Regional upper Albian-lower Cenomanian sequence boundaries, Texas Comanche shelf: Is timing related to oceanic tectonics?
Scott, R. W.1; Campbell, W.2; Diehl, B.3; Edwards, W.4; Altintas, D. Gargili5; Harlton, K.6; Hojnacki, R.7; Lai, X.8; Porter, A.3; Rush, N.9; Tan, X.3; Wang, Y.10
Corresponding AuthorScott, R. W.
Year Published2019
Abstract in EnglishThe Albian-lower Cenomanian Comanchean Series on the Comanche Shelf, Texas and northern Mexico is a laboratory to calibrate the numerical ages of mixed carbonate-siliciclastic cycles. The stratigraphic contacts of the long-term cycles formed during subaerial exposure followed by marine drowning. Correlation of these cycle contacts in different basins tests their synchroneity and the hypothesis of eustasy. Petrographic and geochemical evidence of Early Cretaceous meteoric diagenesis differs across the shelf because the Comanche Shelf spanned the subtropical arid belt and the mid-latitude warm humid zone. The contact between the Fredericksburg and Washita groups is Al SB Wa1, which is a composite subaerial unconformity and transgressive drowning surface that is traced from southeastern Oklahoma to El Paso and down-dip to the shelf margin. Chronostratigraphy of the Comanchean Series Fredericksburg and Washita groups is constrained by multiple biostratigraphic data of ammonites, caprinid rudists, and foraminifers. The lower upper Albian Al SB Wa1 is dated by the Dipoloceras cristatum Zone below and the Mortoniceras pricei Zone above. Caprinid zones in carbonate fades are integrated with ammonites and foraminifers to provide a complementary correlation criterion. This contact is coeval with a condensed interval in Europe and flooding sequences in western Asia and northern Africa. Depleted carbon isotope ratios indicate subaerial exposure below sequence boundaries at base of Washita Group, at base of the lower Cenomanian Del Rio Formation and base of the Cenomanian Woodbine-Eagle Ford groups. These contacts are coeval with sequences in Europe, Africa, Asia, and South America. Late Albian-early Cenomanian sea-level changes provide a chronologic scale for significant oceanic plate reorganization dated at about 100 Ma. (C) 2019 Elsevier Ltd. All rights reserved.
Keyword in EnglishEarly Cretaceous Albian sequence stratigraphy Albian biostratigraphy Albian correlations Comanche Shelf
CountryUSA ; Turkey ; Peoples R China
Indexed BySCI-E
WOS IDWOS:000469306200021
WOS SubjectGeology ; Paleontology
WOS Research AreaGeology ; Paleontology
Document Type期刊论文
Affiliation1.Precis Stratig Associates, 149 West Ridge Rd, Cleveland, OK 79020 USA;
2.Laredo Petr Inc, 15 West 6th St,Suite 1700, Tulsa, OK 74119 USA;
3.Univ Tulsa, Geosci Dept, 800 S Tucker Dr, Tulsa, OK 74104 USA;
4.JMA Energy Co, 1021 NW Grand Blvd, Oklahoma City, OK 73118 USA;
5.Turkish Petr Corp, 2180 Cad,10, Ankara, Turkey;
6.Mongoose Energy Co LLC, One West 3rd St, Tulsa, OK 74103 USA;
7.Brown & Caldwell, 2 Pk Way,Suite 2A, Upper Saddle River, NJ 07458 USA;
8.Res Inst Petr Explorat & Dev, Langfang 065007, Hebei, Peoples R China;
9.Rebell Energy, 5416 S Yale Ave,Suite 300, Tulsa, OK 74135 USA;
10.Oklahoma State Univ, Sch Geol, Stillwater, OK 74078 USA
Recommended Citation
GB/T 7714
Scott, R. W.,Campbell, W.,Diehl, B.,et al. Regional upper Albian-lower Cenomanian sequence boundaries, Texas Comanche shelf: Is timing related to oceanic tectonics?[J],2019,98:335-362.
APA Scott, R. W..,Campbell, W..,Diehl, B..,Edwards, W..,Altintas, D. Gargili.,...&Wang, Y..(2019).Regional upper Albian-lower Cenomanian sequence boundaries, Texas Comanche shelf: Is timing related to oceanic tectonics?.CRETACEOUS RESEARCH,98,335-362.
MLA Scott, R. W.,et al."Regional upper Albian-lower Cenomanian sequence boundaries, Texas Comanche shelf: Is timing related to oceanic tectonics?".CRETACEOUS RESEARCH 98(2019):335-362.
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