0.19 g/t gold (0.42% copper equivalent) from 40 metres downhole before encountering an altered quartz porphyry intrusion at depth on ... WebJul 1, 1998 · Lateral flow to the northwest and progressive mixing with ground water diluted the magmatic component to 1:1 at a distance of 4 km from the porphyry. At the depth of … WebDec 1, 2015 · There is a granite porphyry intrusion beneath the Baishan Mo ore bodies discovered by recent exploration drilling, and the Cu–Mo minerals are widely distributed in … citizens bank prime rate today