Mine detail: Caylloma Mine

Previously called 'CaullomaCayalloma'

Location:	Arequipa, Peru, South America
Lat / long:	-15.21442, -71.81628
dep_id:	10068904
mrds_id:	W002175
Commodity type:	metallic
Major mineral:	Silver, Gold
Minor mineral:	Copper, Zinc, Lead
Operation type:	Unknown
Production size:	Production occurred
Development status:	Producer
ore:	Argentite, Chalcopyrite, Galena, Sphalerite, Tetrahedrite
gangue:	Calcite, Pyrite, Rhodonite
alteration:	Wall Rock Is Pyritized And Argillized Near The Veins And May Be Strongly Propylitized For As Much As 20 M From Vein Walls.
ore_ctrl:	The Largest Vein Is San Cristobal, Containing Strongly Banded White Quartz, Pink, Green Or Brown Rhodonite, And Calcite With Pyrite, Galena, Sphalerite, Chalcopyrite, Argentite, Ruby Silver, Polybasite, And A Little Tetrahedrite. Native Silver And Pyrargyrite Found In Upper Parts Of Vein. Wavellite Has Been Reported.
Reporter:	Shaffer, Glenn L., Beougher, Delilah J. (Spanski, Gregory T.), Page, Norman J.
hrock_type:	Volcanic Rock (Aphanitic)
Structure:	The Principal Rocks Of The Caylloma Area Are Flat-Lying Andesite Volcanics. These Rocks Are In Fault Contact With Dark Carbonaceous Shales. The Volcanic Rocks Are Mainly Flows But Also Include Some Flow Breccias And Pyroclastics. All Veins Exploited Or Explored To Date (1960) Are Enclosed In Volcanic Rocks. In General The Veins Strike Ne And Dip 55-80 Se.
tectonic:	Andean Cordillera
disc_yr:	1000
discr:	The Veins Were Deeded By Charles V Of Spain To A Certain Francisco Noguerol De Vlloa In 1541, And Have Been Worked Intermittently Since That Time. They Are Among The Most Renowned Of The Peruvian Silver Deposits And Have Been Described Or Mentioned By Many Writers, (See General References).
References:	Deposit:: SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 537 Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969 Deposit:: HUNT, B., 1896, INFORME SOBRE EL DISTRITO MINERO DE CAILLOMA: SOC. GEOG. LIMA BOL., V. 6, P. 414-417. Deposit:: CARROLL, C.M., 1908, DATOS SOBRE EL BENEFICIO DE LOS MINERALES DE PLATA DE LAS MINAS DE CAYLLOMA: SOC. ING. PERU BOL., V. 10, P. 479-503. Deposit:: VELARDE, CARLOS E., 1908, LA MINERIA EN EL PERU: 365 P. LIMA, MINISTERIO DE FOMENTO, IMPRENTA LA OPINION NACIONAL, P. 253-255. Deposit:: BASADRE, CARLOS, 1918, ESTADO ACTUAL Y PORVENIR DE LA INDUSTRIA MINERA EN LOS DEPARTAMENTOS DEL SUR: CUERPO DE ING. DE MINAS DEL PERU BOL. NO. 93, 64 P., P. 20-26, 46-51. Deposit:: FORT, MICHEL, 1926, LA INDUSTRIA MINERA DEL PERU ENEL ANO DEL CENTENARIO 1921: BOL. MINAS, IND. Y CONSTR., SER. 2, V. 15, P. 61-62. Deposit:: TORRICO Y MESA, JUAN, 1888, SOMERA DESCRIPCION DEL VIAGE A LOS DEPARTAMENTOS DE AREQUIPA Y PUNO EN 1888: BOL. MINAS, IND. Y CONSTR., SER. 1, V. 4, P. 30-31. Deposit:: CAVANAGH, J., AND GLOVER, M., 1991, THE PERU REPOR* GUIDE TO MINES AND MINERS IN PERU: LIMA, PERU, PERU REPORTING SERVICIOS EDITORIALES S.R.L., P. 120-123. Deposit:: ENGINEERING AND MINING JOURNAL, 1984, NOVEMBER 1984, P. 96. Deposit:: 1960 COMPILE FRANK SIMONS, UNPUB. REP Production:: F. SIMONS, 1960, UNPUB. REP.; CAVANAGH AND GLOVER (1991); E&MJ (1984) Reserve-Resource:: METALLOGENIC MAPS OF PERU. 1969, 1972