Paleosol-derived paleoclimate and paleoenvironment reconstruction of the Rukwa Rift Basin, Tanzania: implications for faunal dispersal in the Miocene–Pliocene

Theresa J. Orr, Eric M. Roberts, Michael I. Bird, Cassy Mtelela, Patrick M. O'Connor, Nancy J. Stevens

Journal of Sedimentary Research (SEPM)

... primarily by the cumulative effects of eccentricity and precession and not simply glacial–interglacial cycles, with increased moisture availability...

Depth Determination and Quantitative Distinction of the Influence of Tectonic Subsidence and Climate on Changing Sea Level During Deposition of Midcontinent Pennsylvanian Cyclothems

George D. Klein

Special Publications of SEPM

... periodicity of eccentricity, obliquity and precession remained unchanged through geological time, specify a duration of time over which this change...

Mechanisms Controlling the Clustering of Fluvial Channels and the Compensational Stacking of Cluster Belts

Michael H. Hofmann, Anton Wroblewski, Ron Boyd

Journal of Sedimentary Research (SEPM)

... to eccentricity forcing. A) Increased accommodation due to sea-level rise. Deposition of coals and floodplain deposits, accompanied by decrease in channel...

Sequence Architecture of the Bighorn Dolomite, Wyoming, USA: Transition to the Late Ordovician Icehouse

Steven M. Holland, Mark E. Patzkowsky

Journal of Sedimentary Research (SEPM)

... precession and tilt to long-period icehouse-climate cycles dominated by orbital eccentricity (Fig. 10). Although the durations of Milankovitch periodicities...

Computer Simulation of the Yates Formation (Permian, Delaware Basin) - Sequence Stratigraphy and Shelf-to-Basin Correlation Implications

James M. Borer, Paul M. Harris

West Texas Geological Society

..., 400- and 100-k.y. (4th- and 5th-order, respectively) duration sea-level cycles (Milankovitch, long and short eccentricity cycles) were predominant...

Long Climatic Time Series from Sediment Physical Property Measurements

Timothy D. Herbert, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... estimates of the orbital functions to 10 Ma. We must therefore study mean characteristics of the eccentricity, obliquity, and precessional series...

Marine Red Staining of a Pennsylvanian Carbonate Slope: Environmental and Oceanographic Significance

Bram Van Der Kooij, Adrian Immenhauser, Thomas Steuber, Mischa Hagmaier, Juan R. Bahamonde, Elias Samankassou, Oscar Merino Tome

Journal of Sedimentary Research (SEPM)

... forcing and in particular the eccentricity frequencies of 100 and 400 kyr. In this context a comparison of the slope red intervals with the classical...

Innovative design and re-completion strategies for CO2 injection wells a case study

T. Ahmad, K. Wuttke, M. Allison, D. Bason, P. Barraclough

Australian Energy Producers Journal

... at 0°, 90°, and 180° angles, unaffected by ground conditions or tool eccentricity. • On the low flux side, simulations showed that up to five 0.5...

Mathematical Climate Models: Insights into the Relationship Between Climate and Economic Sedimentary Deposits

Eric J. Barron

Special Publications of SEPM

...) and areas of Cretaceous economic kaolins (after Tourtelot, 1983). 60 Variations in the earths orbital parameters (obliquity, eccentricity and time...

Tectono-Sedimentary Evolution of the Western Margin of the Colorado Plateau During the Latest Cenomanian and Early Turonian

Jiri Laurin, Bradley B. Sageman

Pacific Section of AAPG

... in RSL. The duration of these cycles ranges from 80 to 100 ka and thus falls within the Milankovitch band for eccentricity. Before pursuing the hypothesis...

Stratigraphy and Paleontology of Santa Maria District, California

W. P. Woodring , M. N. Bramlette , K. E. Lohman

AAPG Bulletin

... by different degrees of eccentricity is reversed in the two districts. In the San Joaquin Valley the very eccentric Dendraster gibbsii is characteristic...

Origin, Varves, and Cycles of Jurassic Todilto Formation, New Mexico

Roger Y. Anderson , Douglas W. Kirkland

AAPG Bulletin

... of the equinoxes and the eccentricity of the of the earth's orbit result in a major climatic cycle about every 21,000 years. The Todilto sequence might have...

Climatic Forcing of Cyclic Carbonate Sedimentation During the Last 5.4 Million Years Along the West Florida Continental Margin

Steven R. Roof , Henry T. Mullins, Steven Gartner, T. C. Huang, Ed Joyce, John Prutzman, Leonard Tjalsma

Journal of Sedimentary Research (SEPM)

... frequency (100K yr) eccentricity signal of the past 800K yr is unique within the 5.4 Ma record of total carbonate and percent coarse. Prior...

