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The AAPG/Datapages Combined Publications Database
Showing 44,998 Results. Searched 200,636 documents.
Experiments on Longshore Transport and Sorting of Pebbles: Chesil Beach, England
A. P. Carr
Journal of Sedimentary Research (SEPM)
... affected in the vertical plane by phase difference. Longshore sorting is most likely achieved by a vector imparted by the direction of wave approach...
1971
The Rocks Sandstone, an Eocene Sand-rich Deep-sea Fan Deposit Northern Santa Lucia Range, California
Martin H. Link, Tor H. Nilsen
Journal of Sedimentary Research (SEPM)
... that the Vaqueros Formation was a mappable unit ranging in age from early Eocene to early Miocene. Dickinson (1956, 1959, 1965) recognized the same stratigraphic...
1980
Crystal Growth Diagrams as an Aid to Interpreting the Fabrics of Calcite Aggregates
J.A.D. Dickson
Journal of Sedimentary Research (SEPM)
... during continuous growth. The acute to obtuse change examined results in the crystal's greatest growth vector(s) being reorientated, which in turn causes...
1993
Abstract: Optimization of SAGD Process Accounting for Geological Uncertainties Using proxy Models; #90187(2014)
Eugene Fedutenko, Chaodong Yang, Colin Card, and Long Nghiem
Search and Discovery.com
... the Euclidean metrics for the vectors x and z . Eq. (14) defines the variogram as a scalar function of a lag vector argument z . In general case...
2014
Mather and Hockingport Sandstone Lentils (Pennsylvanian and Permian) of Dunkard Basin, Pennsylvania, West Virginia, and Ohio
Wayne D. Martin , Bernard R. Henniger
AAPG Bulletin
... blankets an area of 880 sq mi (2,279 sq km). The longer axis is oriented N20°E and the vector mean of dip directions of cross-stratification is oriented N5...
1969
Cenozoic Fluvial-Facies Architecture and Aquifer Heterogeneity, Oroville, California, Superfund Site and Vicinity
Terence C. Blair, Fred G. Baker, Joseph B. Turner
Special Publications of SEPM
... thopaionnniiey.fiti boundaoioa. Looni changea tin the hydtaufic-gradieot vector are ceuaod by changea in Bo potereabili of the aquifer tnatarinl or in the thicknranof...
1992
Use of Quartz Microtextural Analysis To Assess Possible Proglacial Deposition For the Pennsylvanian–Permian Cutler Formation (Colorado, U.S.A.)
Leslie J. Keiser, Gerilyn S. Soreghan, Michal Kowalewski
Journal of Sedimentary Research (SEPM)
... (ternary diagram), and quantitative (nMDS) techniques were used to assess the hypothesis that this unit may reflect, in part, proglacial deposition...
2015
GlossaryStrike-Slip Deformation, Basin Formation, and Sedimentation
Kevin T. Biddle, Nicholas Christie-Blick
Special Publications of SEPM
... and usage of the word 9 Bates and Jackson 1980 p 55 p A curve of subsidence plot rock see time versus for Oen Fischer 1974 Bubnoff unit...
1985
Petrology of the Carbonate Members of the Swope and Dennis Formations (Pennsylvanian), Missouri and Iowa
Charles E. Payton
Journal of Sedimentary Research (SEPM)
... undifferentiated category. Echinoderms.--Echinoderm fragments were recognized by their clouded appearance, general shape, and unit extinction. Crinoid stems...
1966
A Comparison of Clast Fabric and Shape in Late Precambrian and Modern Glacigenic Sediments
Julian A. Dowdeswell, Michael J. Hambrey, Ruitang Wu
Journal of Sedimentary Research (SEPM)
... of each measured axis and its transpose in Cartesian coordinates: [EQUATION] where Xi is a unit vector paralleling the ith observation axis, XiT...
1985
Flute-Like Marks and Associated Structures from the Carboniferous Port Hood Formation of Eastern Canada: Evidence of Secondary Origin in Association with Sediment Intrusion
Dave G. Keighley, Ron K. Pickerill
Journal of Sedimentary Research (SEPM)
...). The strata there dip uniformly west-northwest at 44° and have a strike of 018°. Paleocurrent directions in this unit range from 010° to 160°. OCCURRENCE...
1994
Eolian Sequence Stratigraphy--A Conceptual Framework: Chapter 16: Recent Developments in Siliciclastic Sequence Stratigraphy
Gary Kocurek, Karen G. Havholm
AAPG Special Volumes
... changes of sea level, part 2: the depositional sequences as a basic unit for stratigraphic analysis, in C.E. Payton, ed., Seismic Stratigraphy...
