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Rancho La Barranca

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Journal Article
Journal: GSA Bulletin
Published: 01 March 2014
GSA Bulletin (2014) 126 (3-4): 289–306.
...; RG—Rancho Grande; La Angostura Basalt—location of basalt sample near Estancia La Angostura that was dated here using 40 Ar/ 39 Ar analyses. The San Jorge Basin is situated in Chubut and Santa Cruz Provinces of Argentina, between 44° and 47°S and 66° and 71°W ( Fig. 1 ). The basin...
FIGURES | View All (10)
Journal Article
Journal: GSA Bulletin
Published: 01 March 2012
GSA Bulletin (2012) 124 (3-4): 532–548.
... of regional shortening, uplift, and incision occurred to the southwest of the study area in the interval 148–130 Ma. The formations of the lower part of the Bisbee Group in the study area include the Rancho La Colgada and Morita formations ( Fig. 3 ). The Glance Conglomerate in Sonora may or may...
FIGURES | View All (15)
Published: 01 January 2006
DOI: 10.1130/2006.2402(05)
... of Barranca Quimichule. It shows primary surface flow features perfectly visible on aerial photos. It is over 100 m thick, 5 km long, and overlies the El Fraile and the older Las Cruces lava flows. It was not reached during field work, so the tephras that cover it were not identified; its morphology...
Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-19
EISBN: 9781786209658
... outcrops of northwestern Mexico, particularly of the Sonora state, have been studied since the beginning of the last century ( Dumble 1900 ; King 1939 ), focusing mainly on the successions exposed in Rancho La Casita and Cerro Cobachi ( Fig. 1 ), where a sequence of limestones and dolomites is exposed...
FIGURES | View All (6)
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1946
AAPG Bulletin (1946) 30 (10): 1621–1741.
... on the north side of the Río Negro where the river cuts through the frontal ridge of the Sierra de Perijá one kilometer east of Rancho La Sierra. Here there are 110 meters (361 feet) of hard, white to light gray, medium- to coarse-grained sandstone and a few intercalations of shale and sandy shale...
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Journal Article
Published: 23 May 2019
Canadian Journal of Earth Sciences (2020) 57 (3): 366–376.
... by isolated or fragmentary bones or teeth, as are most felines. The full skeleton is well-known from Rancho La Brea, California ( Merriam and Stock 1932 ). Bravo-Cuevas et al.’s (2016) report of Panthera atrox from the Mexican state of Hildalgo, west of Belize, is based on an isolated canine...
FIGURES | View All (4)
Journal Article
Published: 01 September 2017
Journal of Paleontology (2017) 91 (5): 1069–1082.
... with the Rhino layer of Rancho El Ocote and the lower layer of the Coecillos locality in the state of Guanajuato. Both faunas also include Megalonyx ( Table 2 ). Table 2 Faunal list of the late Hemphillian deposits of Tecolotlán, Jalisco, Mexico. Santa María Jalteco 8 La Hacienda JalTeco 20...
Journal Article
Journal: GSA Bulletin
Published: 01 November 2001
GSA Bulletin (2001) 113 (11): 1409–1422.
... del Cuervo near Rancho Los Filtros in central Chihuahua ( Fig. 1 ) ( Blount, 1983 ) have been recognized in wells ( Campa and Coney, 1983 ), as tectonic blocks in upper Paleozoic turbiditic sequences ( Blount, 1983 ), and as xenoliths in Cenozoic volcanic rocks ( Ruiz et al., 1988 ; Rudnick...
FIGURES | View All (13)
Journal Article
Published: 01 November 2019
Journal of Paleontology (2019) 93 (6): 1258–1275.
... Argentina de Ciencias Naturales, Tucumán : Buenos Aires , Sociedad Argentina de Ciencias Naturales , p. 151 – 152 Ameghino , F. , 1883 , Sobre una nueva colección de mamíferos fósiles recogidos por el Profesor Pedro Scalabrini en las barrancas del Paraná : Boletín de la Academia Nacional de...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2003
GSA Bulletin (2003) 115 (3): 298–313.
...., Bohlen, S.R., and Collerson, K.D., 1992 , Contrasting styles of pre-Cenozoic and mid-Tertiary crustal evolution in northern México: Evidence from deep crustal xenoliths from La Olivina: Journal of Geophysical Research , 97 . 17353 -17376. Capps , R.C. , 1981 , Geology of the Rancho El...
