San Pedro Mesa

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Series: GSA Special Papers
Published: 01 April 2013
DOI: 10.1130/2013.2494(04)
... Hills on the west. The pre-rift rocks are most likely early Tertiary in age, but the presence of Mesozoic and Paleozoic sedimentary rocks cannot be ruled out. Geophysical data provide new evidence that an isolated exposure of Proterozoic rocks on San Pedro Mesa is rooted in the Precambrian basement...
Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2001
DOI: 10.5382/SP.08.14
EISBN: 9781629490328
... venture agreement between Metallica Resources, Inc., and Cambior Inc. The San Pedro district is located near the margin between the Eastern Sierra Madre and Central Mesa physiographic provinces. District stratigraphy consists of a well-defined sequence of Cretaceous limestones belonging to the Aptian age...
FIGURES | View All (10)
Journal Article
Published: 01 April 2013
Journal of Sedimentary Research (2013) 83 (4): 309-322.
FIGURES | View All (12)
Series: DNAG, Centennial Field Guides
Published: 01 January 1987
DOI: 10.1130/0-8137-5401-1.175
EISBN: 9780813754079
... Abstract This outcrop is located on Second Street between Pacific Avenue and Mesa Street in central San Pedro (Fig.1), approximately 25 mi (40 km) south of downtownLos Angeles, California.To reach the “Second Street locality” from downtown, take the Harbor Freeway (I-1 10) south to its...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 2010
DOI: 10.5382/GB.40
EISBN: 9781934969939
... Since its discovery in the late 16 th century, the Cerro San Pedro mining district has played an important role in the history and economic development of San Luis Potosí, Mexico. Between 1575 and 1950 the district is reported to have produced approximately 2.5 Moz of gold, 40 Moz of silver...
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Basaltic <b>mesa</b> north of Cerro <b>San</b> <b>Pedro</b>, showing the outcrop (A) where mixin...
Published: 01 May 2008
Figure 8. Basaltic mesa north of Cerro San Pedro, showing the outcrop (A) where mixing between calc-alkaline and peralkaline magmas was observed.
Published: 01 December 2001
DOI: 10.5724/gcs.01.21.0575
EISBN: 978-0-9836096-9-8
... Abstract Geochemical and sedimentological data obtained from outcrop localities examined during the present study are presented to explain the origin of bedded phosphatic limestones for selected San Pedro del Gallo terrane remnants (SPGTR) occurring southwest of the Walper Megashear...
Journal Article
Journal: GSA Bulletin
Published: 01 November 2014
GSA Bulletin (2014) 126 (11-12): 1481-1494.
...Francisco Gutiérrez; Domingo Carbonel; Robert M. Kirkham; Jesús Guerrero; Pedro Lucha; Vincent Matthews Abstract A paleoseismological investigation of flexural-slip faults related to interstratal evaporite dissolution suggests that such gravitational structures might have the potential to generate...
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Journal Article
Published: 01 August 2013
Journal of Sedimentary Research (2013) 83 (8): 562-590.
... and evaporitic deposits in horizontal or gently dipping strata. Limestones and marlstones form structural relief such as hills and platforms or mesas (locally known as “planas” or “muelas”). The foothills of these relief forms are composed of gypsum rocks, marlstones, mudstones, and sandstones. The study area...
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Journal Article
Published: 17 July 2018
Bulletin of the Seismological Society of America (2018) 108 (5A): 2634-2649.
...Thomas K. Rockwell; Aron J. Meltzner; Erik C. Haaker Abstract The past two southernmost San Andreas fault (SAF) ruptures occurred when ancient Lake Cahuilla was full, based on faulted lake sediment relationships and extensive liquefaction at sites near the shoreline. The times of the past two...
