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Pastos Grandes Basin

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A ) Geological map of the <b>Pastos</b> <b>Grandes</b> <b>basin</b> in the Sijes Sierra (simplif...
Published: 01 May 2000
Figure 1 A ) Geological map of the Pastos Grandes basin in the Sijes Sierra (simplified from Alonso 1992 , fig. 1 ). The position of the sections studied corresponding to the most important borate districts and mines along the Sijes Sierra is indicated: 1, Santa Elvira; 2, Santa Elena; 3
Journal Article
Journal: Geology
Published: 01 May 2009
Geology (2009) 37 (5): 407–410.
... geochronology and source sedimentary basin thermal histories, and ultimately the timing of multiple tectonothermal events in the Central Andes. Apatite triple dating of samples from the Eocene Geste Formation in the Salar de Pastos Grandes basin shows late Precambrian–Devonian apatite U-Pb crystallization ages...
FIGURES
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Inverse thermal modeling (T—temperature; L—length) for Geste Formation samp...
Published: 01 May 2009
Figure 3. Inverse thermal modeling (T—temperature; L—length) for Geste Formation samples from Arizaro and Salar de Pastos Grandes basins. A: Sample TG 41 (granitic cobble), Arizaro basin. B: Sample TG 408 (granitic cobble), Arizaro basin. C: Sample 2SP38 (detrital population: P2), Salar de Pastos
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Two examples of evaporitic successions bearing stratigraphic units formed b...
Published: 01 May 2016
Fig. 21.— Two examples of evaporitic successions bearing stratigraphic units formed by regular alternations of sulfate–borate minerals. A) Sulfate–borate alternation (unit formed by gypsum–hydroboracite alternations) in the Sijes Formation of the Pastos Grandes basin (NW Argentina). This gypsum
Image
A ) General stratigraphic section of the Tertiary and Quaternary sediments ...
Published: 01 May 2000
Figure 2 A ) General stratigraphic section of the Tertiary and Quaternary sediments in the Pastos Grandes basin and the Sijes Sierra area (adapted from Alonso 1986 and Vandervoort 1993 ). (*), data taken from Vandervoort (1993) (radiometric age in millions of years, Ma); the Neogene
Journal Article
Journal: Economic Geology
Published: 01 August 2020
Economic Geology (2020) 115 (5): 1079–1096.
... mining potential. Specifically, the salt pan of Arizaro represents the highest potential, mainly due to its size; Antofalla-Botijuelas has a large surface and promising Li/Mg ratios for Li recovery via brine evaporation, though its elongated shape is a constraint; and Pastos Grandes, Pozuelos, and Rincón...
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Image
A: Map of central South America showing location of study area in northwest...
Published: 01 May 2009
Figure 1. A: Map of central South America showing location of study area in northwestern Argentina. B: Geological map of southern Central Andes modified after Reutter et al. (1994) . C: Stratigraphic column of Geste Formation in the Salar de Pastos Grandes (modified after DeCelles et al., 2007
Journal Article
Published: 01 May 2000
Journal of Sedimentary Research (2000) 70 (3): 664–681.
...Figure 1 A ) Geological map of the Pastos Grandes basin in the Sijes Sierra (simplified from Alonso 1992 , fig. 1 ). The position of the sections studied corresponding to the most important borate districts and mines along the Sijes Sierra is indicated: 1, Santa Elvira; 2, Santa Elena; 3...
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Journal Article
Journal: Geology
Published: 01 April 2007
Geology (2007) 35 (4): 323–326.
... of detrital zircons in Cenozoic basin fills of the central Andes of northwestern Argentina primarily as a provenance tool. In the course of our work on samples of the Geste Formation in the Salar de Pastos Grandes area in the central Puna plateau, we discovered a small but systematic group of Eocene grains...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 May 2011
GSA Bulletin (2011) 123 (5-6): 821–840.
... throughout the complex. The new results unravel the eruptive history of the Pastos Grandes and Guacha calderas, two large multicyclic caldera complexes located in Bolivia. These two calderas, together with the Vilama and La Pacana caldera complexes and smaller ignimbrite shields, were the dominant sources...
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Journal Article
Journal: Geosphere
Published: 01 August 2016
Geosphere (2016) 12 (4): 1054–1077.
