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Title: Shoreline depositional environments of Glen Rose Formation (lower Cretaceous) in type area, Somervell and Hood Counties, Texas

Abstract

The studied interval of the Glen Rose Formation (Aptian-Albian) comprises a clastic-to-carbonate sequence, which was deposited in a seaward-fining tidal flat-salt marsh complex. Eight distinct facies were identified, including the calcareous sandstone, calcareous shale, bivalve shale, oyster shale, transitional terrigenous-carbonate, dolomite, bioclastic packstone-grainstone, and shell-fragment wackestone facies. These facies were deposited in sand flats; small fluvial creeks; an ecologically complex, mud-dominated intertidal flat; and a subtidal, nearshore lagoon. Thin bioclastic packstone-grainstones and dolomites of the high energy intertidal and supratidal environments regularly interrupt the terrigenous clastic facies. Abundant nearshore features include salt-tolerant land plants, dinosaur tracks, desiccation cracks, and localized concentrations of evaporites. A warm semi-arid to arid climate is indicated. This sequence is interpreted as being comparable to the Holocene salt marshes on Sapelo Island, Georgia, based on similar lithofacies, sedimentary structures, and biological components.

Authors:
Publication Date:
Research Org.:
Univ. of Texas, Arlington (USA)
OSTI Identifier:
6375638
Report Number(s):
CONF-8810362-
Journal ID: CODEN: AABUD
Resource Type:
Conference
Journal Name:
AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)
Additional Journal Information:
Journal Volume: 72:9; Conference: Gulf Coast Association of the Geological Society and Gulf Coast Section of SEPM meeting, New Orleans, LA, USA, 19 Oct 1988
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; PETROLEUM DEPOSITS; RESERVOIR ROCK; DEPOSITION; TEXAS; DOLOMITE; GEOLOGIC FORMATIONS; GEOLOGIC HISTORY; LIMESTONE; SANDSTONES; SHALES; ALKALINE EARTH METAL COMPOUNDS; CALCIUM CARBONATES; CALCIUM COMPOUNDS; CARBON COMPOUNDS; CARBONATE MINERALS; CARBONATE ROCKS; CARBONATES; FEDERAL REGION VI; GEOLOGIC DEPOSITS; MAGNESIUM CARBONATES; MAGNESIUM COMPOUNDS; MINERAL RESOURCES; MINERALS; NORTH AMERICA; OXYGEN COMPOUNDS; RESOURCES; ROCKS; SEDIMENTARY ROCKS; USA; 020200* - Petroleum- Reserves, Geology, & Exploration

Citation Formats

Bergan, G R. Shoreline depositional environments of Glen Rose Formation (lower Cretaceous) in type area, Somervell and Hood Counties, Texas. United States: N. p., 1988. Web.
Bergan, G R. Shoreline depositional environments of Glen Rose Formation (lower Cretaceous) in type area, Somervell and Hood Counties, Texas. United States.
Bergan, G R. 1988. "Shoreline depositional environments of Glen Rose Formation (lower Cretaceous) in type area, Somervell and Hood Counties, Texas". United States.
@article{osti_6375638,
title = {Shoreline depositional environments of Glen Rose Formation (lower Cretaceous) in type area, Somervell and Hood Counties, Texas},
author = {Bergan, G R},
abstractNote = {The studied interval of the Glen Rose Formation (Aptian-Albian) comprises a clastic-to-carbonate sequence, which was deposited in a seaward-fining tidal flat-salt marsh complex. Eight distinct facies were identified, including the calcareous sandstone, calcareous shale, bivalve shale, oyster shale, transitional terrigenous-carbonate, dolomite, bioclastic packstone-grainstone, and shell-fragment wackestone facies. These facies were deposited in sand flats; small fluvial creeks; an ecologically complex, mud-dominated intertidal flat; and a subtidal, nearshore lagoon. Thin bioclastic packstone-grainstones and dolomites of the high energy intertidal and supratidal environments regularly interrupt the terrigenous clastic facies. Abundant nearshore features include salt-tolerant land plants, dinosaur tracks, desiccation cracks, and localized concentrations of evaporites. A warm semi-arid to arid climate is indicated. This sequence is interpreted as being comparable to the Holocene salt marshes on Sapelo Island, Georgia, based on similar lithofacies, sedimentary structures, and biological components.},
doi = {},
url = {https://www.osti.gov/biblio/6375638}, journal = {AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)},
number = ,
volume = 72:9,
place = {United States},
year = {Thu Sep 01 00:00:00 EDT 1988},
month = {Thu Sep 01 00:00:00 EDT 1988}
}

Conference:
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