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El Aliso Formation

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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2000
AAPG Bulletin (2000) 84 (11): 1811-1831.
...). Originally, seven stratigraphic units were proposed for the Cretaceous rocks exposed in the Lampazos area, but in this article only five units (El Aliso, Agua Salada, Lampazos, Espinazo del Diablo, and Los Picachos formations) have been used, and we propose herein to discontinue usage of the other two (Nogal...
FIGURES | View All (15)
Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2422(07)
... Sonora, Paleozoic strata consist of eugeoclinal deep-water facies, which include siliciclastic and carbonate rocks, chert, and less abundant volcanic rocks ( Stewart et al., 1990 ). The eugeoclinal sequence is well exposed in the Barita de Sonora, Sierra el Aliso, Cerro Cobachi, and Sierra el Encinal...
Journal Article
Journal: Geosphere
Published: 01 December 2011
Geosphere (2011) 7 (6): 1392-1418.
... Teguachi ranch area ( Figs. 2 and 5 ). In the southern part of this section the Cintura and Tarahumara Formations are normally faulted against each other across the Los Alisos fault. Between the El Teguachi ranch and the Sierra El Juparo, the Tarahumara Formation dips to the north and its section...
FIGURES | View All (15)
Image
Geologic map of Valle Santo Tomás. Map units depicted include: K EZ —<b>El</b> Zac...
in > Geosphere
Published: 05 December 2018
Figure 7. Geologic map of Valle Santo Tomás. Map units depicted include: K EZ —El Zacatón pluton; K LA —Los Alisos pluton; K EC —El Chocolate pluton; K AF —Alisitos Formation; Q AL —alluvium; UF—unnamed fault. Also identified are the locations for: CEZ—Cañon El Zacatón; RER—Rancho El Roquete; CV
Journal Article
Published: 01 February 2013
Environmental and Engineering Geoscience (2013) 19 (1): 41-68.
... and surficial strain of hanging wall sediments and resultant formation of shear and tension fractures and folds. We emphasize that the previous site-specific studies, including one conducted in part by the senior author ( Johnson, 2007 ), cannot and have not been able to describe and interpret the regional...
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Image
Schematic cross sections in the Lampazos area. The dotted lines are the pre...
Published: 01 November 2000
Figure 3 Schematic cross sections in the Lampazos area. The dotted lines are the present topography. EA = El Aliso Formation, AS = Agua Salada Formation, LA = Lampazos Formation, ED = Espinazo del Diablo Formation, LP = Los Picachos Formation, UV = undifferentiated volcanic rocks. The location
Series: GSA Field Guides
Published: 01 January 2017
DOI: 10.1130/2017.0045(02)
EISBN: 9780813756455
... considered entirely Early Cretaceous in age ( Herzig and Kimbrough, 2014 ) and they overlie the Jurassic Bedford Canyon formation on an angular unconformity. The Late Cretaceous Trabuco Formation likewise lies unconformably on the Santiago Peak Volcanics, a time gap of many millions of years. Both...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 2003
AAPG Bulletin (2003) 87 (2): 357-360.
..., respectively. We elaborate below on what we believe to be important differences in the interpretations of the geology of this area. Monreal and Longoria (2000) mapped the Sierra Las Azules in the southern part of the Lampazos area as the El Aliso Formation (their figure 2) instead of the Espinazo del...
Journal Article
Published: 01 January 2003
Journal of Paleontology (2003) 77 (1): 50-63.
... species, and the cancellariid Mataxa arida new species are from the Maastrichtian part of the Moreno Formation of north-central California. This is the earliest record of Cidarina , whose previous chronologic range was middle Eocene to Recent. Bulbificopsis is the first record of a Cretaceous ficid from...
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Series: GSA Special Papers
Published: 28 December 2018
DOI: 10.1130/2018.2540(11)
EISBN: 9780813795409
...) Cumulative age distribution curves for the Goose Rock Conglomerate quartzite cobble (GRCc) and detrital-zircon data from Cordilleran Ordovician quartzites. AQ—Aliso Quartzite; EQ—Eureka Quartzite; KQ—Kinnikinic Quartzite; MF—Monkam Formation; MQ—McAfee Quartzite; MWF—Mount Wilson Formation; SLQ—Sierra Lopez...
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Journal Article
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 595-617.
