 | | Journal (article/letter/editorial) | | of NW Argentina. Paleomagnetic poles from the Campanario Formation (Middle to Upper Cambrian): 1.5°N 1...Middle–Late Cambrian Mesón Group, exposed in the province of Salta, NW Argentina (22°49′–22°50′S; 64°50′–65°00′W)...paleomagnetic samples and sites (white stars). IM 11–14: Campanario Formation (Spagnuolo et al., 2008), IRU 25–28:...stars). IRU 1–7: Lizoite Formation. IRU 8–18: Campanario Formation. Several tectonic models support the...three units: the Lizoite, Campanario and Chahualmayoc Formations. The Campanario Formation is a dominantly |  | | Journal (article/letter/editorial) | | 1); it is b o r d e r e d north b y Bolivia and west b y Bolivia a n d Chile. T h e A n d e s of n o...BRANISA(1960) give an account of the geology of Bolivia, and ZEIL (1964) Of the geology of Chile; several...of the long Andean belt extending from Peru and Bolivia (Eastern and Central Cordilleras) to about 25 ~...few localities. The metamorphics are crossed by quartz veins, varying in thickness between 20 cm and 2...greywackes are composed principally of angular quartz grains, with lithic fragments of muscovite and |  | | Journal (article/letter/editorial) | | large set of natural data involving chlorite þ quartz (carpholite or chloritoid) assemblages. Later...samples of fine-grained levels from the Lizoite and Campanario formations (Mesón Group, Cambrian) and the Santa...succession of the Mesón Group comprises the Lizoite, Campanario, and Chahualmayoc formations (Turner, 1960)....sandstones with crossbedding stratification; the Campanario Formation is a succession of predominantly fine-grained...(22 44’1.7’’ S Lat, 65 15’00’’ W Long, Salta province) (Fig. 1), where these rocks are particularly |  | | Report (chapter) | | strike-slip regime of a zoned peraluminous granite: the Campanario-La Haba pluton, Spain A. A L O N S O O L A Z...the peraluminous cordierite-andalusite-bearing Campanario-La Haba granite. Crystallization age is constrained...coherent emplacement model. Geological setting The Campanario-La Haba pluton (CHP) is located in the most meridional...OLAZABAL E T AL. Fig. 1. Geological map of the Campanario-La Haba pluton showing the distribution of the...constituted by three granitoid groups: granitoids of quartz-diorite affinities, alkali-feldspar granites and |  | | Report (issue) | | S. Geological Survey and Servicio Geologico de Bolivia in cooperation with the Trade Development Program...the U.S. Geological Survey-Servicio Geol6gico de Bolivia as part of the Mineral Resource Evaluation of the...reports in the files of the Servicio Geologico de Bolivia located in their main office in La Paz. All of...States, and the Servicio Geol6gico de Bolivia in La Paz, Bolivia. This report is an edited version of...to which the deposit belongs. 11 PROVINCE The Republic of Bolivia is divided into 9 departments, three |  | | Report (issue) | | . . . . . . . 17 Quartz, Slate, Flint, Obsidian, Crystalline Quartz, Rose Quartz, Opal, Onyx, Topaz... . . . . . . . . . . . . . . . . . . . . . 26 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 29 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 33 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 35 Bolivia . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | southern extension of the Altiplano of southern Peru, Bolivia, and northern Chile, is a high plateau whose base...Cenozoic volcanism in the Argentine Puna and southern Bolivia Altiplano plateau, in the Western Cordillera, and...•Xv'vXv' Xv-X-X"X X'"'W**''X' I CORANZULI C° Campanario Dacite 2.03 PANIZOS-CUSI Dacite Porphyry Cusi-Cusi...distal pyroclastic deposits derived from centers in Bolivia and northern Chile. In the Puna, the beginning...Recent—1.9 Tumisa 1.5 < 0.4 EILaco2.1 INNER ARC-BOLIVIA I 18°-25°S • ^ . VK Ignimbrites 5 2 - Morococala |  | | Journal (article/letter/editorial) | | importance of the IPB as a world-class metallogenetic province is now shown by an increasing research activity...