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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,630 documents.
Depositional Cycles in Two Turbidite Formations of Northern Apennines (Italy)
Franco Ricci-Lucchi
Journal of Sedimentary Research (SEPM)
... continuous up to 175 km). The trend of cycles may be asymmetric (termed positive when beds thin upward, negative when they thicken upward), symmetric...
1975
Predicting Tidal Sand Reservoir Architecture Using Data from Modern and Ancient Depositional Systems
Lesli J. Wood
AAPG Special Volumes
..., with linear forms distributed radially around the current or sediment source. Banks that develop in estuaries are thin, narrow, and symmetric, with parabolic...
2004
Gravity-driven Fold Belts on Passive Margins
Mark G. Rowan, Frank J. Peel, Bruno C. Vendeville
AAPG Special Volumes
... of Mexico, with symmetric detachment folds. The apparent shorter wavelength of more landward folds is due to tightening and, in some case, faulting...
2004
Miocene Shale Tectonics in the Northern Alboran Sea (Western Mediterranean)
Juan I. Soto, Fermin Fernandez-Ibanez, Asrar R. Talukder, Pedro Martinez-Garcia
AAPG Special Volumes
... profiles showing symmetric crestal faults above a shale diapir. Figures 2 and 7 show the line location. Seismic data are courtesy of ConocoPhillips. V:H...
2010
Sedimentation and Origin of a Late Precambrian 'Dolomite' from Scotland
Ian J. Fairchild
Journal of Sedimentary Research (SEPM)
...-laminae being unidirectional or wavy (symmetric or asymmetric) and often resting on parallel-laminated sand in the thicker layers. Preserved ripple...
1980
Depositional Framework of Sandy Mid-Fan Complexes of Tourelle Formation, Ordovician, Quebec
Richard N. Hiscott
AAPG Bulletin
.... The remaining cycles have a complex or symmetric form. Asymmetric cycles are far less common in submarine fan sequences of the Tourelle Formation than implied...
1980
Hierarchical kink band development in the Appalachian Plateau decollement sheet
Paul Gillespie, Judith van Hagen, Scott Wessels, and Damian Lynch
AAPG Bulletin
... band.A possible explanation for the geometry of the first-order structures is that the structures first formed as symmetric anticlines, but later...
2015
Interplay of downbuilding and gliding in salt-bearing rifted margins: Insights from analogue modeling and natural case studies
Pablo Granado, Pablo Santolaria, and Josep Anton Muñoz
AAPG Bulletin
... sequence Sq2, whereas synkinematic sequence Sq3 shouldered the extruding salt (Figure 4A). The two minibasins are symmetric and display a bowl...
2023
A Bayesian Framework for Addressing the Uncertainty in Production Forecasts of Tight Oil Reservoirs Using a Physics-Based Two-Phase Flow Model
Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh
Unconventional Resources Technology Conference (URTEC)
...), and (b) the distributions are symmetric around the mean. The dispersion (variance) of each distribution depends on the scatter of the observed produc...
2020
STRUCTURAL GEOLOGY OF THE KELLEY MOUNTAIN CULMINATION, CENTRAL ALABAMA. REVISED EDITION.
S. Gregg Erickson
Alabama Geological Society
... movement on the Pell City and Talladega-Cartersville faults. Near Harpersville (Figure 23), these folds are upright, symmetric, and subisoclinal...
1985
Developing a Consistent Sequence Stratigraphy for the Wilkes Land and Great Australian Bight Margins
Hannah Lane, R. Dietmar Müller, Jennifer M. Totterdell, Joanne M. Whittaker
Petroleum Exploration Society of Australia (PESA)
... by the breakup of Australia and Antarctica. Along this margin, with a shelf width ranging from 100–200 km, there is a relatively consistent, symmetric...
2012
A Tectonic Chart for the Southern Ocean Derived from Geosat Altimetry Data: Chapter 7
Jeans-Yves Royer , Lisa Gahagan, Lawrence A. Lawver, Cathy L. Mayes , Dirk Nurnberg , David T. Sandwell , Christopher R. Scotese
AAPG Special Volumes
... Cretaceous and shows symmetric Mesozoic magnetic anomalies (M4 to M0; 124 to 118 Ma) in the Argentina and Cape Basins, and in the Georgia Basin and the Natal...
1990
Rapid Growth and Recrystallization of Cave Pearls in an Underground Limestone Mine
Leslie A. Melim, Michael N. Spilde
Journal of Sedimentary Research (SEPM)
... laminations. The pearls from pool 06-02 display mostly symmetric growth with laminated micrite–microspar surrounding the entire pearl and only minor dendrites...