1993
THE GEOLOGY OF DOLLARD FIELD SASKATCHEWAN
A. D. Cumming
Williston Basin Symposium
... to the initiation of a water flood pressure maintenance programme in August, 1955. The presently accepted Unit Boundary, shown in Figure 2, encompasses...
1958
A Revised Stratigraphic Architecture and History for the Horseshoe Canyon Formation (Upper Cretaceous), Southern Alberta Plains; #10294 (2011)
David A. Eberth
Search and Discovery.com
... influences of changes in relative sea level, tectonism, and climate. Five units are recognized: • Unit 1: marine-to-nonmarine transitions; very coaly...
2011
Regional Geology of the Onshore Canning Basin, W.A.
A. N. Yeates, D. L. Gibson, R. R. Towner, R. W. A. Crowe
Petroleum Exploration Society of Australia (PESA)
...! Sandstone appears to be Toarcian to Oxfordian, and is the oldest Jurassic unit. It is exposed only in the north as sandstone, mudstone and conglomerate...
1984
Basin Formation in the Nias Area of the Sumatra Forearc, Western Indonesia
John Milsom, Baizar Sain, J. Sipahutar
Geological Society of Malaysia (GSM)
.... The two explanations are not mutually exclusive. Although when viewed at small scale the Sumatra forearc basin appears to be a single unit, in detail...
1995
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)
... unit (Lower Cretaceous), Western Canada Sedimentary Basin: Journal of Sedimentary Research, v. 72, p. 602–618. Bai, H., 2008, Reconstruction...
2015
Probability models for stasis and change in paleocommunity structure
John C. Handley, H. David Sheets, Charles E. Mitchell
PALAIOS
... extinct within an interval of stasis is low. Further, CS is indicated by low carryover of species into the interval from the unit below, and low...
2009
Oligocene Paleogeography of the Northern Great Plains and Adjacent Mountains
David Seeland
Rocky Mountain Section (SEPM)
..., where recognized, may include in ascending order the Chadron and Brule Formations and an unnamed upper conglomerate unit. The White River Group is widely...
1985
Highly Variable Precambrian Fluvial Style Recorded In the Nelson Head Formation of Brock Inlier (Northwest Territories, Canada)
Alessandro Ielpi, Robert H. Rainbird
Journal of Sedimentary Research (SEPM)
... Head Formation is a fluvial to deltaic clastic unit contained in the middle to lower Shaler Supergroup (Rainbird et al. 1994; Thomson et al. 2015...
2016
Fluid Processes and Sea-Floor Response on a Modern Storm-Dominated Shelf: Middle Atlantic Shelf of North America. Part I: The Storm-Current Regime.
Donald J. P. Swift, Gregory Han, Christopher E. Vincent
CSPG Special Publications
.... Preliminary results of coincident current vector and sediment transport observations for winter-time conditions on the Long Island inner shelf...
1986
Cow Head Breccia Sedimentology of the Cambro-Ordovician Continental Margin Newfoundland
J. F. Hubert, R. K. Suchecki, R. K. M. Callahan
Special Publications of SEPM
... The thickest breccia in unit 3 averages 9 7 m in thickness with an volume of 2 3 million cubic meters Fig exposed 16 The large boulders...
1977
Evaluation of Empirical Correlations and Time Series Models for the Prediction and Forecast of Unconventional Wells Production in Wolfcamp A Formation
Aimen Laalam, Houdaifa Khalifa, Habib Ouadi, Mouna Keltoum Benabid, Olusegun Stanley Tomomewo, Mouad Al Krmagi
Unconventional Resources Technology Conference (URTEC)
..., including Artificial Neural Networks (ANN), Deep Neural Networks (DNN), Long-Short-Term Memory (LSTM), Support Vector Machines (SVM), Random Forest...
2024
Facies Architecture of a Devonian Soft-Sediment-Deformed Alluvial Sequence, Broken River Province, Northeastern Australia
Simon C. Lang, Christopher R. Fielding
Special Publications of SEPM
... Trough u-beds FOSSILS crocks ¿ C / ptart 159/5100 Rip-up vodolasts Vector noms plonrd obere r6=flO of rrudirigs CHEMICAL Crlcrrlr rrodolm...
1992
Geology and Resource Potential of the Southern Tonga Platform: Chapter 9: Southeast Pacific and Eastern Indian Ocean Margins
David W. Scholl, Richard H. Herzer
AAPG Special Volumes
.... (in press) discuss evidence supporting this notion of the mechanics of arc rifting. Since the opening of the Lau Basin, the relative vector of convergence...
1992