(Zarcita, Tintillo, BuitroÂn, Tinto-Sta. Rosa, Campanario, Torerera). All of these are spatially associated...del Pasto 1 1 2 1: Buitron, Tinto-Sª.Rosa, Campanario 2: Sotiel, Migollas, Torerera, Valverde 1: Aznalcóllar...ubiquitous in both band types (hand specimen from Sotiel mine). b Detrital massive pyrite ore showing graded bedding...partially replaced by galena (sample from AznalcoÂllar mine) e Typical banded polymetallic ore showing euhedral |  | Leistel, J. M., Marcoux, E., Thiéblemont, D., Quesada, C., Sánchez, A., Almodóvar, G. R., Pascual, E., Sáez, R. (1997) The volcanic-hosted massive sulphide deposits of the Iberian Pyrite Belt. Mineralium Deposita, 33 (1) 2-30 doi:10.1007/s001260050130 | Journal (article/letter/editorial) | | mines closing over the last two decades. Only ®ve mine sites are still active in the belt today. Four of...Read Belt-Tasmania (Cambrian) Canada (Superior Province ± Archean) Abitibi (Archean) Rouyn-Noranda+Val...from the FiloÂn Sur gossan by Caledonia). The only mine in Portugal is Neves-Corvo which is being worked...revised geological interpretations not only of this province, but of the entire Western Hercynides. The few...dealing with the mineralization of the Iberian province include that of Pinedo Vara (1963), who made an |  | | Journal (article/letter/editorial) | | consist mainly of detrital (clastic) successions of quartz-rich sandstones and mudstones (commonly graptolitic...incomplete, and at least partly non-marine sequences of quartz-rich sandstones and subordinate mudstones were...Ordovician glacial deposits in this sequence in Bolivia (see also Rocha-Campos 198le). 2c. Ordovician record...0 Bolivian seds DI(O?) Campanario north Tilcara Ca Corumbatai Pu-Trl Campanario south Tilcara Ca Irati...Gondwana had no Antarctic ice cap. In Cambrian times quartz-rich sandy deposits began to accumulate around |  | | Report (volume) | | Cordillera Occidental, Bolivia By U.S. GEOLOGICAL SURVEY and SERVICIO GEOLOGICO DE BOLIVIA With a section on...Cordillera Occidental, Bolivia I by U.S. Geological Survey and Servicio Geol6gico de Bolivia; with a section...mineral resources-Bolivia-Cordillera Occidental. 3. Geology-Altiplano. 4. Geology-Bolivia-Cordillera Occidental...Geological Survey (U.S.) II. Servicio Geol6gico de Bolivia. Ill. Series. QE75.B9 no. 1975 [TN39.A4] 557.3s--dc20...cooperation between the Servicio Geologico de Bolivia and the U.S. Geological Survey. The geologic research |  | | Journal (article/letter/editorial) | | Institute of British Geographers) Exploration in Bolivia Author(s): H. Hoek Source: The Geographical Journal...JSTOR Terms and Conditions 498 EXPLORATIONIN BOLIVIA. indeeda great promise. I will now ask you to...complimentaryremarkshe has been pleasedto make. EXPLORATION IN BOLIVIA.* By Dr. H. HOEK. the beginning of September,...JSTOR Terms and Conditions 499 EXPLORATIONIN BOLIVIA. and myself, had now the pleasant task of searching...mules) appeared in a good light. A native of East Bolivia and of almost pure Indian breed,he nevertheless |  | | Report (chapter) | | generally associated to the Caribbean Large Igneous Province (CLIP) or Colombian–Caribbean Oceanic Plateau...generally defined as the Caribbean Large Igneous Province (CLIP) or Caribbean – Colombian Oceanic Plateau...1995, p. 13, fig. 7) revealed that they contain quartz, zoned plagioclase and green amphibole grains....deformed as most rocks in the Osa Mélange (Punta Campanario, Osa). (d) Boudinaged limestone beds in a siliceous...bedding and lamination of turbiditic origin (Punta Campanario, Osa). Scale bar 22 cm. (j) Polymict boulder |  | Tao, Wei, Li, Yang, Chen, Yingtao, Lu, Rukui, Ran, Yazhou, Zhang, Pengpeng, Zhang, Guowei (2021) Syn‐tectonic emplacement during
sinistral transpression
: The Late Triassic Gaoqiao pluton in the South
Qinling Belt
