 | | Journal (article/letter/editorial) | | ELEMENT GEOCHEMISTRY OF ENARGITE IN THE MANKAYAN DISTRICT, PHILIPPINES C. L. DEYELL†,1,*AND J. W. HEDENQUIST2...single ore system. Samples come from the Mankayan district, Philippines, which hosts the Lepanto high-sulfidation...orebody. Introduction The Mankayan mineral district of northern Luzon, Philippines, is one of the richest...mining districts in the Philippine archipelago. The region hosts several porphyry copper and epithermal precious...This study uses the same sample suite from the Mankayan district that was studied by Mancano and Campbell |  | | Journal (article/letter/editorial) | | Lepanto Far Southeast Porphyry Cu-Au Deposit, Mankayan, Philippines Akira IMAI Abstract: The Lepanto Far Southeast...enargiteluzonite Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody consists...heterogeneous entrapping in the two-fluid unmixing region. Sulfur isotopes of aqueous sulfide and sulfate...associated magmatic hydrothermal deposits in the western Luzon arc. The Lepanto Far Southeast (FSE) porphyry Cu-Au...deposit in the Mankayan Mineral District, Benguet Province, northern Luzon, Philippines (e.g., Gonzalez |  | | Journal (article/letter/editorial) | | deposits such as Chinkuashih, Taiwan, Lepanto, Philippines, and Goldfield, Nevada, formed within 1500 m of...later discussion – Chinkuashih, Taiwan, Lepanto, Philippines, and Goldfield, Nevada – we show that while specific...astride a collisional plate boundary where the Luzon arc of the Philippine Sea plate obliquely collides...Lepanto, Mankayan district, Philippines The Lepanto high-sulfidation deposit, located in the Mankayan mineral...mineral district, Luzon Island, Philippines, is analogous to Chinkuashih in that the far-field tectonic stress |  | | Journal (article/letter/editorial) | | different naming tradition, IS deposits in the Cordillera have been termed “Cordilleran polymetallic\base...“carbonate-base metal Au deposits” in the circum-Pacific region (e.g., Leach and Corbett, 1994; Corbett and Leach...(10-90 vol%), pyrite – enargite – luzonite – famatinite – covellite as major ore minerals, quartz – sulfate...sporadic IS deposits were also reported in Altiplano province (Noble et al., 1990) as well as central and Northern...Grancea et al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua New Guinea (Sillitoe |  | | Journal (article/letter/editorial) | | Go|dfieldite from the Marian Gold Deposit, Northern Luzon, Philippines U. Knittel Department of Geology, University...University of Melbourne, Parkville, Victoria, Australia With 3 Figures Received September 20, 1988; accepted...Arsenian goldfieldite from the Marian Gold Mine, Philippines, which is hosted by the Cordon Syenite Complex...Goldfieldit aus der GoldlagerstiJtte Marian, Nord-Luzon, Philippinen As-reicher Goldfieldit der Marian Gold...(1907), who investigated ores from the M o h a w k Mine, Goldfield, Nevada. An analysis by Palmer, published |  | | Journal (article/letter/editorial) | | Red Mountain, CO6, Underground sample, Longfellow Mine, Red Mountain, Silverton, Colorado). Images: a)...for fluid inclusions in enargite at Lepanto, Philippines, suggested a much lower temperature range (less...compositions of coexisting phases in the enargite–famatinite system at Chinkuashih, Goldfield and El Indio...Abbreviations; En, enargite, luz, luzonite, Fam, Famatinite, hcp, hexagonal close packed, ccp, cubic close...is defined between enargite and the luzonite– famatinite solid solution series (Skinner, 1960) where these |  | | Journal (article/letter/editorial) | | Resolution (Superior dist.) Lepanto & Guinaoang (Mankayan dist.) Reko Diq Cotabambas Toquepala & Cuajone...the latest Cretaceous to Paleocene (Laramide) province of southwestern North America, middle Eocene to...Iran, and Pliocene belts in New Guinea and the Philippines (Fig. 1; Sillitoe, 1998; Hill et al., 2002; Perelló...complexes and maar-diatreme systems (e.g., Mankayan district, Philippines and Grasberg; Sillitoe and Angeles...1988; Dilles and Proffett, 1995), Tampakan, Philippines (Rohrlach and Loucks, 2005), and Yanacocha (Longo |  | Cooke, David R., McPhail, Derry C., Bloom, Mark S. (1996) Epithermal gold mineralization, Acupan, Baguio District, Philippines; geology, mineralization, alteration, and the thermochemical environment of ore deposition. Economic Geology, 91 (2) 243-272 doi:10.2113/gsecongeo.91.2.243 | Journal (article/letter/editorial) | | Epithermal GoldMineralization, Acupan, BaguioDistrict,Philippines: Geology, Mineralization, Alteration,andthe Thermochemical...formedat 0.65 Ma at Acupan,Baguio district, Philippines, duringa periodof highK magmatism. Low-salinity...oneof several centralandsouthern sections of the mine(Fig. 2). It is the epithermal deposits in the B... EPITHERMAL Au MINERALIZATION, ACUPAN,BAGUIODISTRICT,PHILIPPINES 245 246 COOKE ET AL. Acupan !togon 'x... EPITHERMAL AuMINERALIZATION, ACUPAN, BAGUIODISTRICT,PHILIPPINES SHAFT 247 1400 •1200 1700 "•:•' ':'•' 1000 |  | | Book | | Ohya Mine, Miyagi Prefecture ... . ... . . . .. . .................