FIGURES | View All (9)
...—Sierra Los Tanques; QUI—Quitovac; SLG—Sierra La Gloria; CAL—Cerro Álamo; CP—Cerro Prieto; SA—Sierra del Álamo; CR—Cerro El Rajón; SSR—Sierra Santa Rosa; BIZ—Bizani; RB—Rancho Bámuri; SL—Sierra de López; SST—Sierra Santa Teresa; BA—Aconchi batholith; PS—Sierra Pozos Serna; LF—Sierra La Flojera; RP...
Series: AAPG Memoir
Published: 01 January 2001
DOI: 10.1306/M75768C6
EISBN: 9781629810638
..., Jt = Las Trancas Formation. Figure 10. View toward the southeast of a compressional fault in the Rancho Quemado duplex. Kt = Tamaulipas Formation, Jt = Las Trancas Formation. Figure 11. View toward the north-northeast, showing in the backround the structural discordance of the La...
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Series: AAPG Memoir
Published: 01 January 2001
DOI: 10.1306/M75768C12
EISBN: 9781629810638
..., assigned mostly to the Zacatecas Formation, accumulated in continental slope, toe-of-slope, and basin-plain environments along the passive continental margin of western Pangea. Strata of the Zacatecas Formation are age equivalent to rocks of the Antimonio Formation and Barranca Group in Sonora, the La Boca...
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Journal Article
Published: 01 September 2013
Journal of Paleontology (2013) 87 (5): 881–901.
... Mexico ( Fig. 1 ). The locality is reached by traveling north from Ejido Gavilan in Torreon to Laguna del Rey and then crossing Los Charcos de Risa. After 116 km on an unnumbered road, there is a dirt road that branches off to the right eastwards to Rancho El Porvenir. The fossil locality is situated 4.5...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1953
AAPG Bulletin (1953) 37 (4): 690–777.
...-bearing shale-sandstone sequence, overlies the Guasare with a slight unconformity. It is unconformably overlain by a predominantly shaly-clayey series (Los Ranchos-La Villa formation) of post-Oligocene age which is usually referred to as the Younger Tertiary and which consists, to a considerable extent...
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Journal Article
Journal: SEG Discovery
Published: 01 July 1998
SEG Discovery (1998) (34): 1–52.
... OF GEOLOGICAL SCIENCES, QUEEN'S UNIVERSITY, KINGSTON, ONTARIO, CANADA K7L 3N6 EMAIL: [email protected] rgenLina has rapidly emerged as a major focus of inter­ national exploration activity. With the confirmation of the giant NAZCA I Cu-dominated status (sensu Clark, 1993) of the Bajo PLATE ±Au de la Alumbrera...
Series: GSA Special Papers
Published: 09 December 2021
DOI: 10.1130/2020.2546(13)
EISBN: 9780813795461
... and South America. Other abbreviations: AZ—Arizona; SON—Sonora; CH—Chihuahua; CO—Coahuila; TAM—Tamaulipas; F/B—Floresta/Bucaramanga massifs; LS—La Silla; PV—Pueblo Viejo; UZ—Uzpanapa; SM—Santander Massif; SR—Sierra Santa Rosa. Figure 2. Correlation chart of Jurassic and Cretaceous strata discussed...
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.... The sources of these blocks are laharic deposits. 30.4 Continue for 3.4 km through the town of San Nicolás de los Ranchos and stop before the bridge across the Barranca Nexapa, next to a school and at the junction leading to San Pedro Yancuitlalpan. This is Stop 3-2. Exposed in the hillside are two lahar...
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Series: GSA Field Guides
Published: 04 September 2019
DOI: 10.1130/2019.0055(17)
EISBN: 9780813756554
... is optional and will depend on when we leave the Santa Elena mine. Defined by Rangin ( 1977 ) at its type locality near the Rancho La Colgada ~25 km WSW of Stop 4-5, the Upper Jurassic Cucurpe Formation consists of ~1000 m of thinly bedded shale, mudstone, tuffaceous siltstone and sandstone, and granule...
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Journal Article
Journal: SEG Discovery
Published: 01 January 1998
SEG Discovery (1998) (32): 1–52.
... Evening meeting Ranchos formation Mlnerrll Oaposl111: explor'n potential Visit exposures of (CM.Y10F3 'r.i Tho South AtltJ<:1tl4) las (