, central China. Geological Journal, 56 (2). 995-1011 doi:10.1002/gj.3995 | Journal (article/letter/editorial) | | coarse-grained quartz-monzodiorites. The minerals are mainly composed of plagioclase (60%), quartz Based on...Gaoqiao pluton mainly composed of medium-grained quartz-diorites, and mainly con- is earlier than 197... handpicked sists of plagioclase hornblende quartz Country rocks of the Gaoqiao pluton, named the...(medium- to coarse-grained quartz Zircons of GQ-2 (medium- to coarse-grained quartz-diorites) from monzodiorites)...Another sample GQ-3 (medium- to coarse- grained quartz-diorites) was also collected in the Hetaoping unit |  | | Journal (article/letter/editorial) | | Fig. 1 Geological setting of the south Iberian Province showing the massive sulphide deposits (circles)...type of zoning is common in the south Iberian Province (La Zarza, Neves-Corvo), it is not seen everywhere...Almagrera Torerera (1) Sotiel Sotiel-Migollas Campanario (1) BuitroÂn G >0.6% >0.6% G G G G G 3.20% ...Proterozoic rocks known throughout the south Iberian Province (Quesada 1991). However, such a source has not...addition, the formation, mainly constituted of quartz and clay minerals, does not constitute a notable |  | | Journal (article/letter/editorial) | | episode (e.g., Tharsis group, Sotiel, Torerera, Campanario-Cibeles group). Aznalc611ar, which is considered...of the IPB volcanic rocks as 'primary' spilites, quartz-keratophyres and keratophyres (Rambaud, 1969; Schermerhorn...Non metallic minerals include chlorite, sericite, quartz, carbonates and barite. The fabrics of massive...ancient, in a number of features, that make this province unique. First of all, the IPB represents the greater...single deposits different from any other in the province, or in the world. The strikingly high tin and |  | Ding, Yi, Liu, Jianni, Chen, Feifei (2020) Ichnology, palaeoenvironment, and ecosystem dynamics of the Early Cambrian (Stage 4, Series 2) Guanshan Biota, South China. Geological Journal, 55 (1) 77-94 doi:10.1002/gj.3360 | Journal (article/letter/editorial) | | mudstone. Several layers of conglomerates, containing quartz pebbles, occur in the basal part of the Wulongqing...palaeoenvironments, producing a flat deposits of Campanario Formation in northwest Argentina. clearer picture...the Puncoviscana Formation (La Higuera; Tucumán Province, NW Argentina). Geobios, 37(2), 127–133. https://doi...estuarine sequences, Lee Creek Mine. Geology and Paleontology of the Lee Creek Mine, North Carolina, 1, 229–263...coprolites in Taiyuan Formation (C3), western Henan Province. Earth Science, 10(2), 21–26. (in Chinese with |  | Errandonea-Martin, Jon, Sarrionandia, Fernando, Janoušek, Vojtěch, Carracedo-Sánchez, Manuel, Gil Ibarguchi, José Ignacio (2019) Origin of cordierite-bearing monzogranites from the southern Central Iberian Zone – Inferences from the zoned Sierra Bermeja Pluton (Extremadura, Spain) Lithos, 342. 440-462 doi:10.1016/j.lithos.2019.06.009 | Journal (article/letter/editorial) | | by variable amounts of plagioclase, K-feldspar, quartz, biotite, cordierite and muscovite (Table 1; Figs...dioritoids and lamprophyres, with minor aplites and quartz dykes (Errandonea-Martin et al., 2018b). Dioritoids...magma. The MME contain phenocrysts of plagioclase, quartz and biotite set in a fine-grained groundmass comprised...this sense, the lack of intermediate terms (e.g. quartz diorites–tonalites) in Sierra Bermeja also suggests...were also estimated for the emplacement of the Campanario–La Haba Pluton (Fig. 1b) of the same magmatic |  | | Report (chapter) | | CONICET, Instituto de Geologı́a y Minerı́a, Av. Bolivia 1661, San Salvador de Jujuy (CP 4600), Jujuy, Argentina...2010). This event produced a major ignimbritic province c. (11– 15) × 103 km3 in volume (Kay et al. 2010;...isolated centres (e.g. the Cauchari –Porvenir mine, the Pabellón mine, Cerro Tropapete and Cerro Barro Negro)...Seggiaro 1994) and is covered by lavas from the Campanario Volcano (2.03 + 0.07 Ma, K/Ar age, Aquater 1979)...located in the proximity of the old Au Pabellón mine (Fig. 1) are covered by