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Quebrada de los Colorados Formation

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Journal Article
Journal: Geology
Published: 01 March 2007
Geology (2007) 35 (3): 271–274.
...F. Hongn; C. del Papa; J. Powell; I. Petrinovic; R. Mon; V. Deraco Abstract The Quebrada de los Colorados Formation, at the north end of Calchaquí Valley in Salta Province, northwest Argentina, preserves evidence of syndepositional deformation since the middle Eocene (ca. 40 Ma) that includes (1...
FIGURES
Image
Figure 1. A: Geologic map of North Calchaquí Valley. B: Columns of Quebrad...
Published: 01 March 2007
Figure 1. A: Geologic map of North Calchaquí Valley. B: Columns of Quebrada de los Colorados Formation in Saladillo and La Poma; schematic facies stacking is represented. C: Syntectonic angular unconformity between sequences I and II. Stereoplot shows poles to bedding in both sequences. D: Geology
Image
Figure 2. Shaded relief map of southern Central Andes with location of rift...
Published: 01 March 2007
symbols) and from fission tracks or absolute dating (white symbols). References: 1—Quebrada de los Colorados Formation (this paper); 2—Casa Grande Formation (this paper; Monaldi et al., 1993 ; Coutand et al., 2001 ); 3— Mpodozis et al. (2005) ; 4— Reutter et al. (1996) ; 5— Andriessen and Reutter (1994
Image
(a) Bedding in the Sierra <b>de</b> <b>los</b> <b>Colorados</b> domains (lower-hemisphere plot o...
Published: 25 July 2016
Figure 4. (a) Bedding in the Sierra de los Colorados domains (lower-hemisphere plot on equal-area stereonet; GEORIENT software by Holcombe, 2005). Sampled key areas are N: Norte; QP: quebrada de Pozuelos; QLT: quebrada de La Troya; NV: north of Vinchina
Journal Article
Published: 25 July 2016
Geological Magazine (2016) 153 (5-6): 1042–1065.
...Figure 4. (a) Bedding in the Sierra de los Colorados domains (lower-hemisphere plot on equal-area stereonet; GEORIENT software by Holcombe, 2005). Sampled key areas are N: Norte; QP: quebrada de Pozuelos; QLT: quebrada de La Troya; NV: north of Vinchina...
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Journal Article
Journal: PALAIOS
Published: 01 October 2015
PALAIOS (2015) 30 (10): 743–757.
... of many taxa from this microfossil bonebed with the Los Colorados paleofaunal assemblage, confirm a late Norian age for the Quebrada del Barro Formation ( Martínez et al. 2015 ). Colombi et al. (2014) recognized four facies associations (FA) in the Quebrada del Barro Formation, described...
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Journal Article
Published: 01 April 2006
The Canadian Mineralogist (2006) 44 (2): 323–340.
... kimberlite de Quebrada Grande et des placers associés, les deux situés à 50 km au sudest. Les cristaux de diamant des placers de Los Coquitos sont en général semblables à ceux de Quebrada Grande, mais avec des différences morphologiques importantes. Le diamant des placers de Los Coquitos possède une...
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Journal Article
Published: 27 February 2020
Journal of Sedimentary Research (2020) 90 (2): 250–267.
... in the formation of internal drainage and that aggradation behind the uplifting range must keep pace with the rock uplift. We hypothesize that the coeval uplift of the Umango and Espinal basement blocks ( Japas et al. 2016a ), coupled with the initial doming of the Sierra de Los Colorados, may have dammed...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1964
AAPG Bulletin (1964) 48 (1): 70–84.
... is transitional. At several localities the Sabaneta Formation exhibits low-grade metamorphism, usually in the form of slate developed in the finer-grained layers. Only the exposures in southern Mérida show no evidence of metamorphism. Dolerite dikes cut the Sabaneta Formation in Quebrada Tierra de Lajas, near...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2016
Clay Minerals (2016) 51 (5): 723–740.
... at the bottom, through R1 I-S-type mixed layers in between, indicating the deep diagenetic transformations ( Fig. 2 b). The study section comprises sediments representing the infill of the Los Colorados basin (Quebrada de los Colorados Formation, QLC), recently defined as part of a broken foreland basin ( del...
