 | | Journal (article/letter/editorial) | | Overview of the Geology and Mineral Industry of Nicaragua a Joseph T. Arengi & Glen V. Hodgson b a Consulting...Carretera Masaya, 1, cuadra arriba, Managua, Nicaragua Published online: 06 Jul 2010. To cite this article:...Overview of the Geology and Mineral Industry of Nicaragua, International Geology Review, 42:1, 45-63, DOI:...Overview of the Geology and Mineral Industry of Nicaragua JOSEPH T. ARENGI Consulting Geologist, P. 0. Box... Carretera Masaya, 1 cuadra arriba, Managua, Nicaragua Downloaded by [McMaster University] at 13:15 |  | | Journal (article/letter/editorial) | | VolcanicRocksof the La Libertad Gold Mining District and Its Surroundings,Nicaragua MAURICIO DARCE* Departmentof...urroundinga swarmof auriferousquartzveinsat La Libertad,Nicaragua.The outermostzone (I) is affectedby...wairakite subfacies). A steepthermal gradientat La Libertad, exceeding150øC/km, revealsthat the mining districtis...40 depositsin Nicaragua(Fig. 1), but there are only two km west-northwest of La Libertad contains similar...typicaldis- unit elsewherein the La Libertad region and its vitrict, La Libertad andits surroundings. The geologic |  | | Journal (volume) | | ROVANIEMI DISTRICT OF NORTHERN FINLAND AND WESTERN NICARAGUA by Ulpu Väisänen with 54 figures, 19 tables...Oulu, public criticism in Lecture Room of of the Department of Geology, on January 23th, 2004, at 12 noon...Rovaniemi district of Northern Finland and western Nicaragua. Geological Survey of Finland, Bulletin 400, 145...Rovaniemi district of Northern Finland and in western Nicaragua, areas differing climatically, geologically and...fracture zones. The quality of the groundwater in Nicaragua was studied in the agricultural areas of Tisma |  | | Journal (article/letter/editorial) | | Epithermal Gold Quartz Veins in the Chortis Block, Nicaragua K. SUNDBLAD, Departmentof Geologyand Geochemistry...Cenozoicvolcanicrocksand preciousmetal de- positsin Nicaragua,whichrepresents the southernmost segmentof North...653.00 944 AuQUARTZ VEINS, CHORTIS BLOCK, NICARAGUA 945 60' North American Plate - 20' - THV ...c-Motagua fault oliteComplex directioneastof Nicaragua. zone) via the Caymantrenchto the straitbetween...plate and incorporatedin the Caribbeanplate and Nicaragua(McBirneyandWilliams,1965). More restarted an eastward |  | | Journal (article/letter/editorial) | | northeastern Nicaragua), on metamorphic basement, and the southern region (southern Nicaragua through Panama)...various countries of Middle America (mainly in Nicaragua and Cuba), ranging from broad reconnaissance to...southern part of the island arc, in southern Nicaragua, Costa Rica, and Panama, lies on a different basement...On this "basal" complex of rocks, in western Nicaragua and in Costa Rica, predominantly sedimentary rocks...Honduras-Nicaragua massif. It includes Guatemala, Honduras, and the northeastern part of Nicaragua. Here |  | | Report (volume) | | International Cooperation Administration, U. S. Department of State UNITED STATES GOVERNMENT PRINTING OFFICE...OFFICE, WASHINGTON a 1957 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL...Francisco mine____________________________________ La Uni6n mine ________________ --------------------...