The chemistry of hydrothermal magnetite: A review
Abstract Magnetite (Fe 3 O 4) is a well-recognized petrogenetic indicator and is a common
accessory mineral in many ore deposits and their host rocks. Recent years have seen an …
accessory mineral in many ore deposits and their host rocks. Recent years have seen an …
The oxidation state, and sulfur and Cu contents of arc magmas: implications for metallogeny
JP Richards - Lithos, 2015 - Elsevier
Global data for measured Fe 2 O 3/FeO ratios and Cu contents in unaltered volcanic and
intrusive arc rocks indicate that, on average, they are slightly more oxidized than other …
intrusive arc rocks indicate that, on average, they are slightly more oxidized than other …
Porphyry copper systems
RH Sillitoe - Economic geology, 2010 - pubs.geoscienceworld.org
Porphyry Cu systems host some of the most widely distributed mineralization types at
convergent plate boundaries, including porphyry deposits centered on intrusions; skarn …
convergent plate boundaries, including porphyry deposits centered on intrusions; skarn …
100th Anniversary Special Paper: Vapor Transport of Metals and the Formation of Magmatic-Hydrothermal Ore Deposits
In most published hydrothermal ore deposit models, the main agent of metal transport is an
aqueous liquid. However, there is increasing evidence from volcanic vapors, geothermal …
aqueous liquid. However, there is increasing evidence from volcanic vapors, geothermal …
The Lower Changjiang (Yangzi/Yangtze River) metallogenic belt, east central China: intrusion-and wall rock-hosted Cu–Fe–Au, Mo, Zn, Pb, Ag deposits
Y Pan, P Dong - Ore Geology Reviews, 1999 - Elsevier
The lower valley of Changjiang, from Wuhan of the Hubei Province in the west to Zhenjiang
of the Jiangsu Province in the east, contains more than 200 polymetallic (Cu–Fe–Au, Mo, Zn …
of the Jiangsu Province in the east, contains more than 200 polymetallic (Cu–Fe–Au, Mo, Zn …
Gold in solution
Although gold is a noble metal and is effectively insoluble even in strong acids, we have
known for nearly 500 years that it can be concentrated to mineable levels by being …
known for nearly 500 years that it can be concentrated to mineable levels by being …
Gold concentrations of magmatic brines and the metal budget of porphyry copper deposits
Porphyry copper–molybdenum–gold deposits are the most important metal resources
formed by hydrothermal processes associated with magmatism. It remains controversial …
formed by hydrothermal processes associated with magmatism. It remains controversial …
The physical and chemical evolution of low-salinity magmatic fluids at the porphyry to epithermal transition: a thermodynamic study
CA Heinrich - Mineralium Deposita, 2005 - Springer
Fluid-phase relationships and thermodynamic reaction modelling based on published
mineral solubility data are used to re-assess the Cu–Au-mineralising fluid processes related …
mineral solubility data are used to re-assess the Cu–Au-mineralising fluid processes related …
Gold-rich porphyry deposits: descriptive and genetic models and their role in exploration and discovery
RH Sillitoe - 2000 - pubs.geoscienceworld.org
Gold-rich porphyry deposits worldwide conform well to a generalized descriptive model. This
model incorporates six main facies of hydrothermal alteration and mineralization, which are …
model incorporates six main facies of hydrothermal alteration and mineralization, which are …
Release of gold-bearing fluids in convergent margin magmas prompted by magnetite crystallization
A relationship between convergent margin magmas and copper–gold ore mineralization has
long been recognized,,,,,. The nature of the genetic link is controversial, particularly whether …
long been recognized,,,,,. The nature of the genetic link is controversial, particularly whether …