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The AAPG/Datapages Combined Publications Database

Showing 32,368 Results. Searched 200,619 documents.

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Discrimination of Local and Global Effects on Upper Mississippian Stratigraphy, Illinois Basin, U.S.A.

Langhorne B. Smith, Jr. , J. Fred Read

Journal of Sedimentary Research (SEPM)

... or autogenic processes. The sequences were likely produced by moderate- to high-amplitude (30-100 m) fourth-order ( 400 ky) glacio-eustatic sea-level changes...

2001

Evidence of precessional and eccentricity orbital cycles in a Tithonian source rock: The mid-outer carbonate ramp of the Vaca Muerta Formation, northern Neuquen Basin, Argentina

Diego A. Kietzmann, Javier Martin-Chivelet, Ricardo M. Palma, Jose Lopez-Gomez, Marina Lescano, Andrea Concheyro

AAPG Bulletin

... represent frequencies between 103 and 127 k.y. These results are consistent with the high-frequency components of the eccentricity cycle, which range...

2011

The Ups and Downs of Eustatic Sea Level Change: Review and Applications

Mike Simmons

GEO ExPro Magazine

... 405,000-year cycle. Orbital forcing cycles in Cenomanian chalk sequences calibrate sea level rises as taking place between 80,000–180,000 years. Thus in both...

2011

Roles of Eustasy and Tectonics in Development of Silurian Stratigraphic Architecture of the Appalachian Foreland Basin

William M. Goodman, Carlton E. Brett

Special Publications of SEPM

...- and fourth-order sea-level cycles (depositional sequences and sub-sequences). Although they are asymmetric, most unconformities are present along...

1996

Correlation Strategies for Clastic Wedges

Timothy A. Cross, Margaret A. Lessenger

Rocky Mountain Association of Geologists

... to decreasing accommodation during base-level fall. These two explanations are not mutually exclusive. In some genetic sequences, the stratigraphic cycles...

1997

Long cores through the Wilcox Group, Gulf of Mexico, show process variability across different time scales

Jinyu Zhang, William Ambrose, Ronald Steel, and Si Chen

AAPG Bulletin

... transgressive–regressive (T-R) cycles, high-frequency sequences, or the topset portion of fourth-order stratigraphic sequences (Cross et al., 1988...

2022

Deep-Water to Shallow-Water Transition in Evaporites in the Delaware Basin, Texas

Susan D. Hovorka

West Texas Geological Society

... Formation, overlain by cycles documenting shallow water and exposure in the Salado Formation. Laminaie rhythmically form high-frequency cycles that document...

2000

Fluvial-derived Turbidites in the Los Molles Formation (Jurassic of the Neuquen Basin): Initiation, Transport, and Deposition

Paulo Sergio Gomes Paim, Ernesto Luiz Correa Lavina, Ubiratan Ferrucio Faccini, Ariane Santos da Silveira, Hector Leanza, Roberto Salvador Francisco d'Avila

AAPG Special Volumes

..., some data indicate a strong connection of the GF1 deposits with high-frequency accommodation cycles and paleophysiography.Therefore, our main goal...

2011

A Seismic Stratigraphic Case History in the Eastern Barrow Subbasin, North West Shelf, Australia: Chapter 11

R. B. Kirk

AAPG Special Volumes

... units. Reflection continuity, amplitude, frequency, and seismically-derived interval velocity should be incorporated in seismic facies interpretations...

1985

Seismic Stratigraphic Study of Two Oxfordian Carbonate Sequences, Eastern Saudi Arabia

George S. Langdon , Steven J. Malecek

AAPG Bulletin

... continuity were mapped empirically as accumulations of very porous, highly reworked grainstones. Areas of moderate or variable amplitude and high...

1987

Tectonic, Climatic, and Biotic Modulation of Lacustrine Ecosystems--Examples from Newark Supergroup of Eastern North America: Chapter 13

Paul E. Olsen

AAPG Special Volumes

... to the lake basin). Relatively high-frequency climatic cycles induce lake-level cycles that follow the 21-, 41-, 100-, and 400-k.y. Milankovitch cycles...

1990

Sequence Stratigraphy and Evolution of a Progradational, Foreland Carbonate Ramp, Lower Mississippian Mission Canyon Formation and Stratigraphic Equivalents, Montana and Idaho: Chapter 13

S. K. Reid, S. L. Dorobek

AAPG Special Volumes

... (fourth-order?) and/or moderate amplitude (20-40 m ?) eustatic cycles (cf. Read et al., 1991). The ability of the Mission Canyon ramp interior...

1993

Computer simulation of coastal-marine sedimentary sequences influenced by glacial-eustatic sea-level fluctuations

W. Lynn Watney, John French, Jan-Chung Wong

Kansas Geological Society

... Pleistocene (<850,000 yrs B.P.) indicates that glacial eustasy is characteristically asymmetric with high-frequency, high-amplitude sea-level fluctuations...

1989

A Multidisciplinary Approach to Global Correlation and Geochronology. The Cretaceous Shallow-Water Carbonates of Southern Apennines, Italy

Bruno D'Argenio, Vittoria Ferreri, Helmut Weissert, Sabrina Amodio, Francesco P. Buonocunto, Lukas Wissler

Special Publications of SEPM

... boundaries are locally marked by greenish to reddish, thin clayey levels; (b) High-frequency hierarchical organization of the elementary cycles into bundles...

2004

Temporal Resolution of Depositional Processes in the Gulf Coast Tertiary

John A. Lopez

Houston Geological Society Bulletin

... of seismic scale sequences will reach the high-frequency autocyclic portion of the spectrum and lose any regional or global significance. Additionally, any...

1991

Deepening-Upward Subtidal Cycles, Murray Basin, South Australia

Jeff J. Lukasik, Noel P. James

Journal of Sedimentary Research (SEPM)

.... Murray Basin cycles preserve a record of relative sea-level rise whereas open shelf cycles accumulated mostly during relative sea-level fall. ALLMON...

2003

Large-Scale Sequence Stratigraphy of the Phanerozoic of the San Juan Mountain Region, Colorado

Donald E. Owen

AAPG Special Volumes

... by reworked sediment within the Molas Formation. The thick Hermosa Group is a high-frequency cyclic succession that contains many sequences. Several...

1991

CYCLIC SEDIMENTATION AND DOLOMITIZATION HISTORY OF THE DEVONIAN JEFFERSON FORMATION, SOUTHWESTERN MONTANA

S.L. Dorobek, T.M. Smith

Montana Geological Society

.... Cycles in the Jefferson Formation may be important analogues for other cyclic carbonate sequences which form during early stages of plate...

1989

Post-Ellesmerian Depositional Sequences of Central North Slope Subsurface: ABSTRACT

William G. Noonan

AAPG Bulletin

... separate them into depositional cycles of 15 to 40-m.y. duration, and sequences of similar cycles correspond to the major episodes of Arctic tectonism...

1985

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