 | | Other Paper | | The Bolivar Cu-Zn skarn deposit, Chihuahua, Mexico Lawrence D. Meinert - Department of Geology, Smith...INTRODUCTION The Bolivar Cu-Zn skarn deposit in the Piedras Verdes mining district of Chihuahua is one of many...extending across the states of Chihuahua, Durango and Sonora in Northwestern Mexico. Historical mining and exploration...Access to the Bolivar Property is by paved road (approximately 305 km southwest from Chihuahua) and approximately...can process 850 tonnes/day. REGIONAL GEOLOGY The Bolivar district is in the Guerrero Terrain which is related |  | | Book | | K FIELD GUIDE to the GEMS and MINERALS of MEXICO (Exclusive of Baja California) A guide to the...Information............ Driving in Mexico................... Trailcring in Mexico ............. 5 6 6 7 8 8........ A Word to the Wise ............. Jade in Mexico......................... Manto and Chimney Deposits...District Chihuahua .......................... Santa Eulalia District....... El Potosi Mine................ San Antonio Mine....... Cusihuiriachic District..... Barranca de Cobre (Copper Canyon) Batopilas |  | | Journal (article/letter/editorial) | | reported for some north American occurrences (BOLIVAR and BROOKINS. 1977). It has been established that...concluded that assimilation of highly calcitic phlogopite nodules could produce high s7Sr.āā6Sr ratios...has formed. presumably from the alteration of phlogopite. In the Wajrakarur samples fresh olivine is present...the source region in the subcontinental mantle. BOLIVAR and BROOKINS (1977) attributed the variable sāSr...the initial melt will be mainly controlled by phlogopite (presuming no re-equilibration between phases |  | | Book | | anc MINERALS OF MEXICO 7 | : = Pras #0 AaprTTARE ; | MINERALS OF MEXICO William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogyā Collectors and collectingā Mexico. 2. Mines and...and mineral resourcesā Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This book...Jalisco; D. Santiago Ramirezās La Riqueza Minera de Mexico, and his translation of Danaās Tratado de Mineralogia...a. ie = Maes Lie Auadado = ae MINERALS OF MEXICO Vv | Oona tA. IMPORTANT MINING DISTRICTS |  | | Report (chapter) | | are characterized by the general presence of phlogopite, diopside, leucite and K-richterite, occasional...incompatibleelement-enriched phases, such as phlogopite and apatite, most probably as a result of some...(Miser & Ross 1923; Bolivar 1977; Lewis 1977; Meyer et al. 1977) to a lamproite (Bolivar 1984; Scott-Smith...olivine; amph, amphibole; cpx, clinopyroxene; phi, phlogopite; leuc, leucite; san, sanidine; GGM, glassy groundmass...madupite~--pheno-phlogopite-mafitite~-~-lamproite leucitite,verite~pheno-mafitite(phlogopite)~lamproitic trachyte |  | | Journal (issue) | | gratifying. One young mineralogist, a former student of mine, said that although he had never met Mike, he had...inerals for Collectors. Specializing in A rizona, Mexico & W orldw ide Classics. We Buy Collections. Crystal...fortunate ruler in charge when Cortez conquered Mexico (1519-1521) and Pizarro conquered Peru and what...they paid unto their masters. The veins of these mine are of such quality that the ore will not melt with...17 years earlier by Bartolome Medina at Pachuca, Mexico. The process involves the cold amalĀ gamation of |  | | Journal (article/letter/editorial) | | Precambrian kimberlitic sill in the Guaniamo District of Bolivar Province, Venezuela. The paragenesis is similar...with chromite and in association with