Eustatic Controls on the Stratigraphy and Geometry of the Latemar Buildup (Middle Triassic), The Dolomites of Northern Italy

Robert K. Goldhammer, Mark T. Harris

Special Publications of SEPM

... orders of eustatic sea-level fluctuations. These are: third-order cycles (110 m. y . duration), fourth-order cycles ( 100 ka duration) , and fifth-order...

Quantitative Characterization of Architecture Elements and Their Response To Base-Level Change In A Sandy Braided Fluvial System At A Mountain Front

Shunli Li, Xinghe Yu, Bintao Chen, Shengli Li

Journal of Sedimentary Research (SEPM)

... surfaces or cross-stratified sets bounded by fourth-order surfaces. The mean grain size commonly decreases towards the top of a unit bar. Unit bars range...

Reconstructing Fluvial Macroform Architecture from Two-Dimensional Outcrops: Examples from the Castlegate Sandstone, Book Cliffs, Utah

Andrew D. Miall

Journal of Sedimentary Research (SEPM)

... fourth-order stratigraphic sequence. Earlier studies showed that the Castlegate Sandstone was deposited by braided rivers that deepened downstream from...

Rates, Controls, and Sand-Body Geometries of Transgressive-Regressive Cycles: Cretaceous Moosebar and Gates Formations, British Columbia

Dale Leckie

AAPG Bulletin

... is a series of fourth-order cycles superimposed on a major third-order cycle. The cyclicity and lateral extent of the sequences can be explained as a result...

Paleoclimatic control on porosity occurrence in the Tilston interval, Madison Group, Williston basin area

David M. Petty

AAPG Bulletin

... the cyclic section into three third- to fourth-order sequences (Elrick and Read, 1991) or two third-order sequences (Sonnenfeld, 1996). Haines (1999, p. 49...

New Page 1

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Cross-Basin Variations in Magnetic Susceptibility Influenced by Changing Sea Level, Paleogeography, and Paleoclimate: Upper Devonian, Western Canada Sedimentary Basin

Michael T. Whalen, James E. Jed Day

Journal of Sedimentary Research (SEPM)

... in depositional setting (i.e., item 2); (4) MS is generally high during third- and fourth-order sea-level lowstand and early transgression and lower during...

Sequence Stratigraphy of the Middle Miocene…Pliocene Southern Offshore Sandakan Basin, East Sabah

Robert H. F. Wong

Geological Society of Malaysia (GSM)

... boundaries. Each unit consists ofthird to fourth-order sequences which can be correlated from landward coastal plain facies to basinward bathyal facies...

Evidence for Sea-Level Fluctuation and Stratigraphic Sequences in the Council Grove Group (Lower Permian), Hugoton Embayment, Southern Mid-Continent

J. Puckette, D. R. Boardman II, Z. Al-Shaieb

Tulsa Geological Society

... that generated these rapid oscillatory sea-level fluctuations. These fourth-order eustatic cycles (Youle et al., 1994) forced relatively rapid regressions...

EXTENDED ABSTRACT: Petrography and Reservoir Quality of Onshore Miocene Sandstones in the Burgos Basin, Mexico

Dutton, Shirley P., Hentz, Tucker F., Cuevas, Antonio, and Hern?ndez Mendoza, J. Javier

GCAGS Transactions

.... Most of the samples are from fourth-order highstand systems tracts within third-order transgressive systems tracts. A few samples are from...

The "Carbonate Factory" Revisited: A Reexamination of Sediment Production Functions Used to Model Deposition on Carbonate Platforms

Robert V. Demicco, Lawrence A. Hardie

Journal of Sedimentary Research (SEPM)

... of Broecker and Takahashi (1966) on the basis of the following fourth order polynomial expression: CL = -0.000000196 Tr4 + 0.000019086 Tr3 - 0.006279 Tr2...

Accommodation and Sedimentary Architecture of Isolated Icehouse Carbonate Platforms: Insights from Forward Modeling with CARB3D+

Richard J. Paterson, Fiona F. Whitaker, Gareth D. Jones, Peter L. Smart, David Waltham, Graham Felce

Journal of Sedimentary Research (SEPM)

... investigated. Fourth-order Milankovich-driven sea-level cycles dominate icehouse carbonate sedimentology, with 400 ky cycles modulating the effect of 100...

Pre-Alleghenian (Pennsylvanian-Permian) Hydrocarbon Emplacement Along Ordovician Knox Unconformity, Eastern Tennessee

Frederick M. Haynes , Stephen E. Kesler

AAPG Bulletin

... in the New Market area, the Kingsport-Mascot (KM) drill intercepts were fit to a fourth-order trend surface (Figure 4). Lower order surfaces yielded...

