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Lago Viedma Formation

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Journal Article
Journal: GSA Bulletin
Published: 01 March 2017
GSA Bulletin (2017) 129 (3-4): 349–371.
..., sedimentologic, and facies analyses of the Cenomanian-aged Lago Viedma Formation indicate a protracted phase of a dominantly shoreface and foreshore depositional setting at the northern end of the basin (Austral basin sector), whereas 200 km to the south, age-equivalent strata of the Punta Barrosa Formation...
Image
Simplified Magallanes Basin dip profile with <span class="search-highlight">Lago</span> <span class="search-highlight">Viedma</span> stratigraphy and a...
Published: 12 June 2020
Figure 4. Simplified Magallanes Basin dip profile with Lago Viedma stratigraphy and ages from Malkowski et al. (2017) and Última Esperanza stratigraphy and ages from Daniels et al. (2018) . Shaded zones indicate generalized intrabasinal source terranes. Colored arrows and associated boxes
Journal Article
Published: 01 January 2004
Italian Journal of Geosciences (2004) 123 (2): 127–161.
... Cardiel Formation Centinela Formation Cerro Toro Formation Chordata Cretaceous cyclic processes deltaic environment depositional environment estuarine environment Gastropoda ichnofossils igneous rocks Invertebrata La Anita Formation Lake Viedma lithofacies lithostratigraphy Lower...
Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 12 July 2019
Lithosphere (2019) 11 (5): 620–642.
..., hereafter referred to as A1, is recorded by a series of fluvial and shallow-marine units including the Rio Belgrano, Rio Tarde, Lago Viedma, and Puesto El Alamo formations ( Figs. 2B and 4 ; Arbe, 2002 ). The southward transition to deep-marine environments occurs near 49.5°S, where the shallow-marine...
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Journal Article
Published: 01 December 1982
Journal of the Geological Society (1982) 139 (6): 763–770.
... at Lago Argentino (Blasco et al. 1979). However, reports of Oxfordian- Kimmeridgian foraminifera and late Neocomian Fav- rella in the same formation are difficult to reconcile (Riccardi 1976) and it is possible that misidentifica- tions of some species, in addition to diachronism, have contributed...
Journal Article
Published: 01 July 2000
Geological Magazine (2000) 137 (4): 345–353.
... ( Skarmeta & Castelli, 1997 ); 8 – Lago Viedma; 9 – Fitz Roy; 10 – San Lorenzo; 11 – Rio Las Nieves; 12 – Chile Chico; 13 – Pampa Cosmelli; 14 – Lago General Carrera. The reported age of deformation in the northern part of this belt (latitudes 47° to 49° S), is Late Miocene ( Ramos, 1989 ; Flint...
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Journal Article
Published: 20 September 2022
Journal of the Geological Society (2022) jgs2022-038.
... the Southern Patagonian Andes are referred to as the Santa Cruz Formation ( Feruglio 1949 ; Furque 1973 ; Cuitiño et al. 2019 b ) ( Figs 1b and 2 ), except for the equivalent Pinturas Formation in the eastern side of Lago Buenos Aires Plateau ( De Barrio et al. 1984 ; Bown and Larriestra 1990...
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Journal Article
Published: 01 November 2019
Journal of Paleontology (2019) 93 (6): 1221–1233.
... element at the Puesto Estancia La Costa locality, in sediments typical of the Santa Cruz Formation. The associated cranium and mandible were discovered at the Cerro de los fósiles site, less than 50 km east of the Chilean border, approximately 20 km southeast of Lago Belgrano and slightly lower in section...
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Journal Article
Published: 16 September 2009
Geological Magazine (2010) 147 (2): 193–205.
... crust composed of ‘ophiolites’ (e.g. Dalziel, De Wit & Palmer, 1974 ; Suárez & Pettigrew, 1976 ). The Austral Basin is underlain by volcanic rocks, well exposed along the Patagonian Cordillera, that have been named the Ibáñez or Lago La Plata formations, in Chile and Argentina, respectively...
Journal Article
Journal: Geology
Published: 12 June 2020
Geology (2020) 48 (10): 992–996.