____________________ Nicaragua-----------------------------------------------La Cadena prospect-----...pa district_____________________________________ La Gringa mine_______________________________ Corona |  | | Journal (article/letter/editorial) | | North Peruvian Department La Libertad hosts a number of important gold mining districts like La Lima, E1 Tingo...two-stage sulfide mineralization. Bodies of massive pyrite and some arsenopyrite were formed in stage 1, and...oxidizing chloride solutions and deposited near older pyrite by micro-scale redox changes and a slight temperature...with basement series. The important mining districts La Lima, E1 Tingo, Pataz, Parcoy, and Buldibuyo show...coarse-grained quartz; later it was accompanied by pyrite and in many cases arsenopyrite. After this first |  | Camprubí, Antoni, González-Partida, Eduardo, López-Martínez, Margarita, Iriondo, Alexander, Alfonso, Pura, Cienfuegos-Alvarado, Edith, Gutiérrez-Armendáriz, Eric, Morales-Puente, Pedro, Canet, Carles, González-Ruiz, Luis (2017) The Upper Cretaceous Guaynopa IOCG and Guaynopita porphyry copper deposits, Chihuahua, Mexico. Ore Geology Reviews, 81. 1096-1112 doi:10.1016/j.oregeorev.2016.01.006 | Journal (article/letter/editorial) | | 22860 Ensenada, Baja California (Mexico) d Department of Geological Sciences, Jackson School of Geosciences...Catalonia (Spain) f Programa de Posgrado en Ciencias de la Tierra, Universidad Nacional Autónoma de México....magnetite, chromian muscovite (fuchsite), chalcopyrite, pyrite, sphalerite, Ag-rich gold, cuprite, K-feldspar...long, 600 m deep, and average 0.80 m thick (La Libertad vein), and are hosted by the RI limestone sequence...dioritic intrusive. Average grades for the La SC Libertad vein are 44.8 g/t Au, 32.8 g/t Ag, and 0.13 |  | | Journal (article/letter/editorial) | | Specimen is 2.5 cm across. Dave Bunk specimen, Jesse La Plante photo. appearance, and enargite is not an...familiar example is pyrite and marcasite. Both are iron sulfide in composition, but pyrite crystals are isometric...chalcopyrite, tetrahedrite, sphalerite, galena, pyrite, calcite, and quartz, to name but a few. It is...district in the United States. It is known to replace pyrite, chalcopyrite, tennantite, and sphalerite. It,...by bornite, galena, chalcocite, covellite, and pyrite (Uytenbogaardt and Burke 1971). Enargite can alter |  | | Journal (article/letter/editorial) | | Cretaceous. They are represented in southern Nicaragua and in Costa Rica by graywacke, arkose, silicic...dominant Eocene sediments in Panama, Costa Rica and Nicaragua (Brito formation). The thick series (up to 4,000...dacites, and their tufts in the extreme south of Nicaragua, and augite-hypersthene andesite and the olivine...central Cordillera in Panama and Costa Rica. In Nicaragua and E1 Salvador ignimbrites cover much larger...central and western Panama and several others in Nicaragua and E1 Salvador have been analyzed in order to |  | | Report (issue) | | cm, from the Nuestra Señora del Carmen mines area, La Celia, Jumilla, Murcia, Spain. Fabre Minerals specimen...calcite specimens from a revered Spanish locality: the La Florida mining area, Herrería-Valdáliga-Rionansa...====== Cantabria). The small Pb-Zn mines of the La Florida group have been inactive since 1978, but...came from this discovery. Calcite, 5.6 cm, from the La Florida mining area, Herrería-Valdáliga-Rionansa... Also, from recent finds on the dumps of the old La Vidale lead mine, Bréziès, Asprières, Aveyron, France |  | Cerpa, Luis M., Bissig, Thomas, Kyser, Kurt, McEwan, Craig, Macassi, Arturo, Rios, Hugo W. (2013) Lithologic controls on mineralization at the Lagunas Norte high-sulfidation epithermal gold deposit, northern Peru. Mineralium Deposita, 48 (5) 653-673 doi:10.1007/s00126-013-0455-6 | Journal (article/letter/editorial) | | parda, a tan-colored aggregate of quartz-auriferous pyrite–rutile ± digenite infilling fractures and faults...small hydraulic breccia bodies. The δ34S values for pyrite (1.7–2.2‰) and digenite Editorial handling: F....present in solid solution or micro inclusions in pyrite. In the quartzite, the alteration is subtle and...network filled with coarse alunite, auriferous pyrite, and enargite. Alteration and mineralization in...mineralization