the Vilama Ignimbrite, so |  | | Journal (article/letter/editorial) | | granites (Fig. 1c and d), where very small biotite– quartz–plagioclase clusters represent remnants of almost...enclave, consisting mainly of plagioclase, biotite, quartz and apatite, is representative of the most widespread...shown by plagioclase and to a lesser extent, by quartz and biotite, which are dissolved into the melt...by the hydrous melts compared with biotite and quartz, which are less affected by the dissolution process...Other Cabeza de Araya Granites (unpublished data) Campanario–La Haba Granitoids (Los Pedroches, Spain) (Alonso |  | | Journal (article/letter/editorial) | | Puna, Eastern Cordillera) extending into southern Bolivia, northeastern Chile, and southwestern Peru. Exposures...with rhyolites in the easternmost sector of this province. The period of convergence ended with a continental...northwestern Argentina extending into southern Bolivia, northeastern Chile, and coastal areas of southwestern...Sierras de San Luis are the southernmost tip of the province (Fig. 3). South of these Sierras as far as the...many places, these plutons range from quartz monzonite and quartz monzodiorite to granite (Fig. 11). In |  | | Journal (article/letter/editorial) | | position of the blind Masa Migollas deposit, Sotiel Mine, below the PQ unit. The interval A–B of the cross...particular stratigraphic horizon. For example, the quartz mylonites that are related to thrust planes in...the surroundings of the old Calañesa Mn mine, near the Campanario or C-drill sites (Fig. 6a). These rocks...galenobismuthite. The main gangue minerals are quartz, & It has a Zn/(Zn+Pb) ratio of about 0.75 (Castroviejo...thrusting”. Furthermore, the detailed stratigraphy of the mine area (Oliveira et al. 2004) shows that it “is characterised |  | | Journal (issue) | | rugged endurance to seek out the moldering, decaying mine-sites and town-sites where millions of dollars in...treasure. They scarred the landscape with glory holes, mine dumps and jimwracky camps. Meanwhile, the steep...under one." "Didn't your father own the turquoise mine near Crow Springs?" I asked. Carroll grinned as...you cannot see them. We didn't visit the turquoise mine though we passed within a hundred yards of it. The...be the armed guard and caretaker of the turquoise mine. "Why didn't you come up and say hello?" Jim Nash |  | | Journal (article/letter/editorial) | | (absent in tonalites), interstitial K-feldspar, and quartz. Apatite, zircon, ilmenite, Fe–Cu sulphides and...Cabeza de Araya, Central Extremadura batholith and Campanario-La Haba (Fig. 1). These granitoids are late-tectonic...Araya; (5) Central Extremadura Batholith; and (6) Campanario-La Haba. 2 A. Pesquera, P. Montero and P.P...vol%), amphibole (8 vol%), k-feldspar (4 vol%) and quartz (18 vol%); (2) Fine- to coarse-grained monzogranite...monzogranite (JAL-1613) from the HS unit with quartz (30 vol%), k-feldspar (24 vol%), plagioclase (29 vol%) |  | Hernández-Bernal, María del Sol, Corona-Chávez, Pedro, Solís-Pichardo, Gabriela, Schaaf, Peter, Solé-Viñas, Jesús, Molina, José Francisco (2016) Miocene andesitic lavas of Sierra de Angangueo: a petrological, geochemical, and geochronological approach to arc magmatism in Central Mexico. International Geology Review, 58 (5) 603-625 doi:10.1080/00206814.2015.1101356 | Journal (article/letter/editorial) | | km long and 2400–3640 m high, with Cerro del Campanario as its highest point (3640 m; Figure 2). The...Elements (REEs) group was performed with ion exchange quartz columns, filled with cationic resin DOWEX® 50WX12...separation was performed in smaller ion exchange quartz columns filled with powdered Teflon® covered by...pyroxene as main phenocrysts and the absence of quartz. However, samples from some localities range in...clinopyroxene and amphibole phenocrysts ± cryptocrystalline quartz associated with the glassy matrix. The andesites |
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