... primarily of high-K dacites and rhyodacites with minor rhyolites. Ignimbrite eruptions are sourced at large, multicyclic, nested calderas and smaller ignimbrite shields (see de Silva et al., 2006 ; de Silva and Gosnold, 2007 ). Seven eruptions from the La Pacana, Guacha, Pastos Grandes, and Vilama...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1964
AAPG Bulletin (1964) 48 (9): 1475–1512.
... the carbonate strata from underlying clastics. This unconformity has a very important bearing on the oil possibilities of the Barreirinhas basin. 1. Name and type section .—The name Serra Grande was first used by H. L. Small (1913) for the sandstones forming a high cuesta along the eastern...
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Journal Article
Journal: AAPG Bulletin
Published: 15 February 2020
AAPG Bulletin (2020) 104 (2): 305–328.
... cycle. It covers the basement and includes sandstones and siltstones. This supersequence corresponds to the Serra Grande Group described by Della Fávera (1990) , Góes and Feijó (1994) , and Góes (1995) . Figure 2. (A) Chronostratigraphic chart of eastern Parnaíba Basin (modified from Vaz et...
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Journal Article
Published: 01 February 2010
The Canadian Mineralogist (2010) 48 (1): 123–128.
... basin. The rocks exploited at the Santa Rosa mine are in the upper part of the sedimentary Pastos Grandes Group, in the Monte Amarillo and Monte Verde members of the late Miocene Sijes Formation ( Alonso 1999 ). The deposit was studied by Russansky (1985 , quoted in Alonso 1999 ) and consists of many...
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Journal Article
Journal: PALAIOS
Published: 01 September 2007
PALAIOS (2007) 22 (5): 513–527.
..., 1995 ; Evans and Welzenbach, 1998 ; Fouke et al., 2000 ). Pisolites similar to those in Quarry Profile 2 ( Fig. 4B ) and Trench 4 ( Fig. 5B ) have been described from modern spring-fed pools in Pastos Grandes, Bolivia ( Risacher and Eugster, 1979 ; Jones and Renaut, 1994 ). Spring deposits similar...
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Image
( A ) False colour Landsat images north of the Salar de Atacama region with...
Published: 01 August 2018
Figure 5 ( A ) False colour Landsat images north of the Salar de Atacama region with Pastos Grande (PG) caldera in the centre filled and surrounded by a 2.89 Ma ignimbrite ( Kern et al 2016 ). Yellow colours: ignimbrites; dark brown, grey to black: young andesitic lavas and stratovolcanoes. Blue
Journal Article
Published: 05 May 2020
Bulletin of the Seismological Society of America (2020) 110 (3): 1372–1386.
... et al. , 2017 ) and is, in turn, composed of three sedimentary groups: (1) Serra Grande, with ages ranging from Silurian to Lower Devonian occurring throughout the entire basin and predominantly composed of fluvial and deltaic sandstones and shales; (2) Canindé, composed of sandstones, shales...
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Series: Reviews in Economic Geology
Published: 01 January 2009
DOI: 10.5382/Rev.16.15
EISBN: 9781629490236
... of the aquifers (location and depth of aquifers within the basin). Given the large number of salt lakes in the Sud Lipez region, it is impossible to detail the geochemistry and mineralogy of each individual lake. Because remote sensing will focus on results gained from Capina and Pastos Grandes, only these two...
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Journal Article
Journal: Geology
Published: 01 February 2001
Geology (2001) 29 (2): 139–142.
... in alkaline lakes from the western U.S.A. : Geophysical Research Letters , v. 21 p. 773 – 776 . Jones , B. , and Renault , R.W. , 1994 , Crystal fabrics and microbiota in large pisoliths from Laguna Pastos Grandes, Bolivia : Sedimentology , v. 41 p. 1171 – 1202 . Kitano , Y...
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Journal Article
Published: 01 January 2001
Journal of Sedimentary Research (2001) 71 (1): 190–204.
... Zealand : Geology , v. 23 , p. 13 - 16 . Jones , B. , and Renaut , R.W. , 1994 , Crystal fabrics and microbiota in large pisoliths from Laguna Pastos Grandes, Bolivia : Sedimentology , v. 41 , p. 1171 - 1202 . Jones , B. , and Renaut , R.W. , 1997 , Formation...
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