...Figure 4. Simplified Magallanes Basin dip profile with Lago Viedma stratigraphy and ages from Malkowski et al. (2017) and Última Esperanza stratigraphy and ages from Daniels et al. (2018) . Shaded zones indicate generalized intrabasinal source terranes. Colored arrows and associated boxes...
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Journal Article
Published: 01 March 2013
Journal of Sedimentary Research (2013) 83 (3): 258–276.
... Amarilla, and La Anita formations from three localities (1, C° Waring, 4, MAFer and 11, the South of Viedma Lake; Fig. 1 ) were selected for X-ray diffraction (XRD) analysis of whole rock and the clay fraction (< 2 µm). Outcrop sampling was made systematically with spacing of 1 m, and in some cases...
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Series: GSA Special Papers
Published: 07 April 2021
DOI: 10.1130/2020.2548(02)
EISBN: 9780813795485
... of the Lago Cardiel and Gobernador Gregores region. New radiometric ages (see Table 1 ) are indicated with red dots. The volcanic mesetas overlie Late Cretaceous to early Neogene marine and continental sedimentary rocks of the Río Mayer, Piedra Clavada, and Cardiel formations ( Ramos, 1982...
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Journal Article
Published: 01 November 2006
Journal of Paleontology (2006) 80 (6): 1113–1124.
... comprendida entre los lagos Argentino y Viedma (49° 40′–50° 10′ lat. S), Provincia de Santa Cruz : Revista de la Asociación Geológica Argentina , 52 . 333 – 360 . Lamarck , J. B. de. , 1799 , Prodrome d'une novelle classification des coquilles, comprenant une rédaction appropriée des...
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Series: GSA Field Guide
Published: 01 January 2008
DOI: 10.1130/2008.0013(01)
EISBN: 9780813756134
... the backarc. Both figures modified from Gorring et al. (1997) . Road Log Day 1—El Calafate to El Chaltén Stop 1-1: Patagonian Fold-Thrust Belt Figure 8. Geologic and structural map of the northern shore of Lago Viedma, with location of the structural section in Figure 9 . Figure from...
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Journal Article
Published: 01 September 1999
Journal of the Geological Society (1999) 156 (5): 957–964.
.... australe Hunicken (Macellari 1985; Riccardi 1988). These uppermost Cretaceous strata are inter- mittently exposed throughout the Austral (or Magallanes) Basin, from Tierra del Fuego in the south, to Lago Viedma (51)S) in the north. Gunnarites cf. antarcticus first occurs in the upper levels of the Rio...
Journal Article
Published: 01 December 2007
Environmental Geosciences (2007) 14 (4): 181–195.
... and porosity trends within the Niger Delta Basin : Petroleum Engineering Department Report 05.001 , 201  p. Márquez , A. , M. Á. de Pablo , R. Oyarzun , and C. Viedma , 2005 , Evidence of gully formation by regional groundwater flow in the Gorgonum-Newton region (Mars) : Icarus...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2011
GSA Bulletin (2011) 123 (9-10): 1679–1698.
... folds in the Punta Barrosa Formation. (C) Faulted and folded turbidite beds of the Punta Barrosa foredeep deposits, exposed along the northwest shore of Lago Grey. TABLE 1. ZIRCON U/Pb SAMPLE INFORMATION The earliest phase of Andean contractional deformation is recorded...
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Journal Article
Published: 01 December 2021
Journal of the Geological Society (2022) 179 (3): jgs2020-263.
... diachroneity defined by a local maximum hiatus of c. 40–60 myr in the north (from Lago Pueyrredón to Lago Viedma at 47–50° S; Fig. 5d ) and a continuous Paleocene–Eocene section in the south (within Tierra del Fuego at 53–55° S) ( Biddle et al. 1986 ; Ramos 1989 ; Wilson 1991 ; Malumián 2002...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2007
DOI: 10.1144/GOCH.3
EISBN: 9781862393936
... region, it is conformably overlain by Pleistocene-Holocene lacustrine deposits forming several major salars (Salar de Pintados–Bellavista, and Salar de Llamara ( Fig. 3.47 ). The deposits in these salars have been assigned to the Soledad Formation by Skarmeta & Marinovic (1981) (Lago Soledad...
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