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Gosport Formation

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Figure  1. Rarefaction curves for the middle Eocene <b>Gosport</b> <b>Formation</b> at Cl...
Published: 01 May 2009
Figure 1. Rarefaction curves for the middle Eocene Gosport Formation at Claiborne Bluff (CB), Alabama. The horizontal dashed line indicates the species richness reported from the Gosport at CB in museum collections and the literature ( S = 411). The slightly elevated solid black line indicates
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1938
AAPG Bulletin (1938) 22 (3): 309-314.
... Claiborne fossils, and we shall call it the Claiborne Fossiliferous Sand. … Thickness about 15 to 17 feet. The beds underlying this Gosport section were described as glauconitic, sandy marl with Ostrea sellaeformis , which beds are now assigned to the Lisbon formation. The Claiborne Fossiliferous Sand...
Journal Article
Journal: PALAIOS
Published: 01 September 2010
PALAIOS (2010) 25 (9): 550-564.
... distributions of common taxa drawn from bulk samples to quantify size differences between the Gosport Sand and the underlying Lisbon and overlying Moodys Branch Formations. In all but one of the twelve lineages examined, Gosport Sand individuals are larger than those in adjacent units. As taphonomic processes...
FIGURES | View All (9)
Journal Article
Published: 01 November 2016
Journal of Sedimentary Research (2016) 86 (11): 1249-1268.
... and taxonomically diverse example, the upper middle Eocene Gosport Sand of southwestern Alabama. Any model for the formation of the Gosport Sand must explain at least the following observations: 1) its high abundance of shells, 2) its high taxonomic diversity, 3) its mature authigenic glauconite, which becomes more...
FIGURES | View All (16)
Series: GSA Special Papers
Published: 01 December 2008
DOI: 10.1130/2008.2446(01)
... and tephrostratigraphic correlations establish the time spans for the four formations present at Gona: the Adu-Asa (>6.4–5.2 Ma), Sagantole (>4.6–3.9 Ma), Hadar (3.8–2.9 Ma), and Busidima Formations (2.7 to <0.16 Ma). The volcano-sedimentary succession at Gona displays many classic tectono-sedimentary features...
Image
Figure 1. Selected mollusks from the Lisbon <b>Formation</b>, <b>Gosport</b> Sand, and Mo...
in > PALAIOS
Published: 01 September 2010
Figure 1. Selected mollusks from the Lisbon Formation, Gosport Sand, and Moodys Branch Formation demonstrate the difference in sizes of individuals among the three units.
Image
Figure 3. Size-frequency distributions for ten Lisbon, <b>Gosport</b> Sand, and Mo...
in > PALAIOS
Published: 01 September 2010
Figure 3. Size-frequency distributions for ten Lisbon, Gosport Sand, and Moodys Branch Formation lineages. Venericardia (1)  =  V. trapaquara – V. alticostata lineage (I). Venericardia (2)  =  V. rotunda–V. diversidentata lineage (J).
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1985
AAPG Bulletin (1985) 69 (2): 307.
... Mountain formations, the Gosport Sand, Moodys Branch, and lowermost Yazoo formations correlate to the Bartonian Stage. The Crystal River and most of the Yazoo Formation correlate to the Priabonian Stage. The uppermost Yazoo Formation, the Bumpnose Limestone, Red Bluff, Forest Hill, and Mint Spring...
Journal Article
Journal: Paleobiology
Published: 01 January 2005
Paleobiology (2005) 31 (3): 459-479.
... samples of the Severn (Maastrichtian: Maryland), Providence (Maastrichtian: Georgia and Alabama), Stone City (Eocene: Texas), and Gosport (Eocene: Alabama) Formations are used to assess changes in taxonomic diversity and ecomorphological group (life habit and trophic group) composition through this time...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1963
AAPG Bulletin (1963) 47 (3): 385-404.
..., the Tallahatta and Lisbon Formations of middle Eocene age, and the Moodys Branch Formation and Ocala Limestone of late Eocene age. The Gosport Sand of late middle Eocene age is absent. Columnar diagrams of measured stratigraphic sections were combined into longitudinal profiles to show detailed lithologic...