...) and Si (up to 3890 ppm), which indicates magmatic-metasomatic inputs. Enrichments in LREEs (Y, La, Ce, and Nd), Zn, and Pb, likely contained within remnant formational fluids, and elevated Be, Nb, Ta, Sn, Th, and U contents, likely contained within mineral inclusions, suggest that the sapphires were...
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Journal Article
Published: 01 March 2008
Journal of Paleontology (2008) 82 (2): 213-237.
... of geologic record gaps. If rudist occurrences of El Piojo Formation are of late Campanian age, no drop would exist Figure 2 —Correlation chart. Age ranges of Cretaceous volutes from this paper. Pattern on bars distinguish three Volutoderma lineages: “Typical” diamonds, “ Angelica ” crosses...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1976
AAPG Bulletin (1976) 60 (1): 65-86.
..., combined with the addition of known thicknesses of sections of the Sespe Formation, permits the construction of original Sespe isopachs and the reconstruction of the Oligocene basin, herein called the Santa Barbara basin. This basin was bounded, south of the present Ventura basin and west of the present...
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Journal Article
Journal: GSA Bulletin
Published: 01 August 2000
GSA Bulletin (2000) 112 (8): 1155-1178.
... to lower-middle Eocene clastic formations intersects the fault zone and is offset by it to give the new measure. Fragmentary evidence hints that the Whittier structural zone may have exerted control on bathymetric-topographic relief and sedimentation even in latest Paleocene (ca. 54 Ma). A clear...
FIGURES | View All (11)
Series: GSA Field Guides
Published: 04 September 2019
DOI: 10.1130/2019.0055(17)
EISBN: 9780813756554
... lineament. A—Alisos; BC—Buenavista del Cobre; EA—El Alacrán; EP—El Pilar; LU—Lucy; LV—La Verde; M—Maria; MA—Mariquita; MI—Milpillas; TO—Toro (modified after Del Rio-Salas, 2011 , and Del Rio-Salas et al., 2017 ). After porphyry copper emplacement, the region was affected by Basin and Range...
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Image
U-Pb and Hf data and interpretations for samples from Sonora. Analyses are ...
in > Geosphere
Published: 01 February 2014
Figure 10. U-Pb and Hf data and interpretations for samples from Sonora. Analyses are from the Lower Cambrian Proveedora Quartzite (n = 145), Middle or Upper Ordovician Quartzite of Sierra Lopez (n = 190), Middle Ordovician Quartzite of Sierra El Aliso (n = 102), Upper Devonian Quartzite of Cerro
Journal Article
Journal: AAPG Bulletin
Published: 01 June 1941
AAPG Bulletin (1941) 25 (6): 1159-1166.
... producing area of Inglewood field (Fig. 1). It completed its Sentous No. 1 well with bottom at 8,760 feet for a settled rate of 80 barrels of 30° gravity oil and 100,000 cubic feet of gas per day. The producing formation is considered to be Topango (middle Miocene) because Valvulineria californica is found...
FIGURES
Journal Article
Journal: Geosphere
Published: 05 December 2018
Geosphere (2019) 15 (1): 119-145.
...Figure 7. Geologic map of Valle Santo Tomás. Map units depicted include: K EZ —El Zacatón pluton; K LA —Los Alisos pluton; K EC —El Chocolate pluton; K AF —Alisitos Formation; Q AL —alluvium; UF—unnamed fault. Also identified are the locations for: CEZ—Cañon El Zacatón; RER—Rancho El Roquete; CV...
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Journal Article
Published: 01 November 2010
Journal of Paleontology (2010) 84 (6): 1022-1030.
... District Formation and Chatsworth Formation ( Squires and Saul, 2001 ); upper Tuna Canyon Formation ( Squires and Saul, 2009 ); Chico Formation, Musty Buck Member ( Squires and Saul, 2003c ); Williams Formation, Pleasants Sandstone Member ( Squires and Saul, 2001 ); El Piojo Formation ( Squires and Saul...
FIGURES | View All (6)
Journal Article
Journal: Geosphere
Published: 01 February 2014
Geosphere (2014) 10 (1): 49-65.
...Figure 10. U-Pb and Hf data and interpretations for samples from Sonora. Analyses are from the Lower Cambrian Proveedora Quartzite (n = 145), Middle or Upper Ordovician Quartzite of Sierra Lopez (n = 190), Middle Ordovician Quartzite of Sierra El Aliso (n = 102), Upper Devonian Quartzite of Cerro...
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