(PDF) Lithocaps – characteristics, origins and significance for ...
Nov 27, 2017 · Lithocaps are subsurface, broadly stratabound alteration domains that are laterally and vertically extensive. They form when acidic magmatic-hydrothermal fluids react with …
Lithocaps are subsurface, broadly stratabound alteration domains that are laterally and vertically extensive. They form when acidic magmatic-hydrothermal fluids react with wallrocks during …
Characteristics and genesis of the Fanshan lithocap, Zhejiang …
Oct 1, 2022 · The lithocap, first defined by Sillitoe (1995), is a volumetrically significant domain of pyrite-rich rocks with extensive hypogene silicic, advanced argillic, and argillic alterations that …
Formation of the Fanshan lithocap and implications for exploration …
Mar 1, 2020 · A lithocap is a type of alteration system that has undergone advanced argillic and argillic alteration and is mainly composed of acid-sulfate alteration minerals characterized by …
Lithocaps - characteristics, origins and significance for porphyry …
May 23, 2023 · Lithocaps are subsurface, broadly stratabound alteration domains that are laterally and vertically extensive. They form when acidic magmatic-hydrothermal fluids react with …
Modeling the Formation of Advanced Argillic Lithocaps: Volcanic …
Nov 1, 2013 · The most extensive lithocap alteration, residual quartz and/or quartz-alunite, is commonly offset from the surface projection of the causative intrusion. This observation can …
Lithocaps are permeable lithologic horizons that are altered to residual quartz with halos of quartz-alunite and other advanced argillic minerals; they are formed by acidic condensates of …
Exploration of Porphyry Copper Lithocaps - AusIMM
Lithocaps are potentially voluminous zones of advanced argillic and associated argillic alteration located above the subvolcanic intrusive environment. They constitute exploration objectives for …
A discussion of characteristics, genesis of lithocaps and their ...
The lithocap, as first defined by Sillitoe (1995), is a volumetrically significant domain of pyrite-rich rocks with extensive hypogene silicic, advanced argillic and argillic alterations that formed …
(PDF) Geology, hydrothermal alteration, geochemistry, mineral ...
Feb 1, 2017 · The lithocap at Bantug extends over 6 km, and has an approximate thickness of 600 m, transitioning downwards into hornfels that has developed in the Pliocene-Pleistocene …