(H. Imai). . .. 3. Takatori Mine, Ibaragi...Kim, Y. Fujiki and S. Takenouchi).... 5. Komori Mine, Kyoto Prefecture . . . ..... .. . .....(H. Imai...Structure and Fluid Inclusion Studies at the Taishu Mine, Nagasaki Prefecture ..... .... ...(H. fmai, S....7. Sado Mine, Niigata Prefecture .... ............ (H. Imai and M. Buono).... 8. Mikawa Mine, Niigata...Osarizawa Mine, Akita Prefecture .... .... ........... ....... (H. Imai).... 10. Ani Mine, Akita Prefecture |  | | Journal (article/letter/editorial) | | indicators High (10–80 vol.%) Enargite/luzonite/famatinite Typical metal signature Au-Ag-Cu ± Bi ± Te...deposits appear to be confined to the central Andean region. Paleosurface features normally only survive in...in Southeast Asia and the southwestern Pacific region if they are exceptionally young, as in the case...the systems (e.g., Mac-Ban geothermal field, Philippines; Capuno et al. 2010; Fig. 1b). Hydrothermal eruption...(Vikre 2007). The Victoria and Teresa IS veins in the Mankayan district, Philippines, must be even deeper |  | | Journal (article/letter/editorial) | | of Eanh Sciences, Monosh University, Claytott, Victoria 3168, Aastrali.a TJLRICHIC\IffTEL, Insrttut fi)r...by Ransome et al. (1909) n ores from the Mohawk mine at Goldfiel4 Nevada. Thompson (1946) summarizedthe...minerals (e.g., tetrahedrile + calaverite, or famatinite + bismuthinite + calaverite or sylvanite), even... For a goldfieldite specimen from the Claremont mine at Goldfield, he obtained an X-ray pattem analogous...erroneous assumption that pect, northwestem Luzon, Philippines (Trudu and Knittel, low S is caused by a |  | | Report (chapter) | | Japan, the North Island of New Zealand, the Philippines, Fiji and Spain are described. They are commonly...northwest it impinges on the Sonoran Basin and Range province and in the southeast, south of the Trans-Mexico...Chalcopyrite, galena and sphalerite dominate at the lowest mine levels. Gulf of Fonseca area, E1Salvador-Nicaragua-Honduras...rocks of similar age are known from the Aguacate cordillera, Costa Rica. They resemble those of San Sebastian...predominate over those of silver. Altiplano-Puna region, Peru-Bolivia-Chile-Argentina = " ~trt" ~ -I |  | | Journal (article/letter/editorial) | | silicon. H. W. Seebachite, a new Zeolite from Victoria, in Australia. By M A XB A U E(Jahrbuch R fur...granular fiiling between corundum. I n the Culsagee mine, Alabama, is found a black tourmalin containing...various fibrolite-slates wit,hin the serpentine region of Delaware and Pennsylvania, probably originating...Fumatiwa belongs to a range of mountains in tlie Province la Rioja of the Argentine Republic, which, in...and of famatinite ( a ) from the MejicanaUpulungos Mine, and ( b ) from the Mejicana-Verdione Mine, is shown |  | | Catalog/List | | PHONE (406) 363 3601 A.JOITE CRYSTALS New Cornelia mine, Ajo, Pima County, Arizona. Hydrated copper aluminum...materials. !"to!" $5.00 BISMUTHINITE CRYSTALS in FAMATINITE Cerro de Pasco, Peru. Bismuth sulfide and copper...BISMUTHINITE imbedded in pinkish gray metallic famatinite. Choice specimens of each mineral associated...acicular bismuthinite crystals along with tiny famatinite. Many of the specimens will produce fine MICROMOUNTS...and S7. 50. BOURNONITE COGWHEEL CRYSTALS Keystone mine, Crested Butte, Colorado. A lead copper antimony |  | | Journal (article/letter/editorial) | | sometimes a little chalcopyrite, tetrahedriteor famatinite. 228 WALDEMAR LINDGREN. The principalprimary...a little pyritein places,alsotetrahedriteand famatinite. There are a few leadshootsand the coppershootscontaina...dependentuponprocesses of oxid'ation. In any one mine within the copperzonelead and coppershootsmay occurin...Magnified •5o diameters; ordinary light. Gemini mine. B. Banded jasperoid showing grains of galena and... Ordinary light; magnified 25 diameters. Gemini mine. PLATEIX ECONOMIC GEOLOGY. VOL.X. iI .. PROCESSES |  | | Journal (article/letter/editorial) | | Churchill County Chalk Mountain District Chalk Mountain mine: calcite, cerussite, chlorargyrite, descloizite...