Origin of Rhythmical Bedding in Middle Miocene Siliceous Rocks of the Onnagawa Formation, Northern Japan

Ryuji Tada

Journal of Sedimentary Research (SEPM)

..., these values are in relatively good agre ment with orbital eccentricity, obliquity, and precessional cycles, respectively. Bottom water oxygenation levels...

Stratigraphic controls on a salt-withdrawal intraslope minibasin, north-central Green Canyon, Gulf of Mexico: Implications for misinterpreting sea level change

Andrew S. Madof, Nicholas Christie-Blick, Mark H. Anders

AAPG Bulletin

... the late Pleistocene (450 ka), there have been four major eustatic cycles (Figure 15A), with a prominent eccentricity-dominated (100 k.y.) signature...

KNUTSON FIELD AND ITS RELATIONSHIP TO THE MISSION CANYON OIL PLAY, SOUTH-CENTRAL WILLISTON BASIN

ROBERT W. BOGLE, WILLIAM B. HANSEN

Williston Basin Symposium

... the eccentricity of the North Pool with respect to the anticlinal axis. A material balance evaluation performed by Diamond...

Field Trip A7: The Triassic-Jurassic Faunal and Floral Transition in the Fundy Basin, Nova Scotia

Paul Olsen, Jessica Whiteside, Tim Fedak

Atlantic Geoscience Society Special Publications

... water depth); B, Van Houten cycles and the four modulating “eccentricity” cycles (example from the Passaic Formation); C, variation in Van Houten...

Timing of Mid-Cretaceous Relative Sea Level Changes in the Western Interior: Amoco No. 1 Bounds Core

Robert W. Scott, Paul C. Franks, Michael J. Evetts, James A. Bergen, Jeffry A. Stein

Special Publications of SEPM

... that the thinner of the 20-cm-thick couplets represent the precessional 21-ky frequency and the 1-3-m-thick marker bundles are the 100ky eccentricity...

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

... fluctuations in ice volume based on orbital parameters of precision, obliquity, and eccentricity explain much of the larger scale variability in sea...

Application of Simulation of Coupled Hydraulic Fracture Propagation by Implementing Natural Fracture Modeling in Shale Oil Reservoir - A Case Study from Junggar Basin, China

Yanyan Ding, Yu Liang, Tingfeng Zhao, Mingwei Ma, Xingning Huang

Unconventional Resources Technology Conference (URTEC)

..., it is assumed that the fracture in a linear elastic medium is an idealized ellipsoid whose eccentricity tends to zero, i.e., the ellipsoid is exceptionally...

Analysis of Casing Deformation in Different Unconventional Areas with a Comprehensive Approach in the Study

Brian Espindola, Antonio N. Romero, Maria J. Rodríguez, Romina D. Sosa Luna, Mauro I. Weimann, Rosario D. Velo, Rodrigo A. Escobar, Fernando Suarez, Miguel S. Pucho, Nicolas Gonzalez, Andrea V. Ferrara, Rocío L. Roth

Unconventional Resources Technology Conference (URTEC)

..., because the deformation features are much more visible in this mode than in the centralized data, thanks to the tool eccentricity “effect of the caliper...

Sequence Stratigraphic Evolution and Cyclicity of an Ancient Coastal Desert System: The Pennsylvanian–Permian Lower Cutler Beds, Paradox Basin, Utah, U.S.A.

Oliver D. Jordan, Nigel P. Mountney

Journal of Sedimentary Research (SEPM)

... to long-term, eccentricity-driven, Milankovitch-type forcing that operated with a mean periodicity of 413 kyr (Heckel 1980; Driese and Dott 1984; Loope 1985...

Section Four: Overhung Plugs and Salt Overhangs

New Orleans Geological Society

... eccentricity of the diapiric structure probably have stronger influences on localization of hydrocarbons than the overhang. In particular, as a plug...

Determining a Good Hole Cleaning by Judging the Cutting Transport Parameter in 81/2" Horizontal Hole Section Leads to Operational Success During Underbalanced Drilling Operation

Raden Hanggara Tri Poetra, Kitos G. Akbar, Hasnan Rifani, Robani Sadiya

Indonesian Petroleum Association

... the Effects of Rotation and Eccentricity”, October 1990, SPE No. 20925. Poetmann, F.H., “Density of Drilling Mud Reduced by Air Injection, “World Oil, August...

Environmentally Assisted Fatigue Failure of Drill Pipe Connections

Judy Turnbull, Roger G. Metcalfe, Roger Costanzi

Australian Petroleum Production & Exploration Association (APPEA) Journal

... vibration is 'whirl', which is formed by the eccentricity of the rota­ tional drill collar and will introduce bending stresses to the drill string...