Las Chispas Deposit

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Series: AAPG Memoir
Published: 01 January 2016
DOI: 10.1306/13541957M1103660
EISBN: 9781629812748
... or too coarse to be utilized. Another source of confusion in the literature are the provincial stage names Woodbinian and Eaglefordian (Murray, 1961), as some portions of the Lower Eagle Ford in south Texas were deposited during the Woodbinian stage. The present study is an effort to address these issues...
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Journal Article
Published: 01 May 2007
American Mineralogist (2007) 92 (5-6): 918-925.
... content. The chemical and crystallographic details of the four minerals are given in Table 1 . Soon after Frondel’s (1963) study, Harris et al. (1965) pointed out the existence of an intermediate type of unit cell labeled 221 for a sample of polybasite from the Las Chispas deposit, Sonora, Mexico...
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Series: AAPG Memoir
Published: 01 January 2016
DOI: 10.1306/13541959M1103660
EISBN: 9781629812748
.... The depositional systems lie at the juncture between the Western Interior Seaway to the north and the Tethys Sea to the east during the sea-level highstand that culminated with Oceanic Anoxic Event (OAE) 2 ( Figure 1 ). Therefore, accurately determining the age of the depositional systems and the stratigraphic...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1944
AAPG Bulletin (1944) 28 (8): 1077-1195.
..., in the Carbonera and Las Vigas formations of the mountains just west of the Laguna district in eastern Durango, and in the San Marcos arkose of east-central Coahuila. Similar unnamed, coarse deposits occur in southern Nuevo Leon near Galeana, Tamaulipas, and in the Pungarabato-Huetamo area of northern Guerrero...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1965
AAPG Bulletin (1965) 49 (5): 511-525.
... mudrock deposits. For example, at Cieneguilla, Cuchillo Parado, Chispa Summit, and an area between Ojinaga and La Mula the lower 100–200 feet of the basin facies (overlying the Buda Limestone) has limestone flags. This sequence of flags is overlain by a few hundred feet of silty calcareous shale, above...
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Series: AAPG Studies in Geology
Published: 01 January 2009
DOI: 10.1306/13141061St583328
EISBN: 9781629810300
... mostly interbedded with them. Although some carbonates are present, many of the exotics appear to belong to belts that structurally overlie the evaporites (Las Villas*, Cifuentes*, etc.), and few of them suggest the platform carbonates. This, together with the fact that none of the wells drilled west...
Series: AAPG Memoir
Published: 01 January 2009
DOI: 10.1306/13191304M903339
EISBN: 9781629810287
... suggests that rocks in Escambray and Isla de la Juventud were always located south of the Cretaceous volcanic arcs, whereas upper Jurassic– Cretaceous sections belonging to the Guaniguanico Cordillera were deposited along the North American margin ( Cobiella-Reguera 1996a ). Data from the southeastern Gulf...
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Journal Article
Journal: Geosphere
Published: 01 December 2013
Geosphere (2013) 9 (6): 1562-1636.
... little (<200 km 3 ) or no ignimbrite was deposited. Some of the longer lulls that preceded the most voluminous eruptions likely reflected the time for accumulation of magma in huge shallow chambers before eruption was triggered. Other long lulls preceded the last two, single eruptions as the arc magma...
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Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 5-34.
... glaucophane and jadeitite. However, the jadeite-bearing blueschists of locality 2 are allochthonous river deposits not part of the in situ La Chispa Fm. or Pitajones Unit ( Grevel et al ., 1998 , 1999 ; Maresch et al ., 2012 ). The lawsonite-bearing greenschist assemblage described by Somin &...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2015
GeoArabia (2015) 20 (2): 19-74.
... to the understanding of the biostratigraphy and paleoecology of the Albian–Turonian deposits of this region. The mountains of Oman constitute an arcuate range situated on the northeastern margin of the Arabian Peninsula as a result of a compressional up-folding ( Figure 1 ). They may be considered as having...
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Series: SEPM Concepts in Sedimentology and Paleontology
Published: 01 January 2013
DOI: 10.2110/sepmcsp.11.214
EISBN: 9781565762893
... of former Soviet Central Asia (E32: 42°N, 73°E). Baikov et al. (1978) discussed Early Cretaceous celestite deposits from the Northern Caucasus (E33: 43°N, 45°E) that are of evaporitic origin. Veevers and Tewari (1995, Figure 6; see also Ranjit et al., 1996) cited gypsum in the Early Cretaceous Uttatur...
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