Porphyry ores and E-wastes/WEEE are two of the most important copper-bearing materials
on the planet. Over 60% of world copper output comes from porphyry copper ores while E …

Porphyry deposits supply most of the world's Cu and Mo resources. Over 90% of the
porphyry deposits are found at convergent margins, especially above active subduction …

Porphyry Cu systems host some of the most widely distributed mineralization types at
convergent plate boundaries, including porphyry deposits centered on intrusions; skarn …

Advanced argillic minerals, as defined, include alunite and anhydrite, aluminosilicates
(kaolinite, halloysite, dickite, pyrophyllite, andalusite, zunyite, and topaz), and diaspore. One …

A comprehensive account of ore-forming processes, revised and updated The revised
second edition of Introduction to Ore-Forming Processes offers a guide to the multiplicity of …

Use of the concept of “sulfidation state,” in parallel with oxidation state, in the study of ore
deposits finds its beginnings with the studies of Reno Sales and Charles Meyer at Butte …

Intermediate sulfidation (IS) veins is one of the subtypes of epithermal deposits formed in
subduction-related arc settings or post-collisional orogenic belts. The economic and …

Abstract The porphyry Cu-Mo deposit in Butte, Montana, formed where magmatic
hydrothermal fluids, introduced with injections of porphyrytic dikes, fractured and permeated …

Porphyry deposits are the world's most important source of Cu and Mo, and are major
sources of Au, Ag, and Sn; significant byproduct metals include Re, W, In, Pt, Pd, and Se …

Extensive research during the 20 th century on porphyry Cu (-Mo-Au) deposits has revealed
the following major geodynamic, petrological, mineralogical, and geochemical features that …