2011
Pliocene Shallow-Water Sediment Gravity Flows at Moss Beach, San Mateo County, California
Thomas J. Wiley, Ellen J. Moore
Pacific Section SEPM
... and cobble conglomerate. Asymmetric and symmetric megaripples are preserved on the tops of several of the granule-conglomerate beds. One set of asymmetric...
1983
HALYSIS HØEG, 1932 IN ORDOVICIAN CARBONATE MOUNDS, TARIM BASIN, NW CHINA
YUEFENG SHEN, FRITZ NEUWEILER
PALAIOS
... are most abundant and the distribution is skewed toward low (,10) tube numbers. FIG. 6.—Branching of tubes in Halysis. A, B) Branching is lateral-symmetric...
2015
Petroleum Systems and Structural Styles in the Santiago Fold and Thrust Belt: A Salt Related Orogenic Belt
Antenor M. Alemán, Robert Marksteiner
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... by narrow upright anticlines. Double vergence of thrust enhanced development of symmetric anticlines. Salt piercement was developed along former salt...
1997
Friction- and Inertia-Dominated Effluents In A Lacustrine, River-Dominated Deltaic Succession (Pliocene Upper Valdarno Basin, Italy)
Francesco Fidolini, Massimiliano Ghinassi
Journal of Sedimentary Research (SEPM)
...) symmetric ripple forms commonly highlighted by millimeter mud layers (Facies W1; Fig. 7C, D) are capped by centimeter-thick massive mud (Facies M1...
2016
Franciscan Complex Geology of the Crescent City Area, Northern California
K. R. Aalto, J. M. Murphy
Pacific Section SEPM
... accounts for axially symmetric bedding parallel extension observed in Franciscan melanges and turbidites in the central California Coast Ranges...
1984
Bivalves on the move: the interplay of extrinsic and intrinsic factors on the morphology of the trace fossil Protovirgularia
MarÃa I. López Cabrera, M. Gabriela Mángano, Luis A. Buatois, Eduardo B. Olivero, Christopher G. Maples
PALAIOS
... S include dominantly asymmetric to symmetric ripples, interference ripples, wrinkle marks, and flaser-, wavy-, and lenticular bedding (Hakes 1985...
2019
Application of Raman spectroscopy in comparison between cryptic microbialites of Recent marine caves and Triassic patch reefs
Adriano Guido, Stephen Kershaw, Franco Russo, Domenico Miriello, Adelaide Mastandrea
PALAIOS
... cmÀ1. The main calcite peaks correspond to the symmetric stretching (m1) of the CO3 group at 1092 cmÀ1, asymmetric stretching (m3) at 1437 cmÀ1...
2019
Petrography and Lithology of the Lake Bonneville Sand and Gravel Deposits, Davis County, Utah
Richard S. Kopp
Utah Geological Association
... to −0.10 Symmetric to near symmetric −0.10 to −0.30 Skewed toward the coarse −0.30 to −1.00 Strongly skewed toward the coarse Kurtosis...
1987
Middle Shelf Environment: Chapter 7: PART 1
James L. Wilson, Clif Jordan
AAPG Special Volumes
...) Symmetrical ripples have symmetric profiles and parallel, linear crests. The pattern is like a sheet of corrugated metal. Oscillation ripples are symmetric...
1983
Aquaria-Based Observations of the Ophiuroid Ophiolepis Superba and the Trackways it Produces
Riley C. Morton, Reed A. Myers, Murray K. Gingras, John-Paul Zonneveld
PALAIOS
... subjective synonyms) associated with ophiuroids have been described (Table 1). Ophiuroids orient themselves so they are bilaterally symmetric relative...
2023
The Impact of Pore Size and Kerogen Maturity on the Behavior of Water in Organic Kerogen Nanopores in Shales
Yinan Hu, Deepak Devegowda, Richard F. Sigal
Unconventional Resources Technology Conference (URTEC)
...s in contrast to the more symmetric profiles of the graphene slit pore. This is simply a consequence of the irregular, non-planar structure of the por...
2015
Depth distribution of benthic foraminifera in the middle and deeper sublittoral to uppermost bathyal zones northwest of Okinawa, Japan
Wan Nurzalia Wan Saelan, Johann Hohenegger
Geological Society of Malaysia (GSM)
... composed of very fine sand. Sediments sampled in the southeast of Izena Island (Figure 3) were all poorly sorted. At less than 100m depth, symmetric...
2018