(top). Clinotyrolite spray, 3.4 mm across, Lovelock mine, Churchill County. Figure 2 (bottom). Wulfenite...Lovelock mine: annabergite, atacamite, ciinotyrolite, erythrite, retgersite, tyrolite Nickel mine: annabergite...prospects: beryl, chrysoberyl, dumortierite Key West mine: chalcopyrite, glaukosphaerite, godlevskite(?),...spenylite, violarite Gold Butte District Azure Ridge mine: aurichalcite, chrysocolla, hemimorphite, malachite |  | | Book (edition) | | Indite polysynthetic strong, cream to dark brown Famatinite Romanéchite anomalous red greenish to bluish...polysynthetic Rathite Idaite Luzonite Enargite Famatinite Reflection Colour & Ø Reflectance pinkish greys... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL |  | | Journal (article/letter/editorial) | | intermediate between luzonite and famatinite. It is identical with the 'famatinite' from Chile analysed by A...an alteration product of ehalcopyrite in the Alma mine, Leona Heights, Alameda Co., California. Named after...after Mr. G. Chalmers, the super, intendent of the mine. C hocolate-stone. See lacroisite. Chromocyclite...pinkishbrown colour and metallic lustre, from the Mohawk mine, Keweenaw Co., 3~ichigan. Analyses agree approximately...12SiO~. 8H~O. France. Named after M. Lassalle, a mine proprietor. Ledouxite. J.W. Richards, Amer. Journ |  | | Journal (issue) | | crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil...Santiago de Chuco province, department of La Libertad PASTO BUENO G r o u p (Cordillera Blanca G roup).................. Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u a n z a l...district, Cajatambo province, department of Lima Pachapaqui district, Bolognesi province, department of Ancash... Dos de mayo province, department of Huanuco Huanzala mine Mercedes mine Chiurucu mine Uchucchacua district |  | | Journal (issue) | | monthly by The Earth Science Publishing Company, 77 Victoria St., Revere, Mass. Entered as second class matter...Mexican Hat, Utah, is a landmark in the Four Corners region, where the state lines of Utah, Colorado, Arizona...writer, who has specialized in the stratigraphy of a region which includes northwestern New Mexico, this error...utilizing the heat of oxidation of DIGEST COPPER > MINE. its sulfur, and this in addition generates power...1949 and 1950 excavations in the Clovis-Portales Region of Eastern New Mexico. It has been quite generally |  | | Journal (issue) | | monthly bv The Earth Science Publishing Company, 77 Victoria St., Revere, Mass. Entered as second class matter...Field Geologists, Annual Field Meeting. Oct. 14-15, Region of Bangor, Maine. “American Association of Petroleum...paleontologists left behind the Cenozoic valley fills. Now a region of late Paleozoic to middle Mesozoic exposures...M. Highway 9%6, entered the San Pedro Mountain region. Before dropping into the valley of the Rio Puerco...AUGUST 1950 Runoff was excessive over a_ broad region extending from Nebraska, Missouri, and Kentucky |  | | Book (volume) | | Mio-Pliocene Crustal Compression in the Southern Philippines Bruce D, Rohrlach and Robert R, Loucks ........existence o f a new uncon formity-vein style uranium province in the Proterozoic o f the Great Sandy Desert...mineralisation in two locations in Mindanao, Philippines. During the next 15 years on his many excursions...the largest deposits in any established porphyry province. For a discussion of the accepted terminology...and the similar aged Tampakan deposit in the Philippines (see Rohrlach and Loucks, also in this puiblication) |  | | Journal (issue) | | Bariand Sorbonne Paris, France Bill Birch Museum of Victoria Melbourne, Australia Michael P. Cooper Nottingham...Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper |  | | Journal (issue) | | new species which he ha discovered at the Tip Top mine was named robertsite in his honoi Roberts was founder...cm, collected in 1867 at Grube Louise (the Louise mine), Biirdenbach, Westerwald, West Ger many. Photo...6-12 cm, Adamite with Hemimorphite from the Ojuela mine, pale green and purple Naica fluorites in small...descriptions. HISTORY Marble quarrying in the Carrara region began over 2000 years ago, following the Roman...m e 18, J u ly -A u g u st, 1987 Figure 10. Famatinite, dark bronze colored crystal with enargite, 2 |  | | Journal (issue) | | yereyewewewsewewewewywe” FROM WOOD'S CHROME MINE... ... LANCASTER COUNTY, PENNA., one of the earliest...Published monthly E } Science Publishing Company, 77 Victoria S Revere Mass. Entered as second class matter...19 Dr. Harry 8S. Ladd, who has served in an administrative capacity in the Geologic Division of the U... TatSALLAKAKET The shaded area represents Province. during the 1949 season. It was suggested that...standing on an archeological site overlooking Province. The Kukpowruk River is shown to the left of center |
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