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Cobham Bay Member

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Journal Article
Journal: GSA Bulletin
Published: 01 September 2002
GSA Bulletin (2002) 114 (9): 1070-1088.
... across a narrow marine margin underlain by Precambrian basement. Siliciclastic deposits of the Neoproterozoic Beardmore Group—here restricted to the Cobham Formation and those rocks of the Goldie Formation that contain no detrital components younger than ca. 600 Ma—occupied an inboard zone to the west...
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Series: GSA Field Guide
Published: 01 January 2015
DOI: 10.1130/2015.0040(07)
EISBN: 9780813756400
... Member (upper Miocene) “Zone 24.” Ward (1992; Ward and Andrews, 2008 ) proposed that “Zone 20” (Conoy Member) should become the basal member of the St. Marys Formation, but we leave it in the Choptank Formation. Eastover Formation: Claremont Manor Member (upper Miocene) and Cobham Bay Member (upper...
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Journal Article
Journal: PALAIOS
Published: 01 April 2017
PALAIOS (2017) 32 (4): 250-269.
... and Raymo 2005 ). The transgression was preceded by a phase of non-deposition or erosion (associated with a sea-level lowstand), such that the Sunken Meadow Member rests unconformably on either the Cobham Bay Member of the Eastover Formation, whose age is no younger than ∼ 4.9 Ma ( Krantz 1991...
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Series: GSA Field Guide
Published: 01 January 2017
DOI: 10.1130/2017.0047(03)
EISBN: 9780813756479
... end of the exposure it almost completely supplants the Cobham Bay Member of the Eastover Formation. This is the likely reason that Weems and Edwards (2007) did not recognize the presence of the Cobham Bay Member at Carmel Church. This conglomerate likely correlates to the Eastover-Yorktown marine...
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Series: GSA Field Guide
Published: 01 January 2017
DOI: 10.1130/2017.0047(05)
EISBN: 9780813756479
...—absent. Table 4. Vertebrate Footprints and Trace Fossils Found along the Westmoreland County High Cliffs, Potomac River, Virginia, Derived from the Bahramsville Member of the Bacons Castle Formation Trace fossil or track-maker Common name Indicated environment Ophiomorpha...
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Journal Article
Published: 01 January 2004
Journal of Foraminiferal Research (2004) 34 (1): 1-8.
... of deposition in an inner shelf embayment, and the Cobham Bay Member with higher diversity faunas, indicating open shelf, normal salinity conditions ( Ward, 1984 ). The Eastover Formation was deposited in the late Miocene between 8.6 and 6.2 Myr; although a slightly younger age is a possibility ( Culver...
FIGURES
Series: Geological Society, London, Special Reports
Published: 01 January 2016
DOI: 10.1144/SR27.14
EISBN: 9781862397071
... in a localized area (Fig. 127 ), and may be tectonically controlled. The correlation between this surface and the base of the Pegwell Member ( Knox et al. 1994 , fig. 2) is invalidated by the record of NP8 below this boundary at Pegwell Bay, while the base of NP8 is above the boundary at Bradwell...
Journal Article
Journal: GSA Bulletin
Published: 01 September 2004
GSA Bulletin (2004) 116 (9-10): 1253-1279.
... by Devonian peneplanation, removed the entire volcanic carapace and exposed the plutonic roots of the arc. The lower Byrd Group is represented by Lower Cambrian Shackleton Limestone, which contains a basal member of mature quartz arenite underlying meter-scale siliciclastic-carbonate cycles. Overlying...
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Journal Article
Journal: PALAIOS
Published: 01 June 2006
PALAIOS (2006) 21 (3): 272-288.
... . Daley , B. , and Edwards , N. , 1990 , The Bembridge Limestone (late Eocene), Isle of Wight, southern England: a stratigraphical revision : Tertiary Research , 12 . 281 – 292 . Edwards , N. , and Daley , B. , 1997 , Stratigraphy of the Totland Bay Member (Headon Hill Formation...
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Journal Article
Published: 01 September 2002
Journal of Sedimentary Research (2002) 72 (5): 641-656.
... basement (Nimrod Group) and are assigned to the Beardmore Group ( Fig. 2 ). These have generally been considered to be Neoproterozoic to possibly lowermost Cambrian in age ( Laird et al. 1971 ; Borg et al. 1990 ). The group consists of a lower unit, the Cobham Formation, of metamorphosed siliciclastic...
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Series: Geological Society, London, Special Reports
Published: 01 January 2016
EISBN: 9781862397071
... based on undescribed species (Archaegadiculus sp. A and other nomina nuda) are omitted. Identified only in the Ruisbroek Member (Belgium) (early Rupelian, Zone DO1). Identified in the mid-to late Rupelian in Belgium and the Netherlands...
Series: SEPM Concepts in Sedimentology and Paleontology
Published: 01 January 2013
DOI: 10.2110/sepmcsp.11.261
EISBN: 9781565762893
... Rouchy (1997) summarized the Paleogene basins, many of which include evaporites, of France and Spain. Dreyer (1993) cited an evaporitic member in the Paleocene Claret Formation of the Tremp Group from the Tremp-Graus Basin, northeastern Spain (E40: 41 °N, 0°)(see also Veigas, 1997, and Lopez...
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