stage in textural equilibrium with pyrite and enargite has δ34S values of 24.8–29.4‰ and |  | | Journal (article/letter/editorial) | | ROBERT B. COOK Department of Geology Auburn University Downloaded by [JAMES COOK UNIVERSITY] at 16:12...March 2015 PYRITE Park City District, Utah Figure 1. This particularly attractive pyrite specimen is...City district, Utah, a location well known for pyrite and associated sulfide minerals. The specimen was...Oxygen Corporation to the University of Utah Department of Geology and was later transferred to the Utah... M. Boutwell (1912). A photograph of a similar pyrite specimen from the Daly-Judge mine can be found |  | | Catalog/List | | 4 x 3 cm. f. 11.25 Calcite. Quirivilca Mine, La Libertad, Peru. Mass oflustrous, white rhombic crystals...surface of matrix block, with some small tamished Pyrite crystals in association. 12.5 x 8.5 x 5.5 cm. f...and also displays some tiny single cubic bronze Pyrite crystals in association. An excellent specimen...12.50 Pyrite cubic crystal. Armejun, Navarra, Spain. Perfect, single lustrous golden cubic Pyrite crystal...brown matrix block. 7 x 6.5 x 3.5 cm. f. 10.65 Pyrite / Enargite. Leonard Mine, Butte, Montana, USA. |  | | Report (volume) | | UNITED STATES DEPARTMENT OF THE INTERIOR Harold L. Ickes, Secretary GEOLOGICAL SURVEY W. C. Mendenhall...sme t group.................................. La Libertad................................... Little Bonanza....In pocket 82. Geologic map and sections of La Libertad mine and vicinity: A, Vertical section-projection...The greater part of the mountainous area, however, la heavily timbered, principally with live oak and...the Klau mine; Ho G. Trlpp and 0. E. Hanno, of La Libertad, Keystone, and Pine Mountain mines; Roy Wyatt |  | | Catalog/List | | x 3 cm . .f 11.25 Calcite. Quirivilca Mine, La Libertad, Peru. 1 of 11 06/24/96 13:05:51 , The...surface of matrix block, with some smal) tarnished Pyrite crystals in association. 12.5 x 8.5 x 5.5 cm. f...and also displays some tiny single cubic bronze Pyrite crystals in association. An excellent spccimen...12.50 Pyrite cubic crystal. Armejun, Navarra, Spain. Perfect, single lustrous golden cubic Pyrite crystal...light brown matrix block. 7 x 6.5 x 3.5 cm. f 10.65 Pyrite / Enargite. Leonard Mine, Butte, Montana, USA. |  | | Journal (article/letter/editorial) | | Shelby T. Rader*, Frank K. Mazdab, Mark D. Barton Department of Geosciences and Lowell Institute for Mineral...Corresponding author. Present address: Shelby T. Rader, Department of Environmental, Earth, and Atmospheric Sciences...multiple times by MC-ICP-MS in the Geosciences department at the University of Arizona to determine their...Scientific/GV/Micromass IsoProbe MC-ICP-MS located in the Department of Geosciences at the University of Arizona....for 38 sulfide samples including chalcopyrite, pyrite, pyrrhotite, and stibnite, among others (Table |  | | Report (issue) | | matrix consisting of intergrown, striated, cubic pyrite crystals. Now this is very unusual, in that Ojuela...well crystallized sulfides—but here are masses of pyrite crystals, all right, and the glassy cerussite crystals...for any more of these brand-new Ojuela cerussite/pyrite combos which may come up on the market. At the...Quiruvilca, Santiago de Chuco Province, La Libertad Department, Peru. Large numbers of orpiment specimens...orpiment crystals to 1.5 cm on matrix with little pyrite and calcite crystals, and the orpiment looks bright |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOI Harold L. Secretary Director .\,_ HWiletln 946-D • I TUNGSTEN...TNI:l:TT'I'TTDEPARTMENT OF STATE UNITED sTATES GOVERNMENT PRINTING OFFICE...•••••••• 113 La Cruz prospect. • • • • • • • • • • • • • • • • • • • • • • • • • • 113 Santa Ana and La Providencia...