Pressure fluctuations, phase separation, and gold precipitation during seismic fracture propagation

Geology

Volumn 24, Issue 5, 1996, Pages 395-398

  Wilkinson, J J ^a   Johnston, J D ^b  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

^b TRINITY COLLEGE DUBLIN   (Ireland)

Author keywords

[No Author keywords available]

Indexed keywords

FRACTURE; GOLD DEPOSITS; MINERALOGY; PRECIPITATION (CHEMICAL); SEISMOLOGY; SODIUM CHLORIDE;

FLUID INCLUSION DATA; GOLD MINERALIZATION; GROWTH MECHANISMS; POWER LAW EXPONENT; POWER LAW RELATION; PRESSURE FLUCTUATION; SPATIAL AND TEMPORAL VARIATION; TENSILE FRACTURES;

PHASE SEPARATION;

FLUID INCLUSION; FLUID PRESSURE; FRACTURE PROPAGATION; GOLD; MINERALIZATION; PHASE EQUILIBRIUM; POWER LAW; PRECIPITATION (CHEMISTRY); QUARTZ VEIN; PHASE SEPARATION; PRESSURE VARIATION;

IRELAND; CROAGH PATRICK; MAYO;

EID: 0029751156     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1996)024<0395:PFPSAG>2.3.CO;2     Document Type: Article

References (13)

1. Aherne, S., Reynolds, N. A., and Burke, D., 1992, Gold mineralization in the Silurian and Ordovician of South Mayo, in Bowden, A., et al., eds., The Irish minerals industry 1980-1990: Dublin, Irish Association for Economic Geology, p. 39-49.
2. Bodnar, R. J., Binns, P. R., and Hall, D. L., 1989, Synthetic fluid inclusions - VI. Quantitative evaluation of the decrepitation behaviour of fluid inclusions in quartz at one atmosphere confining pressure: Journal of Metamorphic Geology, v. 7, p. 229-242.
3. 2-NaCl fluids at high pressures and temperatures: Geochimica et Cosmochimica Acta, v. 47, p. 1247-1275.
4. Brown, P. E., 1989, FLINCOR: A fluid inclusion data reduction and exploration program: Second Biennial Pan-American Conference on Research on Fluid Inclusions, January 1989, Program with Abstracts: Blacksburg, Virginia Polytechnic Institute, p. 14.
5. Herrington, R. J., and Wilkinson, J. J., 1993, Colloidal gold and silica in mesothermal vein systems: Geology, v. 21, p. 539-542.
6. Johnston, J. D., 1992, The fractal geometry of vein systems: The potential for ore reserve calculation, in Bowden, A., et al., eds., The Irish minerals industry 1980-1990: Dublin, Irish Association for Economic Geology, p. 105-117.
7. Johnston, J. D., and McCaffrey, K. J. W., 1996, Fractal geometries of veins systems and the variation of scaling relationships with mechanism: Journal of Structural Geology (in press).
8. Johnston, J. D., and Phillips, W. E. A. P., 1996, Terrane amalgamation in the Clew Bay region, west of Ireland: Geological Magazine (in press).
9. Ramboz, C., Pichavant, M., and Weisbrod, A., 1982, Fluid immiscibility in natural processes: Use and misuse of fluid inclusion data: Chemical Geology, v. 37, p. 1-48.
10. Robert, F., Boullier, A. M., and Firdaous, K., 1995, Gold-quartz veins in metamorphic terranes and their bearing on the role of fluids in faulting: Journal of Geophysical Research, v. 100, p. 12861-12879.
11. Shepherd, T. J., Rankin, A. H., and Alderton, D. H. M., 1985, A practical guide to fluid inclusion studies: London, Blackie, 239 p.
12. Sibson, R. H., Robert, F., and Poulsen, K. H., 1988, High-angle reverse faults, fluid pressure cycling, and mesothermal gold deposits: Geology, v. 16, p. 551-555.
13. Vrolijk, P., and Myers, G., 1990, Fluid pressure history in subduction zones; evidence from fluid inclusions in the Kodiak accretionary complex, Alaska, in The role of fluids in crustal processes: Washington, D. C., National Academy Press, p. 148-157.