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Calchaqui Valley

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(a) Location and geological map of the northern <b>Calchaquí</b> <b>Valley</b>. (b) Geolo...
Published: 01 December 2016
Fig. 1. (a) Location and geological map of the northern Calchaquí Valley. (b) Geological map of the Saladillo area. (c) Detailed geological map of the Saladillo area and location of the stratigraphic log described in Figure 2 .
... Two earthquakes are recorded in lake sediments of a former rock-avalanche–dammed lake at the outlet of the Calchaquíes valleys, Argentina. The lake existed between 13,830 ± 790 and 4810 ± 500 a, as indicated by 10 Be exposure ages of the landslide deposits that impounded that lake and caused...
Journal Article
Journal: Clay Minerals
Published: 01 December 2016
Clay Minerals (2016) 51 (5): 723–740.
...Fig. 1. (a) Location and geological map of the northern Calchaquí Valley. (b) Geological map of the Saladillo area. (c) Detailed geological map of the Saladillo area and location of the stratigraphic log described in Figure 2 . ...
FIGURES | View All (10)
Journal Article
Published: 01 February 2012
Italian Journal of Geosciences (2012) 131 (1): 123–135.
... are associated with this back-thrusting belt, one of which is the Santa María Valley, which makes up the southernmost portion of the Calchaquí Valley. The Santa María Valley was formed by two superposed tectonic events. The first event, during a phase of the Miocene (ca. 13-5 Ma), was an extension and volcanism...
FIGURES | View All (17)
Image
The main structures and major tectonic units of the <b>Calchaquí</b>-Santa María V...
Published: 01 February 2012
Fig. 2 The main structures and major tectonic units of the Calchaquí-Santa María Valley. North of 26° S lat., at both borders of the Calchaquí Valley, thick non-marine Cretaceous sequences of the Salta rift are present; these sequences are not evident to the south, where the Tertiary beds lie
Image
Location of the study area.  A ) Northwestern Basin (Salta Group) and locat...
Published: 01 November 2016
Fig. 1.— Location of the study area. A ) Northwestern Basin (Salta Group) and location of Cachi town in the Calchaquí valley. B ) Studied outcrops of the Maíz Gordo Formation at Los Colorados River.
Image
A generalized tectonic map of the eastern Sierras Pampeanas of the Andes in...
Published: 01 February 2012
-Calchaquí Valley represents a convergence axis.
Image
A)  Digital elevation model (DEM) from NW Argentina showing the distributio...
Published: 14 January 2022
Grandes basin; Ab, Arizaro basin; SdF, Salina del Fraile; SC, Sierra de Calalaste; PF, Purulla Field; CPP, Campo de Piedra Pómez; PV, Pasto Ventura; CV, Calchaquí Valley; LV, Lerma Valley; TV, Tonco Valley; PuV, Pucará Valley. AFT, AHe and ZHe thermocronological data were taken from Deeken et al. 2006
Image
A geologic map of the Santa María and Amaicha <b>Valleys</b> including the main st...
Published: 01 February 2012
Fig. 3 A geologic map of the Santa María and Amaicha Valleys including the main structures and locations of the cross-sections. There are two main basement uplifts in this segment of the Santa María Valley: the Cumbres Calchaquies and Aconquija Ranges. Each of these uplifts coincides
Journal Article
Journal: PALAIOS
Published: 24 July 2018
PALAIOS (2018) 33 (7): 338–352.
... from the Neogene of Argentina were documented by Horn et al. (2011) . Collected from several localities of the San José and Palo Pintado formations (middle Miocene and late Miocene respectively) at the Calchaquíes valleys, these records consist of marginal and non-marginal excisions, leaf-mines...
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Journal Article
Published: 14 January 2022
Journal of Sedimentary Research (2022) 92 (1): 32–49.
... Grandes basin; Ab, Arizaro basin; SdF, Salina del Fraile; SC, Sierra de Calalaste; PF, Purulla Field; CPP, Campo de Piedra Pómez; PV, Pasto Ventura; CV, Calchaquí Valley; LV, Lerma Valley; TV, Tonco Valley; PuV, Pucará Valley. AFT, AHe and ZHe thermocronological data were taken from Deeken et al. 2006...