Greenhouse shoreline migration: Wilcox deltas

Jinyu Zhang, Ronald Steel, and William Ambrose

AAPG Bulletin

... as the presence of large-scale erosion. We refer to the stratigraphy of these as fourth-order stratigraphic sequences, but their real importance...

Reservoir-Scale Stratigraphy, Sedimentology, and Porosity Characteristics of Mississippian Reservoirs, Northeastern Anadarko Shelf, Oklahoma; #51250 (2016)

Colton Birch, Matthew Pranter

Search and Discovery.com

... constrained to well-log data from the show five fourth-order cycles that thicken as they prograde to the south down the carbonate ramp. Porosity, resistivity...

Reservoir Geology of the Perseus Field, North West Shelf, Australia

N. B. Thompson, M. L. Taylor, N. C. Taylor

Petroleum Exploration Society of Australia (PESA)

... tracts (Figs 5 & 6). The stratigraphic detail provided by the extensive core coverage necessitated a higher-order correlation within this framework. Fourth...

Depositional Cycles in a Lower Cretaceous Limestone Reservoir, Onshore Abu Dhabi, U.A.E.

Stephen N. Ehrenberg, Stephen W. Lokier, Liu Yaxin,, Rulin Chen,†

Journal of Sedimentary Research (SEPM)

.... Reservoir sub-zones used for production operations, but previously suggested to be fourth-order parasequence sets, are defined by dips in porosity-log...

An Integrated Study of the Grayburg/San Andres Reservoir, Foster and South Cowden Fields, Ector County, Texas

W. Hoxie Smith, James J. Reeves, Robert C. Trentham, David A. Rowland

West Texas Geological Society

... survey that will resolve fourth-order sequences (60-130 ft thick) in the Grayburg/San Andres reservoir. Identify modeling techniques that can...

Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico

Jan Stafleu , Mark D. Sonnenfeld

Journal of Sedimentary Research (SEPM)

.... The outcrops in Last Chance Canyon are composed of two fourth-order depositional sequences: an aggrading carbonate bank (upper San Andres 3; uSA3...

Chapter 64: Architecture of Base-of-slope Fans, Mount Messenger Formation, Pukearuhe Beach, New Zealand

G. H. Browne, P. R. King, M. J. Arnot, R. M. Slatt

AAPG Special Volumes

... separating two fourth-order sedimentary cycles. A series of fining-upward fifth-order cycles, each several meters to tens (>8–100 ft) of meters thick...

Chapter 83: Deep-water Basin-floor and Slope Deposits of the Laingsburg Depocenter, Karoo Basin, South Africa

Stephen Flint, David Hodgson, Peter Sixsmith, Martin Grecula, H. de Ville Wickens

AAPG Special Volumes

... Formation Interpreted as a fourth-order LST Fine-grained, thick-bedded, amalgamated, sandstone-filled, slope-channel complexes, adjacent to sand-rich...

Chapter 131: Stratigraphic Architecture, Seismic and Dynamic Signature of a Sand-rich Turbidite Ramp: Cime Dieu de Delfy, Grès d’Annot Formation, France

P. Joseph, F. Guillocheau, N. Babonneau, J. Seguin, A. Bourgeois

AAPG Special Volumes

... are repetitively organized in coarsening-upward, then fining-upward, fourth-order depositional sequences, approximately 50 m (164 ft) thick...

Hyperpycnal flow variability and slope organization on an Eocene shelf margin, Central Basin, Spitsbergen

Andrew L. Petter, Ronald J. Steel

AAPG Bulletin

... sequences are referred to as clinoforms despite containing multiple clinoform strata. The bounding shale layers are inferred to be fourth-order maximum...

Sequence-stratigraphic controls on complex reservoir architecture of highstand fluvial-dominated deltaic and lowstand valley-fill deposits in the Upper Cretaceous (Cenomanian) Woodbine Group, East Texas field: Regional and local perspectives

William A. Ambrose, Tucker F. Hentz, Florence Bonnaffe, Robert G. Loucks, L. Frank Brown Jr., Fred P. Wang, Eric C. Potter

AAPG Bulletin

... succession in the East Texas Basin indicates that these highstand and lowstand deposits occur in the basal three fourth-order sequences of the unit, which...

Abstract: Stratal Stacking Patterns in Underfilled Basins; #90224 (2015)

Octavian Catuneanu

Search and Discovery.com

... (e.g., fourth-order vs. third-order 'maximum flooding surface', etc.). The same principle applies to the nomenclature of sequences and systems tracts...