FIGURES | View All (8)
Series: GCSSEPM
Published: 01 June 1991
DOI: 10.5724/gcs.90.11.0141
EISBN: 978-0-9836097-2-8
...) and a Gosport Sand phase, the latter of which they placed in the Jackson Group sequence TE3. When mapped in conjunction with upslope deltaic sequences of the Cockfield and Yegua formations to the west, the upper Claiborne Group sequence is a model Type 2 sequence containing transgressive marine shelf...
Journal Article
Journal: GSA Bulletin
Published: 01 November 1982
GSA Bulletin (1982) 93 (11): 1099-1108.
..., separated by a Type 2 unconformity. This regional break lies at the Gosport Sand-Lower Moodys Branch Formation/Upper Moodys Branch Formation contact in the Gulf Coastal Plain and at the base of the Tivola Tonque in Georgia. *Present address: Exxon Company, U.S.A., 925 Common Street, P.O. Box 61812, New...
Series: GSA Memoirs
Published: 01 March 1957
DOI: 10.1130/MEM67V2-p573
... formation and the Gosport sand. ...
Journal Article
Journal: Paleobiology
Published: 01 May 2009
Paleobiology (2009) 35 (2): 190-208.
...Figure 1. Rarefaction curves for the middle Eocene Gosport Formation at Claiborne Bluff (CB), Alabama. The horizontal dashed line indicates the species richness reported from the Gosport at CB in museum collections and the literature ( S = 411). The slightly elevated solid black line indicates...
FIGURES | View All (9)
Journal Article
Journal: PALAIOS
Published: 01 June 2013
PALAIOS (2013) 28 (6): 386-393.
.... As such, it is a potentially valuable archive for paleoclimate and archaeological research. We used isotope sclerochronology to identify the seasonal timing of annual growth line formation in shells from the cold- and warm-temperate zones and at the boundary between these zones. Four shells from the cold-temperate zone...
FIGURES | View All (5)
Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2010
DOI: 10.1144/TMS004.11
EISBN: 9781862396227
... is generally uncertain. The Headon Hill Formation comprises predominantly clays, sandy clays and silts, with subordinate sands and freshwater limestones, with a maximum thickness of about 90 m (Insole & Daley 1985 ). It was deposited mainly in coastal plain and marginal marine environments ( Fig. 3...
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Journal Article
Published: 01 July 2005
Journal of Sedimentary Research (2005) 75 (4): 585-595.
...J.M. Huggett; A.S. Gale; D.S. Wray Abstract Thinly interbedded estuarine sandstones and mudstones in the middle Eocene Wittering Formation (Bracklesham Group), Isle of Wight, contain authigenic clinoptilolite, opal-CT, and possibly authigenic smectite over a thickness of 8.5 m. The clinoptilolite...
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Journal Article
Published: 01 May 2003
Journal of Paleontology (2003) 77 (3): 491-508.
... Counties, Texas. Weches Formation, middle Eocene (Claiborne); Localities 21, 22, 23, 25, 26, 28, 29, 32, 33, 34, 36, 41, 42, 44, 45, 53, 55, 74, 75, 77, 78, 79, 80; Houston, Leon, Nacogdoches, and San Augustine Counties, Texas. Gosport Formation, middle Eocene, Alabama (see Aldrich, 1921 ), Lake City...
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Image
Images of  A)  immature glauconite forming in gastropod shells from the Bas...
Published: 01 November 2016
Fig. 6.— Images of A) immature glauconite forming in gastropod shells from the Bashi Formation (IEPRI 0102) and B) mature glauconite grains from the Gosport Formation at Little Stave Creek (IEPRI 0262). In an immature glauconitic grain, glauconitic smectites fill pores in shell fragments
Image
Table 4.  Summary of the taxonomic richness of the three Paleogene Gulf Coa...
Published: 01 May 2009
Table 4.  Summary of the taxonomic richness of the three Paleogene Gulf Coastal Plain localities exposing the Red Bluff, Moodys Branch, and Gosport Formations respectively. Localities vary in bulk-sampling effort ( N ), bulk-sampled richness ( S Bulk ), sample-standardized rich ness at a sample