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Naica Mine

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Journal Article
Journal: Economic Geology
Published: 01 February 1979
Economic Geology (1979) 74 (1): 95-108.
... sulfide mineralization at Naica provide the first direct observations of main-stage fluids in these deposits. The inclusions can be divided into three compositionally distinct groups: (A) liquid + vapor (119 degrees -379 degrees C homogenization temperatures), (B) liquid + vapor + halite (237 degrees...
Series: DNAG, Geology of North America
Published: 01 January 1991
DOI: 10.1130/DNAG-GNA-P3.259
EISBN: 9780813754703
... Abstract The Naica mining district is located in the municipality of Saucillo in south-central Chihuahua State, 110 km directly southeast of Chihuahua, the state capital, at an altitude of 1,382 m and geographic coordinates 27°52′00″N, 105°26′15″W (Fig. 1). Access to the district is by a 26-km...
Image
Figure 1. Cross section of <b>Naica</b> <b>mine</b>. <b>Mine</b> exploits hydrothermal Pb-Zn-Ag ...
in > Geology
Published: 01 April 2007
Figure 1. Cross section of Naica mine. Mine exploits hydrothermal Pb-Zn-Ag deposit with irregular manto and pipe morphologies entirely enclosed in subhorizontally dipping carbonates (not represented for simplicity). Cavities of gypsum crystals are located in carbonates close to main and secondary
Journal Article
Journal: Economic Geology
Published: 01 September 1959
Economic Geology (1959) 54 (6): 1002-1034.
...John Grover Stone AbstractIn the Naica mining district of N-central Mexico, pyrometasomatic and mesothermal replacement bodies of base-metal sulfides with minor amounts of Ag and Au occur in a thick sequence of locally marmorized Cretaceous limestone. The only igneous rocks known in the Sierra de...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1990
EISBN: 9781934969595
... Abstract The main item of interest is the visit to the Naica mine, which is reached by travelling southwards along valley floors to Delicias, and then southwestward to the mining community. The deposits comprise a lead-zinc-silver assemblage and are well developed in numerous mantos and breccia...
Journal Article
Journal: Geology
Published: 01 April 2007
Geology (2007) 35 (4): 327-330.
...Figure 1. Cross section of Naica mine. Mine exploits hydrothermal Pb-Zn-Ag deposit with irregular manto and pipe morphologies entirely enclosed in subhorizontally dipping carbonates (not represented for simplicity). Cavities of gypsum crystals are located in carbonates close to main and secondary...
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Figure 3. Isotope composition of sulfate molecules in gypsum, anhydrite, an...
in > Geology
Published: 01 April 2007
Figure 3. Isotope composition of sulfate molecules in gypsum, anhydrite, and water collected at Naica mine. Polygonal surface enveloping the isotope composition of water from which the gypsum crystals grew is obtained by subtracting from the gypsum values the enrichment factor of 1.65‰ for sulfur
Image
Figure 4. A: Variation of anhydrite and gypsum solubility with temperature ...
in > Geology
Published: 01 April 2007
Figure 4. A: Variation of anhydrite and gypsum solubility with temperature for three different values of salinity: (0) for pure calcium sulfate solutions; (1) for salinity equal to and (2) twice that found in present-day water collected at Naica mine. B: Induction time for homogeneous
Journal Article
Journal: Geology
Published: 01 December 2013
Geology (2013) 41 (12): e305.
... crystals formed. © 2013 Geological Society of America 2013 * E-mails: paolo.garofalo@unibo.it , guenther@inorg.chem.ethz.ch . REFERENCES CITED Alva-Valdivia L.M. Goguitchaichvili A. Urrutia-Fucugauchi J. , 2003 , Petromagnetic properties in the Naica mining district, Chihuahua, Mexico...
Journal Article
Journal: Geology
Published: 01 December 2013
Geology (2013) 41 (12): e306.
... , Climatic control on the growth of gigantic gypsum crystals within hypogenic caves (Naica mine, Mexico)? : Earth and Planetary Science Letters , v. 289 , p. 560 – 569 , doi:10.1016/j.epsl.2009.11.057 . Garofalo P.S. Forti P. Günther D. , 2013 , Determining gypsum growth temperatures...
