 | | Journal (article/letter/editorial) | | mineralization in the Atacama segment of the South American Andes, northern Chile (26°15'-27°25'S) Received:...magmatism and the rich ore deposits of northern Chile have been the focus of numerous studies. Significant...feature of the geology of this part of northern Chile is the existence of n o r t h - south to north-east-...alteration and cama segment - Andes - northern Chile mineralization (Baker and Guilbert, 1987; Colley...metallogenic belts Introduction (Fig. 1): (1) along the Atacama Fault System; (2) along the Inca de Oro Belt; (3) |  | | Journal (article/letter/editorial) | | alteration together locally with a tourmaline-pyrite-kaolinite-dickite assemblage. Tin-polymetallic veins are...formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the...franckeite, galena, marcasite, bismuthinite, kaolinite, siderite, vivianite, alunite, and jarosite (Bandy...level, San José mine. Specimen No. 2 contains 2M 1 sericite with small amounts of kaolinite filling cassiterite-bearing...drift 20 m above the adit of 190 m level, Morococala mine. The host rock is quartzite of the Cancañiri Formation |  | | Journal (article/letter/editorial) | | ileLtda., AvenidaPedrode Valdivia295, Santiago,Chile AND RICHARD H. SILLITOE 27 WestHill Park,HighgateVillage...and 28 ø S in the Andean Cordillera of northern Chile. After 10 yearsof exploration,three preciousmetal...38-2353.00 1238 Au PORPHYRY,MARICUNGA BELT, CHILE 1239 and west of Marte which compriseadvancedargillic...central and northern Chile. The the Atacama desert. Maricungabelt in northern Chile is one of the most...north-southelon- viouslyin the Andean Cordillera of Chile. gate area, roughly200 X 50 km in extent,between |  | | Journal (article/letter/editorial) | | 1062-1085 Geology oftheE1AbraPorphyry CopperDeposit, Chile JOZSEF A•IBRUS Abstract The E1 Abra porphyryCOl)per...1972to 1975,the Corporaci6nNacionaldel Cobrede Chile completedan evaluation programknownas the E1 Abra...located in E1 Loa Province, Chile, 42 kilometers north of the Chuquicamataopen-pit mine (Fig. 1). It is...area stoppedaround 1925, and at that time the Chile ExplorationCompany,a subsidiaryof the AnacondaCompany...mines. In 1971 the Chilean Governmenttook over the Chile Exploration Companyproperties,includingthe E1 Abra |  | | Report (volume) | | technical assistance to private mine operators about mineral exploration, mine development and operation,...trained to provide technical assistance to private mine operators, as well as to conduct reconnaissance...personnel were to supply guidance to small private mine operators on management and bookkeeping, service...1959, when the program ceased to grant loans to mine operators, the small staff consisted of one geologist...that extends from the Corocoro mine southeast to the Chacarilla mine. The second project mapped a belt-like |  | | Report (issue) | | geographical area to which the deposit belongs. 11 PROVINCE The Republic of Bolivia is divided into 9 departments...list the name of the province in which a deposit occurs. PHYSIOGRAPHIC PROVINCE The physiographic provinces...which a mine first produced. YEAR OF LAST PRODUCTION Year in which an inactive producing mine last operated...(PRESENT/LAST) Person or corporation which owns the mine or mining claims. The most recent owner is listed...OPERATOR Person or corporation which operates the mine. This may be a subsidiary or a lessee. TOTAL INVESTMENT |  | Blaske, Allan R., Bornhorst, Theodore J., Brady, James M., Marsh, Timothy M., McKittrick, Scott A. (1991) The Shumake volcanic dome-hosted epithermal, precious metal deposit, western Mojave Desert, California. Economic Geology, 86 (8) 1646-1656 doi:10.2113/gsecongeo.86.8.1646 | Journal (article/letter/editorial) | | one part of the depositby alunite and white kaolinite alteration.Thesemain-stagealterationswere followed...low-grade orebodiesthat have been discoveredon and kaolinite (advancedargillic) alterationand silicMiddle Buttessince1979...•,+++++ Tehachapi I +++++++ •++++++ '+++++• Soledad Mtn.+ +• Thesevolcaniccentershosta numberof gold-silver...to 1950, the mostproductive beingthe GoldenQueen mine on SoledadMountain. This miningactivitywasfocusedonhigh-gradeveins...basedon correlation with similar rocks at nearby Soledad Mountain. FIG. 1. Map of the westernend of the |  | | 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...is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic,...Erdosh, George, 1979, The Ontario carbonatite province and its phosphate potential: Economic Geology...JOIDES Resolution, Callao, Peru to Valparaiso, Chile, sites 679-688, 20 October 1986-25 December 1986: |  | | Report (issue) | | alteration, characterized by the assemblage alunite+kaolinite+ quartz±pyrite, results from base-leaching by...assemblages which are pyriterich such as at El Salvador, Chile; Rodalquilar, Spain and Goldfield, Nevada. Supergene...S18O values of associated halloysite/kaolinite fall near the kaolinite line of Savin and Epstein (1970)....typically have 818Oso4 and SD to the left of the kaolinite line. Magmatic-hydrothermal acid-sulfate environments...in the porphyry-copper deposit at El Salvador. Chile. In the examples studied, magmatic-hydrothermal |  | | Book | | Contents Quaternary Faulting Shapes the Land Mount Soledad and Mission Bay San Diego Bay Coastal Topography...and About in La Jolla T he View: Top of Mount Soledad Scripps Park at La Jolla Cove North Torrey Pines...