Commodities
PrimaryNickel, Chromium
SecondaryGold, Platinum, Palladium, Silver, Copper
TertiaryIron, Cobalt
Commodity typeM
Deposit
Deposit sizeY
Orebody formIRREGULAR, LENS
Materials
Ore mineralsChalcopyrite, Chromite, Goethite, Gold, Hematite, Magnetite, Pentlandite, Pyrrhotite, Silver
GangueAntigorite, Asbestos, Chlorite, Chrysotile, Garnierite, Tremolite
Geology
Host rockGabbro,Peridotite,Dunite,Pyroxenite · Sandstone, Fossiliferous Limestone;Ultrabasic Rocks
Associated rockUltramafic Intrusive Rock,Peridotite,Dunite,Pyroxenite · Ultrabasic Rocks
StructureVery Closely To A Basal Contact To The Ultramafic To Mafic Rock Mass. Gravity Fault Nw Trending
Tectonic settingOphiolite
AlterationSerpentinization
Economic & production
Development statusProducer
First production1935
Discovery year1950
Identification
Deposit ID10111259
MRDS IDW029722
Alternate namesSanta Cruz
RegionAS
Data scoreA
Coordinates15.71673, 120.06599
References
PARINGIT 1975: NICKEL SULFIDE DEPOSITS AND EXPLORATION WORKS AT ACOJE MINE;JOURNAL OF THE GEOL. SOC. OF THE PHILIPPINES, VOL.XXIX,SEPT.1975, NO.3BGR, JAN. 1978, ROHSTOFFWIRTSCHAFTLICHE LAENDERBERICHTE, PHILIPPINEN.DEYOUNG AND OTHERS, 1984, INTERNATIONAL STRATEGIC MINERALS INVENTORY SUMMARY REPORT-- CHROMIUM: U.S. GEOLOGICAL SURVEY CIRCULAR 930-B, 41 P.PHILIPPINE BUREAU OF MINES AND GEO-SCIENCES, 1986, GEOLOGY AND MINERAL RESOURCES OF THE PHILIPPINES, VOLUME 2: MINERAL RESOURCES: MANILA, PHILIPPINES, PHILIPPINE BUREAU OF MINES AND GEO-SCIENCES, 446 P.BROWN, B.C., 1972, MINERAL INDUSTRY OF THE PHILIPPINES: 1972 U.S. BUREAU OF MINES MINERALS YEARBOOK, P. 13.ENGINEERING AND MINING JOURNAL, 1976, INTERNATIONAL DIRECTORY, P. 269.IRVING, E.M., AND HULIN, C.D., 1950, POTENTIAL NI-PT MINE AT ACOJE, SANTA CRUZ, ZIMBALES: PHILIPPINE GEOLOGY, V. 4, NO. 4.WEST, J.M., 1972, PLATINUM-GROUP METALS: U.S. BUREAU OF MINES MINERALS YEARBOOK, VOL. 1, P. 1052.ROA, C., 1953, CHROMITE IN PHILIPPINES: PHILIPPINE BUREAU OF MINES INFORMATION CIRCULAT NO. 15, P. 8.ISMIPHILIPPINE BUREAU OF MINES AND GEO-SCIENCES, 1986.DEYOUNG AND OTHERS, 1984; PHILIPPINE BUREAU OF MINES AND GEO-SCIENCES, 1986