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Journal Article
Published: 26 June 2018
Journal of Paleontology (2018) 92 (5): 768–793.
... José de Jáchal, where the San Juan Formation forms a westward-dipping homoclinal succession. The A. argentina specimens described herein were collected mainly at Quebrada Los Gatos and the adjacent Quebrada Honda stratigraphic sections from a 10−12 m thick package of nodular limestones lying...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1961
AAPG Bulletin (1961) 45 (3): 342–375.
... series” of Kündig “is exactly equivalent to the Sabaneta formation, although much more metamorphosed.” However, those sediments mentioned by him between Ejido and Mesa de los Indios are actually redbeds of Mesozoic age. On the other hand. Pierce (1959 , p. 20-24) correlated the basal part of the “Mérida...
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Journal Article
Journal: PALAIOS
Published: 01 August 2008
PALAIOS (2008) 23 (8): 535–547.
... conducted a basinwide sedimentologic study of the Los Rastros Formation. Stratigraphic sections were measured in the widely spaced districts of Río Gualo, Aguada de Ischigualasto–Agua de la Peña, and Quebrada de Ischichuca ( Fig. 1 ). Sedimentological features of these sections, including lithology, bed...
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Journal Article
Published: 01 November 2016
Journal of Paleontology (2016) 90 (6): 1068–1080.
... Lingulasma Ulrich, 1889 One conjoined specimen CEGH-UNC 26920 from the upper part of the San Juan Formation, Cerro Viejo (Quebrada Los Gatos), and one incomplete dorsal valve CEGH-UNC 26921 from transitional beds between the San Juan Formation and the Los Azules Formation, Sierra de Villicum...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2004
GSA Bulletin (2004) 116 (1-2): 171–187.
... around the town of Belén, Chile; and (3) Quebrada Choja, Chile ( Fig. 2 ). The following section outlines field observations and geochronological results for each inlier. Analytical results with 2-sigma errors are in Table DR1. Table DR1, geologic maps of each inlier with sample locations (Figs. DR1...
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Journal Article
Published: 01 January 2005
Journal of Paleontology (2005) 79 (1): 89–109.
.... Holotype cranidium CEGH-UNC 21408 ( Fig. 4.1, 4.9 ). Paratypes CEGH-UNC 21409–21414. All from the lower member of the Gualcamayo Formation, Río Gualcamayo, San Juan Province, Microzarcodina parva Zone (late Arenig). Type locality, and Quebrada de Los Sapitos, Río Guandacol, La Rioja Province...
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Journal Article
Journal: Geosphere
Published: 21 December 2018
Geosphere (2019) 15 (1): 47–59.
... lineaments. The bulge is located upon the hanging wall of the east-vergent, Pedernales-Arizaro NE-SW–trending Middle Miocene major thrust fault. The footwall of this fault was previously affected by a major explosive activity producing the Los Colorados caldera at ca. 9.4–9.8 Ma, the source of the homonymous...
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Journal Article
Published: 16 December 2015
Journal of Paleontology (2015) 89 (4): 622–630.
... of the Quebrada Chamarra, Los Colorados area (23°34" S, 65°42" W), 30 km northwest of Purmamarca village, at the western foot of the Argentine Cordillera Oriental (Tumbaya Department, Jujuy Province). The Acoite Formation reaches a thickness of ~2000 m in the Quebrada Chamarra...
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Journal Article
Published: 27 September 2019
Geological Magazine (2020) 157 (4): 539–550.
... of the Darriwilian described by Ortega et al . ( 2014 ) for the Los Sombreros Formation agrees with that of the uppermost strata of the San Juan Formation and the lower member of the Los Azules Formation, which expose in the Cerro Viejo de Huaco area of Central Precordillera. Thereby, the levels of the Los...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 2004
AAPG Bulletin (2004) 88 (9): 1255–1276.
... granite; Thua = Hualfín Formation; Tarc = Las Arcas Formation; Tchi = Chiquimil Formation, undifferentiated; Tchiba = Los Baños Member, Chiquimil Formation; Tchiasp = El Áspero Member, Chiquimil Formation; Tchija = El Jarillal Member, Chiquimil Formation; Tand = Andalhuala Formation; Tcq = Corral...
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