(lagoon) \ o_lf. .-•l!•"f,o•�•.,o:0_0u� 1,fount Soledad Fm. (coastal) soil Cabrillo Fm. (submarine fan)... ���¾[ D - .,,,.• "�" 0• N. FLANK - MT. SOLEDAD !j:� \ N ·-LA CANADA AVE. � _ !j: � BIRD c, _ ...Airport in Carlsbad (Figure 4.1). Ontop of the Mount Soledad Formation deposited in latest Pa leocene and earliest |  | | Report (issue) | | age.................................. 34 La Soledad Formation................................. 34....... 100 La Bramadora mine.............................. 104 Berlin mine.................................................... 123 Nueva Esperanza mine at Aranzazu...................... 123 Aguadas................................ 149 El Silencio mine..................................*. 149 Other...of IIB east of the San Pablo Formation. The La Soledad Formation, described below, contains fossils of |  | | Report (volume) | | COMPANIES 45 Huston Construction Company (Edgewood) 45 Soledad Canyon Earth Builders (Mesilla) 47 ADVANTAGES...86—Exterior rammed-earth wall with concrete bond beam, Soledad Canyon Earth Builders (Mesilla) 47 87—Rammed-earth...87—Rammed-earth walls with arches and windows, Soledad Canyon Earth Builders (Mesilla) 48 88—Compressive-strength...of different clay-mineral groups consisting of kaolinite, illite, smectite, mixed-layer illite/smectite...minerals (smectite and I/S) and the nonexpandable (kaolinite, illite, and chlorite); however, no clay-mineral |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...not yet discovered or not currently profitable to mine. The mining of mineral deposits, once discovered..._____________________—— Bolivia —_—_____————————————— Chile _______________________ Peru ____________________————...inner argillic zone containing quartz, alunite, kaolinite, dickite, sericite assemblage, minor iron and...zunyite; (4) outer argillic zone containing quartz, kaolinite, sericite, illite, and less abundant chlorite |  | Cunningham, C. G., Zartman, R. E., McKee, E. H., Rye, R. O., Naeser, C. W., Sanjinés V, O., Ericksen, G. E., Tavera V, F. (1996) The age and thermal history of Cerro Rico de Potosi, Bolivia. Mineralium Deposita, 31 (5) 374-385 doi:10.1007/bf00189185 | Journal (article/letter/editorial) | | now host small-scale mining operations, and many mine dumps, two of which are being leached for Ag. Recent...similar grade is present in alluvium/colluvium and mine dumps (Bernstein 1989). Cerro Rico is situated within...grayish-blue altered dacite covered with m a n y mine dumps. Cerro Rico has been variously interpreted...pervasively altered to a rock consisting of sericite, kaolinite, chlorite, and primary and secondary quartz, and...bordering, generally symmetrical, replacement alunite-kaolinite zones of acid-sulfate systems, the cap subhorizontally |  | | Book | | produced specimens from such places as the La Fé Mine in the state of Chiapas and Santa Rosalia in the...WIC ' ' (OSE INSET) Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...Mexicali Show & Nensengdo Figure 4. The mineral province of Sonora. (Mod ors ified from Berstein, 1964...University of New York, Albany) Provinces / 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United | | | Book | | produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia in the...CALl[NTCS ... I MI ( Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...University of New York, Albany) Figure 4. The mineral province of Sonora. (Modified from Berstein, 1964, back...Ttcolote • S 0 R A Sor • Provinces I 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United |  | | Book | | Universidad de Concepci6n Casilla 4107 Concepci6n, Chile ISBN 978-3-642-88284-5 DOI 10.1007/978-3-642-88282-1.... . . . 37 The Metalliferous Ore Deposits of Chile and Argentina, and Their Geologic Framework J. Oyarzun... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Sulfides in the Greenstone Belt of South-Central Chile - An Overview G. Alfaro and S. Callao . . . . ....Formation and Massive Sulfide Orebodies, South-Central Chile: Geologic and Isotopic Aspects S. Callao, G. Alfaro |  | | Report (issue) | | Nomenclature of mines-_----__-_______-_.