olivine, phlogopite, pyrope, ilmenite, chromium diopside, apatite...within the alluvial diamond area of Guaniamo, Bolivar Province, Venezuela (Nixon, Condliffe, Davies,...kimberlitic sill at Prospect 039, Guaniamo region, Bolivar Province, Venezuela. The chromium spinels occur...Hawthorneite, which occurs in a metasomatized veined phlogopite, Krichterite, lindsleyite (Ba crichtonite group) | | | Book | | "'<' ~/ BOUNDARIES U A Mo<'Ā« u~ o V :Ā¾ MEXICO r - Ā·ā¢-.. Ā·-Ā·Ā·-Ā·Ā·-Ā·Ā·-Ā·Ā· < ā¢ā¢ ....... V S TATES...org/details/mineralsofmexico0000panc MINERALS OF MEXICO ā¢ ERALS OF ~XICO M ______ William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogy-Collectors and collecting-Mexico. 2. Mines and mineral...mineral resources-Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This boo i...i.. is deJicated tu the people of Mexico and to the three people who directly affected me and this project |  | | Report (issue) | | in a suite of xenoliths from Kilbourne Hole, New Mexico . 25 Edward L. Dromgoole and Jill D. Pasteris...basaltic melt (Roden). Hydrous phases such as phlogopite and amphibole are of great importance to mantle...of the Trans-Pecos varied from calc-alkaline in Mexico near the eastĀ¬ dipping subduction zone, to alkalic...data for wholerock gray kimberlite from the Premier Mine (Ulmer and others, 1976) are shown for comparison...data for garnet eclogite nodule from Roberts Victor Mine in South Africa (HRV-247). Spread in IOF data (the |  | | Book (volume) | | ANDFINSCH KIMBERLIT'ES, SOUTHAFRICA, ANDWILLIAMSON MINE, TANZANIA H.-M. Tsai, O. A. Meyer, 0. Moreau, and...FROM KIFYBERLiTES IN THE COLORADO-WYCā¢ING STATE mINE DISTRICT 42 M. E. McCal!um, C. D. Mabarak, and...MINERAL CHEMISTRY OF A KIMBERLITE FROM THE PRā¢Iā¢IER MINE: Iā¢iPLICATIONS FOR THE EVOLUTION OF KiFmEHLITIC...2ā¢0 and S. L. Bolivar GEOPHYSICALAND Hb-Sr STUDY OF THE PHAIā¢IE CHEEK, AK S. L. Bolivar 2U9 Brookins...mantle. In tro duct i on Introduction kimberlite mine The The Finsch Finsch Pipe Pipe is is aa major kimberlite |  | | Journal (article/letter/editorial) | | Department o f Geology, The University o f New Mexico, Albuquerque, N.M. (USA) S.B. TREVES Department...Nebr. (USA) and S.L. BOLIVAR Department o f Geology, The University of New Mexico, Albuquerque, N.M. (USA)...this interval consists of carbonated breccia and phlogopite-bearing carbonate rock. Total REE, P2Os and Nb205...ankerite), hematite, chlorite (some after phlogopite), phlogopite, barite, serpentine, and secondary (?)...highly contorted, brecciated rock containing phlogopite and chlorite in dolomite-ankeritecalcite. Greenish |  | | Report (issue) | | (no. 37 on map). The El Callao mine was the most productive gold mine in the world during the latter...to a depth of 250 m at the underground Colombia Mine (being mined by MINERVEN in 1989) are estimated...as well understood. Hydraulic methods are used to mine the ore. Pedro Lira (Ministry of Energy and Mines...mineralization. Gold production in 1987 at the Cristina 5 mine in the Kilometer 88 district was 1,700 kg, from...of gold have recently been discovered at Cerro Bolivar (no. 52; Cesar Bertani, personal communication |  | | Report (volume) | | recumbent limb of iron ore, El Pao deposit, Estado Bolivar............................... 13, 14. Cross sections...Colombia and Las Americas gold-vein systems, El Callao mine, Estado Bolfvar............... 