Journal Article
Journal: Geology
Published: 01 February 2013
Geology (2013) 41 (2): 119-122.
... crystals were grown in the laboratory from solutions under atmospheric pressure at different temperatures, and natural gypsum crystals were collected at different sites in the Naica mine. (For more details, see the GSA Data Repository 1 .) Gypsum also occurs at the later stages of hydrothermal systems...
FIGURES
Journal Article
Published: 01 October 2012
Geochemical Perspectives (2012) 1 (4-5): 485-489.
... to nanomaterials with at least one dimension less than 100 nm. A good comparison is seen in Figure 1.2 , which shows giant gypsum crystals found in a lead-zinc-silver mine in Naica, Chihuahua, Mexico ( Garcia-Ruiz et al ., 2007 ), and gypsum crystals grown in the lab by self-assembly from tiny calcium sulphate...
FIGURES
Journal Article
Journal: Economic Geology
Published: 01 May 2008
Economic Geology (2008) 103 (3): 539-554.
... used to estimate minimum formation pressures for inclusions from the Ditrau Alkaline Massif, Transylvania, Romania, the Musoshi stratiform copper deposit, Zaire, the Bismark skarn deposit, northern Mexico, the Naica chimneymanto deposit, Mexico, the Questa porphyry molybdenum deposit, New Mexico...
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Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2009
DOI: 10.5382/SP.14.05
EISBN: 9781629490380
... limited number of deposits (Table  2 ), many of which are of precisely the kind of districts currently being reevaluated as potential zinc oxide producers. Silver and lead were the principal focus of mining at the time, so reported lead grades are reliable, but zinc grades were much less reliably reported...
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Journal Article
Journal: Economic Geology
Published: 01 August 2008
Economic Geology (2008) 103 (5): 909-938.
... porphyry, Mackay Granite (a porphyritic rapakivi granite with fine-grained groundmass), and numerous dikes of latite porphyry, granodiorite porphyry, and quartz porphyry. Quartz monzodiorite is exposed in three small areas at the northern end of the stock and in some of the workings of the Empire Mine...
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Journal Article
Journal: Economic Geology
Published: 01 December 2003
Economic Geology (2003) 98 (8): 1637-1666.
... logging and mapping information of Newcrest Mining Limited supplemented this work. Concentric zonation of sulfide minerals is well developed at Ridgeway ( Figs. 8C and 9C ). The core of the system comprises a bornite > chalcopyrite zone and is coincident with the highest gold grades. Peripheral...
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Journal Article
Journal: The Leading Edge
Published: 01 June 2009
The Leading Edge (2009) 28 (6): 730-735.
...-aged Mexican Thrust Belt and the Tertiary volcanic plateau of the Sierra Madre Occidental, a zone where structurally prepared carbonate host rocks were invaded by metal-rich intrusive bodies ( Figure 1 ). The largest CRDs, including Santa Eulalia, Naica, Charcas, Velardena, Concepcion del Oro...
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Journal Article
Published: 01 November 2005
European Journal of Mineralogy (2005) 17 (6): 905-913.
... mechanisms. Our samples were collected at the level 280 of the ore vein #185 of the Surneshko Kladenche mine. The vein consists of brecciated pieces of the main chalcopyrite-pyrite ore and altered wall rocks cemented by coarse-grained calcite and fine-grained quartz. In the central part of the vein irregular...
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Journal Article
Published: 01 May 2007
Geochemistry: Exploration, Environment, Analysis (2007) 7 (2): 139-151.
... temperature (16–22°C), in dry conditions with relative humidity in the range 40–60%. Raw spectra were processed using the software The Spectral Geologist (TSG TM ), developed by CSIRO Exploration and Mining, for displaying, analysing and interpreting spectral data. In general, the reproducibility of spectra...
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Journal Article
Journal: Economic Geology
Published: 01 June 2007
Economic Geology (2007) 102 (4): 763-775.
... gold mining district, Ghana — Jerry S. Kuma 89 Noise reduction and best band selection techniques for improving classification results using hyperspectral data: Application to lithological mapping in Canada’s Arctic— J.R. Harris, P. Ponomarev, J. Shang, and D. Rogge 341 Phase relations of a F...