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Series: Society of Economic Geologists Guidebook Series
Published: 01 January 2010
DOI: 10.5382/GB.40
EISBN: 9781934969939
... and Zacatecas crops out in Corrales, Guanajuato, but it is Early Cretaceous in age ( Freydier et al., 1996 ). There is an unconformity over Triassic rocks in Mesa Central that can be observed in Zacatecas (Zacatecas), Sierra de Salinas, Sierra de Catorce, and Charcas (San Luis Potosí). This unconformity...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2422(02)
... Pedro deposits in San Luis Potosí are hosted by the same formation, and also by the Soyatal and Tamaulipas Formations ( Consejo de Recursos Minerales, 1996 ; Petersen et al., 2001 ). The skarn deposits in Mesa Central and neighboring areas, and the associated deposit types, have been historically...
Journal Article
Published: 07 August 2019
Seismological Research Letters (2019) 90 (5): 1767-1778.
... Cleofas; SPL, San Pedro Lagunillas; TF, Tamazula fault. Modified from Núñez‐Cornú et al. (2018) . (Inset) Location map of the study area within the North American continent. In the last 452 yr, there have been at least 22 earthquakes with M > 7.0 in the Jalisco region ( Núñez‐Cornú...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 1940
GSA Bulletin (1940) 51 (12_2): 1981-1987.
... Abstract PLEISTOCENE HISTORY OF THE NEWPORT BAY AREA, SOUTHERN CALIFORNIA BY STEPHEN C. BRUFF * The only Pleistocene beds exposed in this area are equivalent in age and lithology to those of the Palos Verdes sands of the San Pedro area. They are largely undeformed and lie unconformably...
Journal Article
Journal: Geosphere
Published: 01 October 2010
Geosphere (2010) 6 (5): 621-640.
... and San Luis Potosí and in the core of anticlines or related to basement uplifts of the Sierra Madre Oriental in Nuevo León and Tamaulipas, Mexico ( Fig. 1 ). The Triassic strata in the Mesa Central province (marine) have been assigned to the Zacatecas Formation (Carrillo-Bravo, 1968, in Silva-Romo et...
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Journal Article
Journal: Lithosphere
Published: 01 August 2012
Lithosphere (2012) 4 (4): 331-353.
... ( Diegel et al., 1995 ; Rowan et al., 1999 ). Mège et al. (2011) documented lateral spreads at the edge of Jabi and Kebenawa mesas in Ethiopia, where a limestone and sandstone cap rock, 400–450 m thick, is underlain by a laterally unconfined gypsiferous formation that is around 300 m in thickness...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2422(10)
... of meters, as in the case of the México City basin ( Venegas-Salgado et al., 1985 ; Pérez-Cruz, 1988 ; Silva-Romo et al., 2002 , Siebe et al., 2004 ), the San Pedro Ceboruco graben ( Ferrari et al., 2003a ), and the El Bajío zone ( Alaniz-Álvarez et al., 2001 ). If the Trans-Mexican Volcanic Belt...
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2402(05)
... (Malpaís, Las Mesas, Metepec, and San Pedro Benito Juarez lava flows), and glaciated (Fraile lava flows) and nonglaciated (Las Cruces, Buenavista, Quimichule, Atlimiyaya, Chiquipixle, and Nealtican lava flows) lava slopes with marked features, both from the central vent and from flank eruptions, mainly...
Journal Article
Published: 01 February 1983
Environmental and Engineering Geoscience (1983) xx (1): 9-94.
... within the Los Angeles sedimentary basin and rests on top of about 4,267 m (14,000 ft) of Miocene and Pliocene sediments and an undetermined thickness of pre-Miocene basement rocks. Pleistocene to Recent surficial geologic units overlie these oil-producing zones. These rock units include the San Pedro...
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1926
AAPG Bulletin (1926) 10 (5): 502-512.
...-water fauna; ( c ) “Lower San Pedro” sands with a cold-water fauna; ( d ) “Upper San Pedro” gravels and sands with a warm-water fauna; ( e ) freshwater sands and clays, carrying Mylodon , presumably the same species as is found at Rancho La Brea. Overlying all these beds was an unconformable bowlder bed...