18. Sketch map of...two years maintained a one-man office in Ciudad Bolivar, Venezuela. The USGS worked principally with two...Venezuela south of the Rio Orinoco including Estado Bolivar, Territorio Federal Amazonas, and Estado Delta...area_________""_________ La Flor-Carapo-La Esmeralda area Cerro Bolivar-San Isidro iron mining district El Pao-El Palmar |  | | Book | | Diatremes Summary Mineralogy of Lamproites 6.1. Phlogopite 6.1.1. Paragenesis 6.1.2. Leucite Hills, Wyoming...Phase Relationships of Natural Lamproites 8.2.1. Phlogopite Lamproites 8.2.2. Olivine and Madupitic Lamproites...Olivine Lamproites 9.3.2. Xenoliths in Leucite and Phlogopite Lamproites 9.3.3. Discussion 9.4. Exploration...Garnet Lherzolite 10.2.4. Incongruent Melting of Phlogopite 10.2.5. Fractional Fusion and Diapiric Uprise...Source 10.3.3. Relationships between Olivine and Phlogopite Lamproites and the Origins of the Isotopic Signatures |  | Butvina, V. G., Vorobey, S. S., Safonov, O. G., Varlamov, D. A., Bondarenko, G. V., Shapovalov, Yu. B. (2019) Experimental Study of the Formation of Chromium-Bearing Priderite and Yimengite as Products of Modal Mantle Metasomatism. Doklady Earth Sciences, 486 (2) 711-715 doi:10.1134/s1028334x19060254 | Journal (article/letter/editorial) | | higher than is necessary for the formation of phlogopite and K-richterite. [2]. Chromite and ilmenite...from the kimberlite sill Prospect 039, Guaniamo, Bolivar Province, Venezuela [7]. 159 3 678 indicate that...associates with chromite, ilmenite, and minor phlogopite, most likely formed due to the presence of some...the kimberlite sill Prospect 039, Guaniamo area, Bolivar, Venezuela [10] ā synthesized from oxides at 5 |  | | Catalog/List | | Cu UO PO/4 slightly radioactive. (Old Gunislake Mine Cornwall) a) green 3mm area on ropk, Ā£3 ( b) IxhaJ...areas in Apatite with Phlogopite Mica. (Possibly slightly radioactive)(Palabora Mine,S.Africa lxl Ā£5 1x2...sections in matrix with Eudialyte.Rare not Rich (Umba Mine,Lovozero Massif,Kola Russia) lxl Ā£4 1x2 Ā£7.50 239...matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) lxl Ā£10 14 x 54 ins Ā£5 498 ZEMANNITE...CO/3 0 Quite rich yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) lx)4ins |  | | Journal (article/letter/editorial) | | (olivine-1 xenocrysts and olivine-2 phenocrysts) and phlogopite laths. Olivine-1 (55%) occurs as oval or irregular...similar to or greater than that of olivine-1. Phlogopite macrocrysts (0.5%) form irregular, subangular...aggregate of light brown, partially chloritized phlogopite laths (0.02 ā0.1 mm) with red ā orange tetraferriphlogopite...tetraferriphlogopite rims (20%). The space between phlogopite laths is filled with fine-grained scaly serpentine...fineporphyritic texture and a higher proportion of phlogopite in the rock matrix. The lower La Ceniza sheet |  | | Journal (article/letter/editorial) | | Some of the xenoliths contain minor amounts of phlogopite interpreted as primary on the basis of its apparent...~ n S i m i l ~ to BD 1355 but with 4 vol.% phlogopite - both as rims ~ o u n d garnets and in m e t...e textured g ~ n e t lherzolite with abundant phlogopite m ~ t l y along grain b o ~ d a r l e s but also...r y t ~ t ~ e d secondary ~ p h i b o l e and phlogopite rims ~ o u n d garnets 0.20 CK 33 0.034 porphyroclastic...lher~lite with m i ~ r primary and secondary textured phlogopite CB 2 O.13 Porphyroclastic text~ed g ~ n e |  | | Catalog/List | | pinkish fine grained mass in Calcite.