| Location: | Cajamarca, Peru, South America |
| Lat / long: | -7.04807, -78.29978 |
| dep_id: | 10068772 |
| mrds_id: | W002020 |
| Commodity type: | metallic |
| Major mineral: | Zinc, Copper, Molybdenum, Lead |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Prospect |
| ore: | Bornite, Chalcocite, Covellite, Galena, Molybdenite, Pyrite, Sphalerite, Tetrahedrite |
| gangue: | Quartz |
| orebody_fm: | ELONGATED |
| model: | 53: Porphyry Cu |
| alteration: | Zonal Alteration - Phyllic - Argillic And Propylitic - Typical Of Porphyry Coppers - Silicates Are Restricted To Individual Veins Similar To Butte; Potassic Zone Described For Older Porphyry Copper Has Not Been Recognized At Michiquillay. Phyllitic (Sericite, Quartz, Pyrite); Argillic (Clay Minerals, Chlorite, Pyrite); Prophylitic Zone (Rare Tourmaline). |
| conc_proc: | Secondary Enrichment, With Chalcocite. Leached Cap With Erratic Supergene Enrichment. Cap Contains 0.04% Cu. |
| ore_ctrl: | Intersection Of Hualgayoc And Encanada Faults |
| Reporter: | Goudarzi, Gus H. (Theune, C. T.), Page, Norman J. |
| hrock_unit: | Goyllarisquisga Formation;Inca Formation;Chulec & Pariatambo Formation;Yamagual & Mutarrun Formations;;Uppermost Cajamarca Formation; |
| hrock_type: | Quartzite,Shale,Limestone |
| arock_type: | Hornblendite |
| Structure: | Reg.Struct: An Inverse Fault Nw-Se That Dips 45-60 Deg. Ne., Hualgayoc Fault, N.W. Direction And Encanada Fault N.E. |
| References: |
- Deposit:: PERU-MAPA METALOGENETICO, 1969 AND GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969
- Deposit:: BUREAU DE RECHERCHES GEOLOGIQUES ET MINIERES, 1972; LES DIMENSIONES DES GESIMENTS DE CUIVRE DU MONDE: B.R.G.M. MEMOIRE NO.57 400P 5 PLATES
- Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969
- Deposit:: LAUGHLIN,Q.W., DAMON,P.E., AND WATSON,B.N., 1968, POTASSIUM-ARGON DATES FROM TOQUEPALA AND MICHIQUILLY, PERU: ECONOMIC GEOLOGY, V. 63, NO. 2, P. 166.
- Deposit:: HOLLISTER, V.F., AND SIRRAS, E.B., THE MICHIQUILLAY PORPHYRY COPPER DEPOSIT: MINERALIUM DEPOSITA, V. 9, P. 261-269.
- Deposit:: U.S. EMBASSY, LIMA, 1993, MINERO PERU PRIVITIZATION PROGRESS, U.S. DEPARTMENT OF STATE CABLE, 10/93.
- Deposit:: NOBLE, D.C. AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1, 6-13.
- Deposit:: 1950 GEOLMAP BENVIDE
- Reserve-Resource:: 1) U.S.B.M. MINERALS YEARBOOK PERU PREPRINT 1970
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