~ear Rancho de las Viboras ••••••••••••• 117 La L~ Azul and La Leonora prospects ••••••• 117 El Camino .mine...• • • • • • • • • • • San Nicolas district ••••• La Cruz mine • • • • • • • • • • • • • • • • • • • • |  | | Report (issue) | | Pyrite FeS2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic. Point Group: 2/m 3...with marcasite; forms a series with cattierite. Pyrite group. Occurrence: Formed under a wide variety...exceptional crystals from the Quiruvilca mine, La Libertad, and Huanzala, Huanaco. Name: From the Greek...(1969) Redetermined crystal structure of FeS2 (pyrite). Acta Chem. Scand., 23, 2186–2188. (3) Dódony... Buseck (1996) Structural relationship between pyrite and marcasite. Amer. Mineral., 81, 119–125. (4) |  | | Journal (article/letter/editorial) | | Quiruvilca copper-lead-zincdistrict is in the Department of La Libertad in north-central Peru. The only large...of leadand zinc depositsin the Departmentof La Libertad,but inasmuch as the area showsan excellent exampleof...Quiruvilcacopper-lead-zinc districtis in the Department of La Libertadin north-centralPeru, 80 km eastof...the 50 level. Note the well-developed bandingof pyrite (gray) and enargite (black) and the small horses...the presence of enargite. Associated sulfidesare pyrite,tetrahedritetennantite,wurtzite,sphalerite,chalcopyrite |  | | Journal (article/letter/editorial) | | AssociatedSilver Mineralization DONALD C. NOBLE Department of GeologicalSciences,Mackay Schoolof Mines,...02 (99.6) (99.6) Total $.7 ppm Rb Cs Sr Ba La Ce Nd Sm Eu Gd Tb 177 19 740 850 45.6 90 $7 6.17...and Yellowstonecalderas and the San Julian and La Libertad vein systems of the westernUnited Stateswithin...anomaliesstronglysuggests that by galena,sphalerite,pyrite and, in the La Libertad noneof the rockschemicallyanalyzedwere...dacitic and enargitein additionto galena,sphalerite,pyrite and, rhyodaciticlavascloselyassociated in spaceand |  | | Journal (article/letter/editorial) | | Sin Nombre vein of the Quiruvilca Mine, La Libertad Department, Peru. The specimenwas essentiallymassive...galena and pyrite, but had a dark-gray botryoidal coating whose appearance is shown in Figs. la, b. The...meter wide. The vein consistsof approximately 70/6 pyrite, 22/6 wwtzite (?), 6/6 galena, 2/e tetrahedrite...(oldest), wurtzite, pyrite, tetrahedrite and chalcopyrite; wurtzite veins pyrite; pyrite does not seem to...vein lies in the transition zone between enargite-pyrite veins in the center and lead zinc veins outside |  | | Journal (article/letter/editorial) | | C O NNOI S S EUR' SC H OICE ROBERT B. COOK Department of Geology and Geography Auburn University Auburn...Minerals, is a professor of geology and head of the Department of Geology and Geography at Auburn University...intermediate temperatures and is often associated with pyrite, galena, sphalerite, chalcopyrite, stibnite, boulangerite...mm, some of which exhibit cogwheel twinning, on pyrite at the Keystone mine, Gunnison County. Arsenian...bournonite occurred as small striated prisms with pyrite and zunyite at the Zuni mine, Silverton district |  | | Journal (article/letter/editorial) | | "bonanza" ores, The district lies in the Department of La Libertad, Province of Otuzco, in the northern part...no rnineralogic determinations were made. Minor pyrite is also found. The argillized rock includes both...pervasive development of chlorite, epidote and calcite. Pyrite is not a significant component of the propylitically...scattered through the veins in minor amounts include pyrite, lesser marcasite and rare arsenopyrite. No other...throughout the veins in all metal zones. Neither pyrite nor marcasite makes up more than 10% of any vein |
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