Gibson, P. C. (1992). The calera vein system, Orcopampa District, Southern Peru: association of tectonism, magmatism and hydrothermal activity in the formation of a bonanza Ag-Au deposit (Doctoral dissertation, University of Nevada, Reno).

Reference Search (possible matching items)

	Gibson, Peter Craig, Noble, Donald C., Larson, Lawrence T. (1990) Multistage evolution of the Calera epithermal Ag-Au vein system, Orcopampa District, southern Peru; first results. Economic Geology, 85 (7) 1504-1519 doi:10.2113/gsecongeo.85.7.1504	Journal (article/letter/editorial)
	MultistageEvolutionof the CaleraEpithermalAg-Au Vein System, OrcopampaDistrict, SouthernPeru: First Results...bordersthe vein at depth and yieldslaterallyto sericite-richrock within a few metersof the vein, whereasalteredwall...whereasalteredwall rockwith abundantsericitebordersthe vein in upperlevels.Earlystagematerialis cut andbrecciatedby...ut50 percentof the precious metal valuesof the Calera system.Late quartz and sphalerite+ galenaveinswith...found preferentiallyin a zone of intersectionof vein splitsthat appearsto have controlled fluidflow.
	de los Rios, Hugo Candiotti, Noble, Donald C., McKee, Edwin H. (1990) Geologic setting and epithermal silver veins of the Arcata District, southern Peru. Economic Geology, 85 (7) 1473-1490 doi:10.2113/gsecongeo.85.7.1473	Journal (article/letter/editorial)
	Epithermal Silver Veins of the Arcata District, Southern Peru HUGO CANDIOq'rI DE LOS Rios, MauricioHochschildy..., S.A.,AvenidaRep•blica de Panamd3055, Lima 27, Peru DONALD C. NOBLE, MackaySchoolof Mines,Universityof...possiblyoverliesa buried intrusion.SixK-Ar ageson vein andwall-rockadularia and aluniteclustercloselyaround5...e,other Ag sulfosalts, argentiantetrahedrite,acanthite,andelectrum.Thesemineralsare accompanied by pyrite...of baseto preciousmetals with depth.In the Mari6n vein, an earlybasemetalstageextendsfrom 150 m or morebelow
	*Petersen, Ulrich, Vidal C., Cesar E., Noble, Donald C. (1990) A special issue devoted to the mineral deposits of Peru; preface. Economic Geology, 85 (7) 1287-1295 doi:10.2113/gsecongeo.85.7.1287*	Journal (article/letter/editorial)
	A SpecialIssueDevoted to the Mineral Depositsof Peru Preface ULRICH PETERSEN, Departmentof Earth and...PerubarS.A.,Juan de Arona 830 (Of 90I), Lima 27, Peru AND DONALD C. NOBLE MackaySchoolof Mines, Universityof...problems:(1) downward drop in gradeor lossof the vein, (2) excessive water, and (3) insufficientlabor...wasmostlyusedfor the treatment of silver and gold ores in Peru, Bolivia, and Mexico (RodriguezHoyle, 1974). In...1879. Exploratorydrilling for petroleumstartedin Peru in 1863, five yearsafter the Drake well was completedin
	Leroy, J. L., Hube, D., Marcoux, E. (2000) EPISODIC DEPOSITION OF Mn MINERALS IN COCKADE BRECCIA STRUCTURES IN THREE LOW-SULFIDATION EPITHERMAL DEPOSITS: A MINERAL STRATIGRAPHY AND FLUID-INCLUSION APPROACH. The Canadian Mineralogist, 38 (5) 1125-1136 doi:10.2113/gscanmin.38.5.1125	Journal (article/letter/editorial)
	epithermal gold deposits, Cirotan (Indonesia), Orcopampa (Peru) and Cavnic (Romania). In these deposits, the...2.6 wt% NaCl eq., the final comb quartz from Orcopampa excepted. Two isenthalpic boiling events are recorded...fluid inclusions, boiling, Cirotan, Indonesia, Orcopampa, Peru, Cavnic, Romania. SOMMAIRE Les minéraux de...faible teneur en soufre, Cirotan (Indonésie), Orcopampa (Pérou) et Cavnic (Roumanie). Dans ces gisements...éq. NaCl (exception faite du quartz terminal à Orcopampa). Deux épisodes d’ébullition (isoenthalpique)

Go to top of page

Acanthite from Calera vein, Orcopampa District, Castilla Province, Arequipa, Peru

Acanthite from
Calera vein, Orcopampa District, Castilla Province, Arequipa, Peru