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Topia District

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Journal Article
Journal: Economic Geology
Published: 01 December 1988
Economic Geology (1988) 83 (8): 1499–1527.
...Robert R. Loucks; John Lemish; Paul E. Damon Abstract The Topia district lies on the western flank of the Sierra Madre Occidental structural arch and Tertiary volcanic plateau. Beneath unmineralized mid-Tertiary silicic ignimbrites lies a kilometer-thick sequence of early Tertiary andesitic lavas...
Series: DNAG, Geology of North America
Published: 01 January 1991
DOI: 10.1130/DNAG-GNA-P3.215
EISBN: 9780813754703
... Abstract The Topia Mining District lies in northwestern Durango State at coordinates 25± I I'N and 106±33'W, 50 km from the Sinaloa-Durango state line and 100 km east of Culiacan. Sinaloa (Fig. 1 ). It occupies the physiographic transition between the Volcanic Highlands and the Barrancas Zone...
Journal Article
Journal: Economic Geology
Published: 01 August 2003
Economic Geology (2003) 98 (5): 1029–1037.
..., Mexico : Economic Geology , v. 83 , p. 1642 – 1646 . Loucks , R.R. , Lemish , J. , and Damon , P.E. , 1988 , Polymetallic fissure vein mineralization, Topia, Durango, Mexico: Part I. District geology, geochronology, hydrothermal alteration, and vein mineralogy : Economic Geology...
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Journal Article
Published: 26 March 2009
Canadian Journal of Earth Sciences (2009) 46 (2): 123–138.
... compilation of the ages of 32 epithermal districts, Camprubi et al. (2003) outlined three main age ranges. The older age range (>∼40 Ma) includes the Batopilas (48–45 Ma, Wilkerson et al. 1988 ) and Topia (43.8 Ma, Loucks et al. 1988 ) deposits. The second age range (∼36 to ∼27 Ma) corresponds...
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Journal Article
Published: 01 April 2011
Earth Sciences History (2011) 30 (1): 104–134.
...), in describing the Topia Mining District of western Durango, noted that the capping, unmineralized rocks were formed of “porphyritic, metamorphic sandstone cliffs”. The 246-meter waterfalls near the village of Basaseachic in far western Chihuahua has long attracted its share of visitors, all of whom expressed...
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Journal Article
Published: 01 November 2010
American Mineralogist (2010) 95 (11-12): 1725–1729.
... the range of compositions reported in this study) occur are described from Japan and Mexico. Gemmell et al. (1989) showed that the Santo Niño vein in the Fresnillo district contains pyrargyrite [Sb/(Sb+As) = 0.93 to 1.00], proustite [(Sb/(Sb+As) = 0.02 to 0.03], and intermediate proustite–pyrargyrite...
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Journal Article
Journal: GSA Bulletin
Published: 01 October 2001
GSA Bulletin (2001) 113 (10): 1357–1374.
... districts for which geologic data have been compiled ( Leonard, 1989 ; Staude, 1995 ). Few, if any, metallic deposits of pre-Jurassic age are known in northwestern Mexico; thus, we begin with the Late Jurassic. The four main deposit types of Jurassic– Early Cretaceous age are porphyry Cu, shear...
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Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2001
DOI: 10.5382/SP.08.06
EISBN: 9781629490328
... in the Sierra Madre Occidental province (Fig. 1 ) to produce gold from structures hosted by rhyolitic volcanic rocks of the Tertiary-age Upper Volcanic sequence. Most gold and silver districts of the Sierra Madre Occidental are hosted in andesitic rocks of the Lower Volcanic sequence (Topia, Tayoltita...
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Journal Article
Journal: SEG Discovery
Published: 01 April 2023
SEG Discovery (2023) (133): 1–76.
... Science and Discovery SEG 2023 Conference: Resourcing the Green Transition Adjacent IOA and IOCG Mineralization, Acarí District, Peru Geology and Mining: Role of Exploration Geologists in Geotechnical Engineering of Open-Pit Mines WorldView-3 THE WORLD S MOST ADVANCED EARTH IMAGING R E S O U R C E...
Journal Article
Journal: SEG Discovery
Published: 01 October 2023
SEG Discovery (2023) (135): 1–76.
... to get an unobstructed view of rock textures and deformation structures and better understand the volcanic stratigraphy in the area s volcanogenic massive sulfide deposits during the September 2022 trip to the Skellefte district, Sweden. See p. 55 58 for information on current opportunities for SEG...
Journal Article
Journal: SEG Discovery
Published: 01 October 2006
SEG Discovery (2006) (67): 1–60.
.... acquired a Metallurgical tests indicate proven ing district located in central Mexico second license for lateritic nickel recoveries of 85% Cu, 53% Pb, and 45% and the Topia mine in north-central ( Gurlek ) located only about 10 km Zn from low-grade ore coming from Mexico. Silver equivalent production...
Published: 01 January 2007
DOI: 10.1130/2007.2422(14)
... Epithermal ore deposits have traditionally been the most economically important in México, with renowned world-class deposits like those in the Pachuca–Real del Monte, Guanajuato, Fresnillo, Taxco, Tayoltita, and Zacatecas districts. Whereas in certain areas (like the Great Basin in Nevada...
Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2001
DOI: 10.5382/SP.08.10
EISBN: 9781629490328
... Abstract The Temascaltepec district is located in the southernmost part of the Mexican silver belt. It is made up of three major vein deposits. La Guitarra is the most outstanding and it is composed of six main veins. The veins trend from 120° to 90°, dipping steeply to the southwest and south...
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Journal Article
Published: 01 October 2000
Mineralogical Magazine (2000) 64 (5): 923–943.
... mining district, San Juan Mountains, Colorado: Part III. Progress toward interpretation of the chemistry of the ore-forming fluid for the OH vein . Econ. Geol. , 72 , 1 – 24 . Bloc , S. , Piermarini , G.J. , Munro , R.G. and Fuller , E. ( 1989 ) Isothermal phase behavior...
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Series: Reviews in Economic Geology
Published: 01 January 2020
DOI: 10.5382/rev.21.03
EISBN: 9781629495798
..., Topia districts; Dreier, 1984 ; Henry et al., 1991 ; Montoya-Lopera et al., 2019 ). In mid-Oligocene time, slab rollback or breakoff led to a rapid change to extensional arc conditions and widespread arc-parallel normal faulting coincident with migration of arc magmatism toward the trench ( Ferrari...
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Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2001
DOI: 10.5382/SP.08.01
EISBN: 9781629490328
... are correlated with the metal characteristics of the deposits, and their depth and style of formation. Fig. 1. Location map of selected low-sulfidation epithermal deposits in Mexico. District numbers are identified in Table 1 . Division of eastern and western terranes after Campa and Coney (1983...
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Journal Article
Published: 01 January 2006
Reviews in Mineralogy and Geochemistry (2006) 61 (1): 265–364.
... in the Keno Hill Ag-Pb-Zn district, Yukon, Canada ( Lynch 1989a , larger symbols) and with the compositions of coexisting fah deduced from unmixing features in a sample from the Husky mine, Keno Hill (Fig. 4.8, Sack et al. 2003 , small filled circles are light and dark areas in fah in Fig. 45b ). Error...
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Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2001
DOI: 10.5382/SP.08.11
EISBN: 9781629490328
... The Temascaltepec district is located 150 km southwest of Mexico City, in Mexico state, and is constituted by several sets of Ag-Au bearing low-sulfidation type epithermal veins. In this area three main vein sets occur from northwest to southeast: El Coloso, La Guitarra, and Mina de Agua (Fig. 1 ) which, based...
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