Middle to late Miocene chronostratigraphy and development of the northern Gulf of California

Helenes, Javier; Carreño, Ana Luisa; Carrillo, Ricardo

doi:10.1016/j.marmicro.2009.02.003

Cited by 46 publications

(49 citation statements)

References 36 publications

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“…However, we note that Isla Tiburón is at the southeastern margin of a basin that, in its central part, has >7 km of sediments overlying the Late Cretaceous basement (Martín-Barajas et al, 2013). The well T-1 drilled by PEMEX near the deepest part of the Tiburón Basin encountered ~4.8 km of marine deposits (Helenes et al, 2009), which in their lower part are considered not reworked and have an upper age limit of 11.9 Ma based on the microfossils Ciclycargolithus fl oridanus (known range 37-11.9 Ma), Cribroperdinium tenuitabulatum (69.9-11.63 Ma), Paleocystodinium golzowense (56-9.2 Ma), and Dapsilidinium pseudocolligerum (56-7.12 Ma) (J. Helenes, 2013, written commun.).…”

Section: Pre-late Miocene Extension In the Northern Gulf Extensional mentioning

confidence: 77%

“…Micropaleontological studies of several deep wells drilled in the Wagner, Consag, and Tiburón Basins (Fig. 1) reported the occurrence of >1 km of marine sediments with shallow-water (<200 m) foraminifera, dinoflagellates, and nanofossils older than 11.2 Ma (Helenes et al, 2009). Recent reinterpretation of these data by J.…”

Section: Pre-late Miocene Extension In the Northern Gulf Extensional mentioning

confidence: 94%

“…Micropaleon to logi cal studies of deep wells drilled in the Wagner, Consag, and Tiburón Basins (Fig. 1) also suggest the presence of shallow-marine sedimentation in some areas of the northern Gulf of California in the Middle Miocene (Helenes et al, 2009). These data contrast with the geology of Isla Tiburón (Oskin and Stock, 2003;Bennett et al, 2012) (Fig.…”

Section: Introductionmentioning

confidence: 94%

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Although Basin and Range-style extension affected large areas of western Mexico after the Late Eocene, most consider that extension in the Gulf of California region began as subduction waned and ended ca. 14-12.5 Ma. A general consensus also exists in considering Early and Middle Miocene volcanism of the Sierra Madre Occidental and Comondú Group as subduction related, whereas volcanism after ca. 12.5 Ma is extension related. Here we present a new regional geologic study of the eastern Gulf of California margin in the states of Nayarit and Sinaloa after the end of subduction, implying that preexisting subduction-modifi ed mantle had now become isolated from melt source regions. Our study shows that rifting across the southern-central Gulf Extensional Province began much earlier than the Late Miocene and provided a fundamental control on the style and composition of volcanism from at least 30 Ma. We envision a sustained period of lithospheric stretching and magmatism during which the pace and breadth of extension changed ca. 20-18 Ma to be narrower, and again after ca. 12.5 Ma, when the kinematics of rifting became more oblique.

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Section: Pre-late Miocene Extension In the Northern Gulf Extensional mentioning

confidence: 77%

Section: Pre-late Miocene Extension In the Northern Gulf Extensional mentioning

confidence: 94%

Section: Introductionmentioning

confidence: 94%

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“…Oskin & Stock 2003), but an earlier marine incursion and the development of a seaway in the middle Miocene has been the basis for the concept of a 'Proto-gulf' (Karig & Jensky 1972). While the timing of marine incursion remains contentious and based principally on onshore exposures, comprehensive stratigraphic revision (Carreño & Smith 2007) and recent micropalaeontological studies of several deep wells drilled in the Wagner, Consag and Tiburón basins of the GoC document at least 1870 m of marine sediments deposited before 11.2 Ma (Helenes et al 2009;Helenes 2012).…”

Section: Gulf Of Californiamentioning

confidence: 99%

Pulling apart the Mid to Late Cenozoic magmatic record of the Gulf of California: is there a Comondú Arc?

Bryan

Orozco-Esquivel

Ferrari

et al. 2013

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The composition of the lithosphere can be fundamentally altered by long-lived subduction processes such that subduction-modified lithosphere can survive for hundreds of millions of years. Incorrect petrotectonic interpretations result when spatial-temporal-compositional trends of, and source contributions to, magmatism are not properly considered. Western Mexico has had protracted Cenozoic magmatism developed mostly in-board of active oceanic plate subduction beneath western North America. A broad range of igneous compositions from basalt to high-silica rhyolite were erupted with intermediate to silicic compositions in particular, showing calc-alkaline and other typical subduction-related geochemical signatures. A major Oligocene rhyolitic ignimbrite 'flare-up' (.300 000 km 3

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“…The volume is bracketed between lower and upper bounds using the crustal model of Fuis et al (1984), measured areas of six basinal domains (Fig. 2), and likely minimum and maximum values for three variable parameters: (1) total basin depth; (2) relative volume of igneous intrusions in the basins; and (3) age and composition of sediment in the deep basins, which may include locally derived Middle to Late Miocene deposits that predate input from the Colorado River (e.g., Helenes et al, 2009) (see the GSA Data Repository 1 ). Using this approach, the total volume of sediment in the subsurface basins is bracketed between 2.2 and 3.4 × 10 5 km 3 (Table 1).…”

Section: Volume Calculationsmentioning

confidence: 99%

Sedimentation and crustal recycling along an active oblique-rift margin: Salton Trough and northern Gulf of California

Dorsey

2010

Geology

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Transtensional basins embedded in the San Andreas fault system of Southern California (United States) and northwestern Mexico are fi lled with sediment derived from the Colorado River, which drains a large area of the western U.S. interior. The sediment is rapidly buried, heated, and mingled with intrusions in the deep basins to form a new generation of recycled crust along the active plate boundary. Using a range of values for total basin depth, relative volume of mantle-derived intrusions, and composition of early rift deposits, the volume of Colorado River-derived sediment in the basins is bracketed between 2.2 and 3.4 × 10 5 km 3 , similar to the volume of rock that likely was eroded from the Colorado River catchment over the past 5-6 m.y. The volumetric rate of crustal growth by sedimentation is ~80-130 km 3 /m.y./km, comparable to growth rates in subductionrelated island arcs and slow seafl oor spreading centers. Sedimentary and basinal processes thus play a major role in crustal evolution and recycling in this setting, and may be important at other rifted margins where a large river system is captured following tectonic collapse of a prerift orogenic highland.

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Middle to late Miocene chronostratigraphy and development of the northern Gulf of California

Cited by 46 publications

References 36 publications

Untitled

Untitled

Pulling apart the Mid to Late Cenozoic magmatic record of the Gulf of California: is there a Comondú Arc?

Sedimentation and crustal recycling along an active oblique-rift margin: Salton Trough and northern Gulf of California

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