(Dark Star Mine,Ravalli County, Montana USA) 1 x 14 Ā£2.50 1x1 Ā£4...guite rich black masses in matrix (Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) 1x1...coatings and conglomerate cement. (Moctezuma Sonora Mexico) 14 x 54 ins Ā£4 499 MACKAYITE Fe TeO OH fairly...sparse, green crusts on matrix. (San Miguel Mine Moctezuma Mexico) 1cm piece Ā£ 5 5mm Ā£3 WITH UNUSUAL ELEMENTS...CO/3 0 Quite rich yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) Ixliins |  | | Journal (article/letter/editorial) | | (Foss-93), garnet (0.21-9.07% CrzO3), picroilmenite, phlogopite, Cr-poor clinopyroxene (0.56-0.88% Cr203), and...metasomatized lower crustal and supracrustal materials. Bolivar (1972) documented the kimbertitic nature of these...small subhedral grains of olivine, picroilmenite, phlogopite, Cr-spinel, perovskite, magnetite (0.1 0.5 ram)...olivine, picroilmenite, garnet, clinopyroxene, phlogopite, and orthopyroxene occur within the fine-grained...of garnet, clinopyroxene, picroilmenite, and phlogopite up to 1.5 cm in diameter are not uncommon. Pipe |  | | Journal (article/letter/editorial) | | serpentinized olivine crystals together with phlogopite oikocrysts set in a groundmass containing numerous...Na; these green zones become larger when Micas Phlogopite is found as poikilitic crystals (1.2 Ć 0.4 mm)...above 2 wt% (Table 3). Significantly, discrete phlogopite crystals are not found within the xenoliths....(1978) in spinels from TABLE 3. Richterite and phlogopite compositions (in wt%) wt% SiO2 TiO2 Al2O3 Cr2O3...extend from the rim into the xenolith. Poikilitic phlogopite, which contains numerous diopside needles arranged |  | | Report (issue) | | Association: Chromian spinel, mathiasite, olivine, phlogopite, pyrope, chromite, ilmenite, chromian diopside...Shandong Province, China. In the Guaniamo district, Bolivar Province, Venezuela. Name: For its occurrence |  | | Journal (article/letter/editorial) | | generations of olivine crystals pseudomorphosed to phlogopite and calcite. The matrix consists essentially...pipe* is a porphyritic micaceous kimberlite with phlogopite and olivine phenocryst in a matrix of calcite...for apparently fresh South Africa kimberlites; Bolivar and Brookins (1979) reported values as high as...always explain the variable isotopic composition (Bolivar and Brookins, 1979). The R b and Sr contents and...Geol. Surv., Open-file Rep. 78-701, pp. 28--30. Bolivar, S.L. and Brookins, D.G., 1979. Geophysical and |  | | Journal (article/letter/editorial) | | displacements from inches to more than 3,000 feet. The first mine in the Kentucky district was opened by Andrew Jackson...particularly for zinc (sphalerite) ores. A note about mine nomenclature in the fluorspar districts is in order...have different names. For example, the Hickory Cane mine Downloaded by [Dalhousie University] at 18:01...western parts of the Commonwealth. Coal exposures and mine dumps are sources for copiapite, goethite, halotrichite...with a large map showing structural features and mine locations, was written by Trace and Amos (1984) |  | | Journal (article/letter/editorial) | | characterized by olivine and phlogopite macrocrysts in a serpentine and phlogopite-rich matrix. These intrusions...diopside, and spinel in addition to olivine and phlogopite. These intrusions are the most incompatible and...mineralogically by abundant olivine and sparse, but large, phlogopite macrocrysts, and chemically by having the lowest...researchers (e.g. Basu and Rubury, 1980; Bikerman, 1997; Bolivar, 1976; Meyer, 1976). Currently, there are two theories...(1967) published the ļ¬rst K/Ar and Rb/Sr ages on phlogopite grains extracted from two dikes. The K/Ar ages |
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