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The AAPG/Datapages Combined Publications Database

Showing 594 Results. Searched 200,756 documents.

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High Resolution Sequence Strategic Analysis of the Upper Carboniferous (Virgilian, Wabaunsee Group) of the North American Midcontinent

Matthew Wade Boyd

Oklahoma City Geological Society

... components of orbital forcing: variations in eccentricity, changes in the obliquity of the elliptic, and procession of the equinoxes (Miall, 1997...

2000

Scaling the Response of Deltas To Relative-Sea-Level Cycles By Autogenic Space and Time Scales: A Laboratory Study

Lizhu Yu, Qi Li,, Kyle M. Straub

Journal of Sedimentary Research (SEPM)

...h-scale RSL cycles in the middle Pleistocene to the present when eccentricity cycles (∼ 100 ky) resulted in RSL changes of ∼ 100 m and late Miocene cond...

2017

Cllmatic Zones Throughout the Ages

George W. Bain

Special Publications of SEPM

... measurements and from magnetic equators of the past sug gests that the dipole eccentricity varies irregularly with time Alternatively mag netic pole...

1963

A New Model for the Depth-Related Allogenic Community Succession within North American Pennsylvanian Cyclothems and Implications on the Black Shale Problem

Darwin R. Boardman II, R. H. Mapes, T. E. Yancey, J. M. Malinky

Tulsa Geological Society

...). The 411,000-year cyclicity corresponds closely to the larger orbital eccentricity cycle of 400,000 years. Eccentricity cycles have been considered...

1984

Dolomite mineralogy as a proxy record for lake level fluctuations: a case study from the Eocene Uteland Butte Member of the Green River Formation, Uinta Basin, Utah, U.S.A.

Cameron J. Manche, Stephen E. Kaczmarek

Journal of Sedimentary Research (SEPM)

..., M.E., Carroll, A.R., Scott, J.J., and Singer, B.S., 2014, Early Eocene carbon isotope excursions and landscape destabilization at eccentricity minima...

2023

The Impact of Glacioclimatic Change on Pennsylvanian Cyclostratigraphy

Gerilyn S. Soreghan

CSPG Special Publications

... below. Milankovitch Climate Change in an Icehouse World: A Pennsylvanian-Quaternary Analogy Predictable perturbations in the eccentricity, obliquity...

1994

Characterization, architecture and controls of Cold Lake marginal-marine oil sands: the Grand Rapids Formation (Upper Mannville) of east-central Alberta, Canada

Hugo Pouderoux, Adam B. Coderre, Per K. Pedersen, David J. Cronkwright

CSPG Bulletin

... cycles driven by eccentricity variations (400 kyr, <10 m; Miller et al., 2005), as previously suggested by Cant (1996). Climate reconstructions placed east...

2016

Stratigraphic Sedimentology of Tertiary Cool-Water Limestones, SE Australia

Thomas D. Boreen, Noel P. James

Journal of Sedimentary Research (SEPM)

...,), obliquity cycles 2-10 m thick ( 40 ky), or eccentricity cycles 5- 5 m thick ( 100 ky) with full preservation (Fig. 18). The observed Tertiary grainstone...

1995

Application of High-Resolution Sequence Stratigraphy to the Upper Rotliegend in the Netherlands Offshore: Chapterr 11: Recent Applications of Siliciclastic Sequence Stratigraphy

Chang-Shu Yang, Swie-Djin Nio

AAPG Special Volumes

... (eccentricity of Earth's orbit), 54 and 41 k.y. (obliquity of Earth's rotation axis), and 23 and 19 k.y. (precession of the equinoxes) (Berger et al., 1989...

1993

Cycle Symmetry and its Causes, Cisco Group (Virgilian and Wolfcampian), Texas

Wan Yang

Journal of Sedimentary Research (SEPM)

...). In addition, cycle stacking patterns and spectral analysis of 30 Cisco sequences indicate presence of Milankovitch eccentricity, obliquity...

1996

Development and Evaluation of Multiphase Closure Models used in the Simulation of Unconventional Wellbore Dynamics

Travis Mitchell, Bryce Hill, Mahshid Firouzi, Christopher Leonardi

Unconventional Resources Technology Conference (URTEC)

... inclination angle, fluid flow and annular eccentricity will allow the progression to a robust model applicable in the field. Figure 10—The dimensionless...

2019

Chapter 13: Development Geology in Eolian Reservoirs

L. F. Krystinik

Rocky Mountain Section (SEPM)

... borehole eccentricity, strain release analyses of core, or regional stress-field analyses. Obvious caution should be used in preventing a hydraulic...

