 | | Report (issue) | | Gold, silver, and platinum, by Victoriano Elicaiio Copper, lead, and zinc, by Antonio D. Alvir 8 10 Iron...of the numerous setbacks which mining in the Philippines has suffered, and the great handicaps with which...directed to the winning of this metal. Mountain Province still leads in production and, in spite of the...Mines, Limited, at Lianga, Surigao, in 1922, a new district was opened up. Next to gold, the most important...production has continued to increase, although no new district has been opened up. However, unless mining operations |  | | Journal (article/letter/editorial) | | be subject to the total strain exerted. jacent island of Semirara. This fuel is said to be simi lar...is known to discoveries in the geology of the Philippines which are me. The first discovery of coal in...in the island of Cebu in 1827. Since then lignitic Minas) but not published, manuscript mine reports...within some 15 or 20 miles of the capital, also named Cebu. Though a considerable amount of Semper, Santos...the northern end of each is taken as that of the island. The char seams reach a maximum thickness of 15% |  | | Journal (article/letter/editorial) | | be subject to the total strain exerted. jacent island of Semirara. This fuel is said to be simi lar...is known to discoveries in the geology of the Philippines which are me. The first discovery of coal in...in the island of Cebu in 1827. Since then lignitic Minas) but not published, manuscript mine reports...within some 15 or 20 miles of the capital, also named Cebu. Though a considerable amount of Semper, Santos...the northern end of each is taken as that of the island. The char seams reach a maximum thickness of 15% |  | Deng, Jianghong, Yang, Xiaoyong, Qi, Huasheng, Zhang, Zhao-feng, Mastoi, Abdul Shakoor, Berador, Al Emil G., Sun, Weidong (2019) Early Cretaceous adakite from the Atlas porphyry Cu-Au deposit in Cebu Island, Central Philippines: Partial melting of subducted oceanic crust. Ore Geology Reviews, 110. 102937 doi:10.1016/j.oregeorev.2019.102937 | Journal (article/letter/editorial) | | Cretaceous adakite from the Atlas porphyry Cu-Au deposit in Cebu Island, Central Philippines: Partial melting of...Cretaceous adakite from the Atlas porphyry Cu-Au deposit in Cebu Island, Central Philippines: Partial melting of...Cretaceous adakite from the Atlas porphyry Cu-Au deposit in Cebu Island, Central Philippines: Partial melting of...Mines and Geosciences Bureau Region VII (MGB-7), Mandaue 6014, Philippines *Corresponding author: Yang...weidongsun@gig.ac.cn Abstract In the Philippine island arc system, there are widely developed Cenozoic |  | | Report (issue) | | Laboratory of the Bureau A mine in Hen^uet Hot sprinji^s at Tiui, Albay Province AND MAPS. Facing page...and (loodman. in the Aron^y mining Mashate, district, Messrs. Ickis. 'roj)()graj)hie and geolo... Preliminary investigation of the gold-hearing region of ('agayan de Misamis, Mindanao, Mr. lekis. 7...appreciated and su])ported hy the men mining of the Philippines. There are nuiny factors which affect any industry...impress upon the minds of the prospectors and mine owners the desirahility of conservative advertising |  | | Report (issue) | | Suern ooast of Zamboanga Peninsula. banuns of this region were studied by Mr. Christie during two periods...postpaid. of the making THE SUGAR INDUSTRY IN THE ISLAND OF NEGROS By 1 RoniNSON This paper is a concise... This book is a history of the Moros in the Philippines from the earliest times to the American occupation...occupation. Considered utility, tioal In the Island Mr. of A MANUAL OF PHILIPPINE SILK CULTURE By Charles... THE METALS The Paracale District, by F. T. Eddingfield The Aroroy District, Masbate, by Warren D. Smith |  | Deng, Jianghong, Yang, Xiaoyong, Zhang, Li-peng, Duan, Liuan, Mastoi, Abdul Shakoor, Liu, He (2020) An overview on the origin of adakites/adakitic rocks and related porphyry Cu-Au mineralization, Northern Luzon, Philippines. Ore Geology Reviews, 124. 