-__ San Luciano mine (ore bed no. !)._____________ Page 80 81 82 82...Montado mine (ore bed no. 1 and Sin Nombre ore bed)____--___-__-_-----_----_----_-----_ Rancheria mine (ore...(ore bed no. !)_______________ Cinco de Mayo mine (ore bed no. 1)__________ Smaller mines in ore bed no...California-Lugarda mine (ore bed no. 3) _______ Humboldt mine (ore bed no. 3)-___---_---____ Purgatorio mine (ore bed...Santa Agueda. Map showing general distribution of mine workings and drill holes in the Boleo copper district |  | Gile, L. H., Hawley, J. W., Grossman, R. B., Monger, H. C., Montoya, C. E., Mack, G. H. (1995) Supplement to the Desert Project guidebook, with emphasis on soil micromorphology. Bulletin 142. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-142 | Report (issue) | | and Dale Hopkins for their permission to use the Soledad Canyon study area. This continues the long-term...2—BUCKLEBAR 88-1 6 9 PART 3—YUCCA 88-2 73 PART 4—SOLEDAD 66-16 77 PART 5—HACHITA 59-16 79 PART 6—DELNORTE...Haplocambids (Tugas soils) and weak Haplargids (Soledad soils) occur on the Fillmore surface. The Haplocambids...the soil map (Fig. 8). Area 23a-Typic Haplargid (Soledad 66-16) in Fillmore alluvium In this area the Fillmore...of creosotebush and ratany. The Typic Haplargid Soledad 66-16 (App. Part 4) is at left in Figure 9 and |  | | Book | | Mountains and the Channel Islands, 200 Ventura and Soledad Basins, 204 Sierra Pelona, 205 Ridge Basin, 206...Ranges, Mojave and Colorado Deserts Geomorphic province boundary Geologic unit boundary Fault Scale i...100 Miles _J 160 Kilometers -o ~y o Fault Province boundary o o 7 -z- Fault or Fault 1 Zones...northwestern United States. The third northern province, relatively inaccessible and the least known geologically...prevalent in the Sierra. Much of the Peninsular Range province falls outside California, continuing south nearly |  | | Report (issue) | | COMPANIES 59 Huston Construction Company (Edgewood) 59 Soledad Canyon Earth Builders (Mesilla) 60 ADVANTAGES IN...a variety of claymineral groups consisting of kaolinite, illite, smectite, mixed-layer illite/smectite...or less equal proportions to nonexpandable (kaolinite, illite, and chlorite); however, no clay-mineral...the most abundant 35 being clay minerals. Kaolinite, illite, smectite, chlorite, vermiculite, and...Mexico: kaolinite, illite, smectite, and I/S (Appendix 1; Fig. 40). The high-aluminum kaolinite and high-potassium |  | | Book | | come not merely from one district but from a single mine. Thus the physical properties of many rocks and...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...(amosite of the Transvaal; crocidolite of the Cape Province, South Africa). (4) Serpentinized dolomitic limestone...chrysotile. One of these bodies is worked at the Advocate Mine near Baie Verte. The canoe-shaped body is contained...and mill no. 1 at Black Lake, Bell’s underground mine and mill at Thetford Mines, and Lac’s open pit and |  | | Journal (article/letter/editorial) | | porphyrybody Santo,the volcanicdome shownin Figure 2A. Mine hostedby sedimentary rocksof Silurianage(Ahlfeld...t caniclastic sediments andiscutby brecciapipes;mine The Carangas district,about18 km northeast of workingsin...individual miners have since reworked old waste dumpsand mine fill to extract and handconcentrate CERRO silver...vein dipsinwardtowardthe dome,parallel Alunite, kaolinite• I • I-- L•x,.Veins Silicified J t I I ! I' •...UN/DTCD Bol.-87-012, 48 p. Redwood, S. D., 1987, The Soledad caldera, Bolivia: A Miocene caldera with associatedepithermal |  | | Report (issue) | | of the Rand district Composite plan of the Butte mine Composite plan of the Cactus Queen and Winkler mines...Composite plan of the Golden Queen mine Composite plan of the King Solomon mine Composite plan and longitudinal...the Mammoth mine Composite plan (a) and longitudinal projection (b) of the Home — Tropico mine Composite...Composite map of underground workings, Yellow Aster mine... _ In pocket In pocket In pocket pocket In...prospects, Mojave district Claim map of north Soledad Mountain, Mojave district Claim map of Standard |  | | Report (issue) | | _ Oso Canyon Formation _________________ _ Meeke Mine Formation ________________ _ Rock units of central...Francisquito Canyon area_____________ 45 47 27. Soledad Pass area ______ ~----------------48 28. Little...Middle Buttes__________________________ 67 42. Soledad Mountain area ______ ,..____________ 68 43. BissellHills...reconnaissance and discussed the exploratory test holes, mine workings, and geophysical oil possibilities of the...map-the first in the western Mojave Desert. of borate mine shafts are summarized in tabulated Darton (in Darton |
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