Sulfosalt melts: Evidence of high-temperature vapor transport of metals in the formation of high-sulfidation lode gold deposits

Economic Geology

Volumn 105, Issue 2, 2010, Pages 257-262

  Mavrogenes, John ^a   Henley, Richard W ^a   Reyes, Agnes G ^b   Berger, Byron ^c  

^a AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^b GNS SCIENCE   (New Zealand)

^c DENVER FEDERAL CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ENARGITE; FIELD EMISSION SEM; FLUID INCLUSION; HIGH TEMPERATURE; HIGH-TEMPERATURE DEPOSITION; MAGMATIC FLUIDS; MINERAL ASSEMBLAGE; QUARTZ CRYSTAL; QUENCHED MELTS; SULFIDATION; SULFOSALTS; SYMPLECTIC; VAPOR PHASE; VAPOR TRANSPORT; VEIN DEPOSITS;

COPPER COMPOUNDS; DEPOSITS; FRACTURE; GOLD; GOLD COATINGS; MINERALOGY; QUARTZ; SILICATE MINERALS; SILVER DEPOSITS; SULFUR; TRANSPORT PROPERTIES; VAPORS;

GOLD DEPOSITS;

ARRAY; FLUID INCLUSION; GOLD; HIGH TEMPERATURE; MAGMATISM; METAL; MINERAL DEPOSIT; PRESERVATION; SCANNING ELECTRON MICROSCOPY; SULFOSALT GROUP;

COLORADO; SOUTH AMERICA; UNITED STATES;

EID: 78149299026     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.105.2.257     Document Type: Article

References (15)

1. Bethke, P.M., Rye, R.O., Stoffregen, R.E., and Vikre, P.G., 2005, Evolution of the magmatic-hydrothermal acid-sulfate system at Summitville, Colorado: Integration of geological, stable-isotope, and fluid-inclusion evidence: Chemical Geology, v. 215, p. 281-315.
2. Einaudi, MT., Hedenquist, J.W., and Inan, E.E., 2003, Sulfidation state of fluids in active and extinct hydrothermal systems: Transitions from porphyry to epithermal environments: Society of Economic Geologists, Special Publication, v. 10, p. 285-313.
3. Jannas, R.R., 1995, Reduced and oxidized high sulfidation deposits of the El Indio district, Chile: Unpublished Ph.D. dissertation, Cambridge, Massachusetts, Harvard University, 421 p.
4. Jannas, R.R., Bowers, TS., Petersen, U., and Beane, R.E., 1999, High-sulfidation deposit types in the El Indio district, Chile: Society of Economic Geologists, Special Publication, v. 7, p. 219-266.
5. Lewis, R.W., 1956, The geology and ore deposits of the Quiruvilca district, Peru: ECONOMIC GEOLOGY, V. 51, p. 41-63.
6. Maske, S., and Skinner, B.J., 1971, Studies of the sulfosalts of copper I. Phases and phase relations in the system Cu-As-S: ECONOMIC GEOLOGY, V. 66, p. 901-918.
7. 2S): ECONOMIC GEOLOGY, V. 96, p. 205-210.
8. Morey, G.W., and Heselgesser, J.M., 1951, The solubility of some minerals in superheated steam at high pressures: ECONOMIC GEOLOGY, V. 46, p. 821-835.
9. Pokrovski, G.B., Borisova, A.Y., and Harrichoury, J-C., 2008, The effect of sulfur on vapor-liquid fractionation of metals in hydrothermal systems: Earth and Planetary Science Letters, v. 266, p. 345-362.
10. Posfai, M., and Buseck, PR., 1998, Relationships between microstructures and composition in enargite and luzonite: American Mineralogist, v. 83, p. 373-382.
11. Ruggieri, G., Lattanzi, P., Luxoro, S.S., Dessi, R., Benvenuti, M., and Tanelli, G., 1997, Geology, mineralogy, and fluid inclusion data of the Furtei highsulfidation gold deposit, Sardinia, Italy: ECONOMIC GEOLOGY, V. 92, p. 1-19.
12. Rye, R.O., 1993, The evolution of magmatic fluids in the epithermal environment: The stable isotope perspective: ECONOMIC GEOLOGY, V. 88, p. 733-752.
13. 2O-NaCl at elevated temperatures and pressures: American Journal of Science, v. 260, p. 115-141.
14. Tomkins, A.G., Pattison, D.R.M., and Zaleski, E., 2004, The Hemlo gold deposit, Ontario: An example of melting and mobilization of a precious metalsulfosalt assemblage during amphibolite facies metamorphism and deformation: ECONOMIC GEOLOGY, V. 99, p. 1063-1084.
15. Wang, Y., Sasaki, M., Sasada, M., and Chen, C-H., 1999, Fluid inclusion studies of the Chinkuashih high-sulfidation gold-copper deposits in Taiwan: Chemical Geology, v. 154, p.155-167.