FIGURES | View All (10)
Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP377.2
EISBN: 9781862396388
... was initially fragmented into four sub-basins: the Pucará, Brealito, Amblayo and Pampa Juntas sub-basins (Fig. 11 ). The western rift margin of the Salta Basin has a NNW–SSE orientation and corresponds with the left-lateral stepped extensional faults of the Calchaquí Valley. The footwall of this fault system...
FIGURES | View All (13)
Journal Article
Journal: GSA Bulletin
Published: 01 January 2014
GSA Bulletin (2014) 126 (1-2): 66–77.
... possible foreland basin burial in the Cenozoic, the magnitude of Cenozoic exhumation is less than that observed in samples that were located within deep Cretaceous and Cenozoic depocenters, such as the present-day Calchaqui Valley ( Figs. 2 and 3 ). This is supported by the fact that ranges...
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Journal Article
Published: 30 January 2018
Journal of Sedimentary Research (2018) 88 (1): 129–147.
... intercalated tuffs in these fossil dunes yielded an average K/Ar age of 22.50 ± 0.60 Ma ( Kraemer et al. 1999 ). Some minor eolian facies are also present in the lower to middle Miocene Pozuelos Formation from the Salar de Pastos Grandes (ca. 25° S; Alonso 1986 ). Moreover, in the Valles Calchaquíes, along...
FIGURES | View All (10)
Journal Article
Journal: PALAIOS
Published: 01 November 2016
PALAIOS (2016) 31 (11): 549–563.
...Fig. 1.— Location of the study area. A ) Northwestern Basin (Salta Group) and location of Cachi town in the Calchaquí valley. B ) Studied outcrops of the Maíz Gordo Formation at Los Colorados River. ...
FIGURES | View All (8)
Journal Article
Journal: Geology
Published: 01 July 2009
Geology (2009) 37 (7): 643–646.
... directions ( Gonzáles Villa, 2002 ; Hain, 2008 ). The intermontane-basin stage in the Valle Calchaquí (25.5°S) was caused by the uplift of the Sierra de León Muerto along the eastern border of the valley, leading to leeward aridification after 5.2 and before 2.4 Ma ago ( Coutand et al., 2006 ; Strecker et...
FIGURES
Journal Article
Journal: Geosphere
Published: 01 December 2013
Geosphere (2013) 9 (6): 1766–1782.
... ), and more detailed mapping in the northern Calchaquí Valley ( Hongn et al., 2007 ), Quebrada del Toro ( Marrett and Allmendinger, 1990 ), and northern Cachi Range ( Pearson et al., 2012 ). Within the study area, cleavage intensity and the grade of metamorphism increase to a maximum toward the west...
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Journal Article
Published: 01 January 2003
Journal of Sedimentary Research (2003) 73 (1): 82–90.
... ( Hermanns and Strecker 1999 ; Strecker and Marrett 1999 ; Hermanns et al. 2000 ). The most prominent landslide in the Santa Maria Basin occurs along the Rio Las Conchas, which drains this depression to the east below the confluence of the allochthonous Calchaqui and Santa Maria rivers at an elevation...
FIGURES | View All (9)
Series: Geological Society, London, Special Publications
Published: 01 January 2011
DOI: 10.1144/SP352.4
EISBN: 9781862396005
... the Quilmes Range to the west and the Calchaquíes Summits and Aconquija Ranges to the east. Water flows from south to north, in the opposite direction to the normal regional inclination. The altitude at the bottom of the valley varies between 1900 and 1600 m above sea level ( Strecker 1987 ). Fig. 1...
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Journal Article
Published: 24 November 2021
Environmental and Engineering Geoscience (2021) 27 (4): 395–407.
... mechanisms, and the hazard such events might pose. The Tiltill rockslide in northern Yosemite is one such example, consisting of 2.1 × 10 6 m 3 ± 1.6 × 10 6 m 3 of talus (1.5 × 10 6 m 3 original volume of rock mass) that slid across the floor of Tiltill Valley, partially damming Tiltill Creek to create...