103610pp. doi:10.1016/j.oregeorev.2020.103610 | Journal (article/letter/editorial) | | porphyry CuAu mineralization, Northern Luzon, Philippines Jianghong Deng, Xiaoyong Yang, Li-peng Zhang...porphyry Cu-Au mineralization, Northern Luzon, Philippines, Ore Geology Reviews (2020), doi: https://doi...porphyry Cu-Au mineralization, Northern Luzon, Philippines Jianghong Deng1-4, Xiaoyong Yang4*, Li-peng...xyyang555@163.com; 1 Abstract 2 The Philippine island arc is famous for the widely developed large porphyry...one of the most Cu-Au enriched areas in the Philippines, which develops Late- 5 Oligocene to Pleistocene |  | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...names may be used to refer to a single deposit or mine. For large deposits or mineralized areas, a 3 single...third order administrative area, basin/formation/region(area)/deposit, and deposit/site name. Guano and...third order administrative area, basin/formation/region(area)/ deposit, deposit/site name, deposit type...Basin/Fmt/Region (area)/Deposit and Deposit/Site_Name, is meant to identify the area, deposit, district, mine |  | | Journal (article/letter/editorial) | | to Catalina Island, an island resort 22 miles s.w. of Long Beach, Calif. Catalina Island (also known...Santa Catalina) is 23 miles long and 10 wide. The island is known for minerals and Mr. Shalevetz was good...local name for a mineral found in abundance on the island and said to consist of jasper and limestone. Two...stalactitic mass. Collected off the east end of the island. Opal (Cacholong). Chalky white crust on a gray...(Chalcedony). Grayish pebbles from east end of island. Quartz (Milky). Nice pebble found on beach. Limestone |  | | Journal (article/letter/editorial) | | "Cassiterite is the only tin mineral found in the district. The crystals are black or a dark mahogany color...crystals are largely found in the pegmatites of the district. "In the general area the following minerals are...kyanite, magnetite, microcline, muscovite, olivine, pyrite, quartz, sillimanite, topaz, tourmaline, zircon...found small purple cubes of fluorite (y4 in.) and pyrite (]4 in.). One piece of the weathered rock had a...drusy quartz; the locality is the Aurora Quicksilver Mine in San Benito Co., Calif. A new occurrence for scheelite |  | | Report (volume) | | color shaded-relief aeromagnetic map of north-central Minnesota. Color changes represent broad changes...and Bracken, R.E., Aeromagnetic survey of north-central Minnesota, chap. T of Scott, R.W., Jr., Detra,...Gordon P. Eaton, Director Published in the Central Region, Denver, Colorado Manuscript approved for publication...Associated with Base- and Precious-Metal Deposits in Central Idaho By Karl V. Evans, Lawrence W. Snee, and Robert...Deposits in the Terrill Mountains Area, Holy Cross District, Churchill County, Nevada By Stephen G. Peters |  | | Journal (issue) | | and Smelting Company of British Columbia, and the Mine and Exploration Division of the Canadian Forestry...“The Mineralogy and Geology of the Silence Lake Mine” was published in Lapis (May 1985), and he was a...Colorado he worked as a miner at the Climax molybdenum mine. Benjy married Elizabeth Ann Spangler, and they...as a civil engineer for the Metropolitan Water District. While working in the desert on the electric transmission...collecting; they took field trips to the Mesa Grande district, the Crestmore quarry, and other localities, and |  | | Report (issue) | | 54.94 iron 55.85 cobalt 58.93 nickel 58.69 copper 63.55 zinc 65.39 gallium 69.72 germanium 72..................................... R6 Magmatic Copper–Nickel–Platinum-Group-Metal Sulfide Deposits................................... R6 Iron Oxide-Copper-Gold Deposits................................................................................. R15 Mine Waste Characteristics........................................................................ R17 Mine Closure........................................ |  | | Book | | deposit of Needle Hill Mine, Hong Kong 13 Lok On Pai desalting plant 13 High Island reservoir 14 Mass-transit...Development Centre 39 39 46 Geology of Penang Island Kuala Dipang granite quarry Bider Malaya Tin Sdn...Bougainville Copper, Ltd. The Philippines 46 Marinduque Mining and Industrial Corporation 49 Atlas Consolidated... T. International Nickel Indonesia 54 Bangka Island - t in 56 Bandung (Java) 57 Republic of Korea...Tongyang talc mine 57 Chungju talc plant 57 Sukpo zinc refinery 57 Jangsong coal mine 59 J1;1pan |  | | Journal (article/letter/editorial) | | an in a recent letter he writes: "Bastnaand old mine tunnel located west of Tucson. There were also calcite...much of the barite with cal- tain Pass, Calif. The mine is about 3 miles cite and galena." David P. Record...Mart, 4400 Mission Road, road leads to the mine. The mine consists of one shaft. Some bastnasite has...crystals. It is an attractive speciassaying. This mine will be a potential men. source of cerium metal...was announced in the March-April, 1950, manganese mine near Glen wood, Pike ROCKS AND MINERALS, p. 123 |  | | Journal (article/letter/editorial) | | 699–716 Porphyry fertility in the Northparkes district: Indicators from whole-rock geochemistry— T.J...2020 Fluorite as indicator mineral in iron oxide-copper-gold systems: Explaining the IOCG deposit diversity—Tobias...of mineral chemistry to exploration for porphyry copper-gold-molybdenum deposits: Detecting the geochemical...116298 SEM study of the surface of arsenopyrite and pyrite from the Natalkinskoe deposit, northeastern Russia—R...groups, South Qinling and implications for porphyry copper mineralization— Biji Luo, Hongfei Zhang, Liqi Zhang |  | | Journal (article/letter/editorial) | | red vanadinite xls and coming from the Red Cloud mine (about 30 miles N . of Yuma), Yuma Co., Ariz., have...1st to Oct. 15th, I advise staying out of this district unless you have a desert man along. Be glad to...letter dated Sept. 17, 1954, Byron C. Marshall, 204 Central Ave., Hot Spring National Park, Ark., sends in...sections of northern Arkansas and southern and central Missouri. In coastal plain of northern Arkansas...were modified by the octahedron. Found in the Lark mine, San Juan Co., Colo." CONNECTICUT—We are indebted |  | | Journal (issue) | | Siderite, Tavistock, Devon. Xld., partly invested w . Pyrite. 3x2 ¼ .••.. 3.50 Another. large xld. mass w. some...attractive. . ............ . 10.00 Ge ntftite, Wood's Mine. Pa. With Zaratite coating rock. 3x2. . ...... ...6 A RECENT FORMATION OF CALCITE IN AN ABANDONED MINE. By A lbert L. K idu·e/1 ............................................................ 22 SOME PHILIPPINES CO PPER MINES .................................saying that the sea reached in over southern Long Island and eroded the southern border of the terminal |  | | Journal (article/letter/editorial) | | Ariz., sent R & M a number of specimens from the copper mines of his town. The specimens are extremely...tenorite. When it comes to beautiful minerals, the copper mines of Arizona rank high in the mineral world...of black, crystallized ferberite from the Conger Mine, near Nederland, Boulder Co., Colo. It is good to...Can anyone supply information on the occurrence? District oí Columbia—On a recent visit to Washington, the...dark reddish pebble of andalusite from Bailey's Island, Casco Bay, Cumberland Co., Me. Mrs. Constance |  | | Journal (article/letter/editorial) | | account for more than 45 percent of the world's copper production, nearly 30 percent of the silver production...and