1990

Cyclic Stratigraphy of the Upper Member of the Guilmette Formation (Uppermost Givetian, Frasnian), West-Central Utah

B. R. Larsen, M. A. Chan, S. R. Bereskin

Dallas Geological Society

... for sections A, B, C, and E. These values are close to the 100,000 yr Milankovitch cycle in orbital eccentricity and would argue for allocyclic control...

1988

Geology of the Shawnee Group (Virgilian Stage, Upper Pennsylvanian) in Eastern Kansas and Its Relation to the Cyclothem Theory

Daniel F. Merriam

Kansas Geological Society

... with the Earth's eccentricity cycle. Minor cycles may correspond to the 40,000 to 120,000 year climatic cycle. These values are within the time range...

1986

THE GEOLOGY, MINING METHODS, AND PROCESSING OF SELECTED INDUSTRIAL MINERALS IN NORTHEASTERN ALABAMA. Road Log.

Robert Fousek

Alabama Geological Society

...) eccentricity bands. One possibility is that the relatively thin coarsening-upward cycles at the Alabama Wholesale Stone Company are the products of minor « 10...

2002

Characterization of near-surface fractures for hydrogeological studies using azimuthal resistivity survey: A case history from the Mamu Formation, Enugu (Nigeria)

Ahamefula U. Utom, Benard I. Odoh, Daniel K. Amogu, Amobi C. Ekwe, Boniface C. E. Egboka

Environmental Geosciences (DEG)

... azimuthal resistivity sounding and geologic field mapping of surface outcrops. The coefficient of anisotropy, , which characterizes the eccentricity...

2013

Holocene Sea-Level Changes in the Malay-Thai Peninsula, a Tectonically Stable Environment

H. D. Tjia

Geological Society of Malaysia (GSM)

... changes in the Earth's planetary motions. Three known cyclic changes comprise the obliquity of the ecliptic (period of 40,000 years), eccentricity...

1992

Low-Resistivity, Low-Contrast Productive Sands

Robert M. BOB Sneider, John T. Kulha

New Orleans Geological Society

... Limitation of tools Borehole enviornment: invasion, rugosity, eccentricity, mud properties, dip angle, deviation, low resistivity Depth control and survey...

1993

Cretaceous Carbonate Platforms: An Overview: Chapter 1

J. A. Toni Simo, Robert W. Scott, Jean-Pierre Masse

AAPG Special Volumes

...), consistent with earlier estimates of dominant precession and eccentricity periods (de Boer and Winders, 1984). General climate models also suggest...

1993

Carbonate Reservoirs Formed by High Amplitude 4th/5th Order Glacio-Eustasy

J.F. Read

Special Publications of SEPM

... dominated by eccentricity (100 to 400 k.y.) rhythms or obliquity rhythms Platform tops sloping, reaching a meter/km on ramps deglaciation a few k.y....

1995

Integration of Core Data with Well Logs for Geomechanical Property Determination and Monitoring in the Argentinean Vaca Muerta Shale Formation

Maxwell Willis, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

...., and Concheyro, A. 2011. Evidence of Precessional and Eccentricity Orbital Cycles in a Tithonian Source Rock: The Mid-Outer Carbonate Ramp...

2014

Cyclic Stratigraphy of the Upper Member of the Guilmette Formation (Uppermost Givetian, Frasnian), West-Central Utah

B. R. Larsen, M. A. Chan, S. R. Bereskin

CSPG Special Publications

... for sections A, B, C, and E. These values are close to the 100,000 yr Milankovitch cycle in orbital eccentricity and would argue for allocyclic control...

1988

Rifting and Mountain Building Across Sundaland, a Palynological and Sequence Biostratigraphic Perspective

Robert J Morley

Indonesian Petroleum Association

... recognised sequences. For the Miocene and Pliocene many sequence biostratigraphic packages have a resolution of about 400 ka, an eccentricity-driven cyclicity...

2014

Pennsylvanian Glacioeustasy Recorded in a Carbonate Ramp Succession, Ancestral Rocky Mountains, New Mexico

Thomas L. Wiberg, Gary A. Smith

CSPG Special Publications

... periodic orbital variations controlling solar insolation, of which the 400,000 yr eccentricity cycle was dominant in the Pennsylvanian (Algeo...

1994

Paleotectonic Restoration and Simulation Modeling Applicable to the Louisiana Offshore

Greg Whittle , Christopher G. St. C. Kendall , Michael A. Fogerty , Allen Lowrie

GCAGS Transactions

...). There are three periodicities of approximately 100,000, 40,000, and 20,000 year durations that correspond to the orbital motions of eccentricity...

1992

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