build the huge plutonic masses for the great copper porphyries. The wealth of the Andes has attracted...deposits and mining and smelting oxidized copper ores in central Peru about 1500 B.C. By the time the Spanish...magmas are rich in silver and others are rich in copper remains a subject of geologic research. However...similar in location and age. In the highlands of central Peru, the deposits have veins rich in lead and |  | | Journal (article/letter/editorial) | | when a new pocket was broken into in the Mammoth Mine, Tiger, (Pinal Company), Arizona." ARKANSAS — Another...xled cyrtolite was found last year in the Pine District, Jefferson Co., Colo., so we were informed by...Colo., June 26-29, 1952. CONNECTICUT — The old copper mine near Bristol, Hartford Co., Conn., used to produce...but interesting fossils in road "fill" here in central Florida and that is a point some tourist collectors...interest I do recommend shell collecting on the Island of Sanibel !" GEORGIA — Nice specimens of blackgreen |  | | Journal (article/letter/editorial) | | Catchment; Granite ŽProbst, A. Ž170. 203. Acid mine drainage; Pyrite; Sulfide dissolution; Microorganisms ŽEdwards...Erosion; Normalization ŽRoulet, M. Ž165. 243. Amazon region; French Guiana; Rainfall chemistry; Kinetics; Chlorite;...organic carbon ŽDOC. ŽPokrovski, G.S. Ž163. 151. Copper; EXAFS; High temperature; Chloride ŽCollings, M...Geochronology; Manganese oxides; Weathering; Neogene; Central Europe ŽHautmann, S. Ž170. 37. 40 Ar r39Ar geochronology;...Iso-volume; Chemical weathering; Granite; Toledo, Central Spain, Europe ŽChiquet, A. Ž170. 19. Calcium |  | de Freitas Toledo, Poliana Iara, Penteado Natividade Moreto, Carolina, Xavier, Roberto Perez, Gao, Jianfeng, da Silva Nogueira de Matos, José Henrique, de Melo, Gustavo Henrique Coelho (2019) Multistage Evolution of the Neoarchean (ca. 2.7 Ga) Igarapé Cinzento (GT-46) Iron Oxide Copper-Gold Deposit, Cinzento Shear Zone, Carajás Province, Brazil. Economic Geology, 114 (1) 1-34 doi:10.5382/econgeo.2019.4617 | Journal (article/letter/editorial) | | Cinzento (GT-46) Iron Oxide Copper-Gold Deposit, Cinzento Shear Zone, Carajás Province, Brazil Poliana Iara...Iara de Freitas Toledo,¹,† Carolina Penteado Natividade Moreto,¹ Roberto Perez Xavier,¹ Jianfeng Gao,² José...Abstract The Igarapé Cinzento (GT-46) iron oxide copper-gold deposit is located in the northwestern part...of the Cinzento shear zone in Carajás province, Brazil. Copper mineralization in the deposit is hosted...and (5) granitoid emplacement at ca 2.5 Ga in the region. The GT-46 deposit is the result of overprinting |  | | Journal (article/letter/editorial) | | Carajás Mineral Province, located in northern Brazil, comprises the oldest iron-oxide copper-gold mineralizing...of other IOCG deposits in the Carajás Mineral Province suggests that the mineralizing fluids may have...ore. Key-words: Iron-oxide copper-gold deposits, Carajás Mineral Province, Neoarchean, vertical zoning...75 76 77 78 79 80 81 1. Introduction Iron oxide copper-gold (IOCG) provinces consist of a set of contemporaneous...deposits are distributed in the Carajás Mineral Province (CMP), which hosts world-class Cu-Au mineralization |  | | Journal (article/letter/editorial) | | azurite on malachite occur in the copper mines at Sulzur, Prince of Wales Island, Alaska. ARIZONA—"Bisbee (Cochise...chromite with greenish chrome amphibole from Camp 8 Mine, Del Norte Co., Calif., was sent in by Carroll R...City, Calif. ARKANSAS—"The Coleman quartz crystal mine is located 14 miles north of Hot Springs (Garland...were a sort of coating on several rocks near an old mine. I am very interested in what they are, thought...Colo. The crystals are platy, white calcite. "The mine is located about 3 miles from where you pay the |
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