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The AAPG/Datapages Combined Publications Database

Showing 930 Results. Searched 200,693 documents.

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SEM Imaging of Bacteria and Nannobacteria in Carbonate Sediments and Rocks

Robert L. Folk

Journal of Sedimentary Research (SEPM)

... the bacterially precipitated seed crystals. ANCIENT LIMESTONE Bacterial fossils have been observed frequently in cherts (e.g., Lanier 1986...

1993

Biological Forcing of Hemipelagic Sedimentary Laminae: Evidence from ODP Site 893, Santa Barbara Basin, California

Kurt A. Grimm , Carina B. Lange , Amarpal S. Gill

Journal of Sedimentary Research (SEPM)

.... 231-244. PITCHER, G.C., 1990, Phytoplankton seed populations of the Cape Peninsula upwelling plume, with particular reference to resting spores...

1996

Capturing Geological Realism in Stochastic Simulations of Rock Systems with Markov Statistics and Simulated Annealing

Kevin P. Parks , Laurence R. Bentley , Allan S. Crowe

Journal of Sedimentary Research (SEPM)

... in an unacceptable local minimum. Note that changing the initial random number seed may improve performance between realizations, but the goal of efficient...

2000

Process-Like Modeling of Flank-Margin Caves: From Genesis to Burial Evolution

Richard Labourdette, Ioan Lascu, John Mylroie, Monica Roth

Journal of Sedimentary Research (SEPM)

... parameters describing the number of seed points per unit space (density). Object models can be conditioned, by the use not only of probability cubes...

2007

Wildcat Valley Sandstone in Southwest Virginia--Possible Reservoir Sandstone

Ralph L. Miller , William Back , Ruth G. Deike

AAPG Bulletin

... of the psilophytes of an earlier age and the fern and seed-fern complexes of the Carboniferous." If weathering or ground-water alteration were an important process...

1977

Diagenesis of Eolian and Fluvial Feldspathic Sandstones, Norphlet Formation (Upper Jurassic), Rankin County, Mississippi, and Mobile County, Alabama

E. F. McBride, L. S. Land, L. E. Mack

AAPG Bulletin

... seed crystals. Silica for this late-stage cement may have been derived from quartz dissolved at stylolites. The amount of porosity loss by this late...

1987

Outcrop-constrained hydrogeological simulations of brine reflux and early dolomitization of the Permian San Andres Formation

Beatriz Garcia-Fresca, F. Jerry Lucia, John M. Sharp Jr., Charles Kerans

AAPG Bulletin

... dolomite in the system (seed effect), the effective reactive surface area of dolomite, the stoichiometry of early formed dolomite, and permeability...

2012

Understanding salt in orogenic settings: The evolution of ideas in the Romanian Carpathians

Dan Mircea Tămaş, Zsolt Schléder, Csaba Krézsek, Silviu Man, and Sorin Filipescu

AAPG Bulletin

.... To cite an analog, Mrazec compared this to “what happens when you squeeze a slippery lemon seed between your fingers, the salt mass playing a similar role...

2018

Hierarchical machine learning workflow for conditional and multiscale deep-water reservoir modeling

Wen Pan, Honggeun Jo, Javier E. Santos, Carlos Torres-Verdín, and Michael J. Pyrcz

AAPG Bulletin

... random number seed. The GAN uses convolutional neural networks (CNNs) to extract high-order statistics about the geometric and depositional patterns...

2022

Classification of elemental chemofacies as indicators of cement diagenesis in mudrocks of the Permian Spraberry Formation and Wolfcamp formation, western Texas

Autumn L. Eakin, Julia S. Reece, Kitty L. Milliken, Robert Locklair, and Andrew P. Rathbun

AAPG Bulletin

... in calcite and dolomite. These classifiers seed the application to assign a probability that each unique pixel belongs to a defined class. We trained...

2023

Philmont Country: The Rocks and Landscape of a Famous New Mexico Ranch

G. D. Robinson, A. A. Wanek, W. H. Hays, M. E. McCallum, John R. Stacy

Other Technical

... Creek. The thin beds are shale; the thick beds are red sandstone. B and C, Imprints of extinct plants in red shale. D, Drawing of fronds and seed...

1964

Guide to the Engineering Geology of the Anchorage Area: A Commentary on the Geotechnical, Hydrologic, and Historical Aspects of Selected Localities in the City, Anchorage, Alaska, 1984

Randall G. Updike, Larry L. Dearborn, Catherine A. Ulery, Jennifer L. Weir

Alaska Geological Society

... Research, 11th Congress, Moscow 1982, Proceedings, v. 1, p. 282. Seed, H. B., and Wilson, S. D., 1967, The Turnagain Heights Landslide, Anchorage, Alaska...

1984

Log Jams and Flood Sediment Buildup Caused Channel Abandonment and Avulsion in the Pennsylvanian of Atlantic Canada

Martin R. Gibling, Arden R. Bashforth, Howard J. Falcon-Lang, Jonathan P. Allen, Christopher R. Fielding

Journal of Sedimentary Research (SEPM)

..., W., 1924, The Upper Devonian forest of seed ferns: New York State Museum, Bulletin, v. 251, p. 50–72. Goldring, W., 1927, The oldest known petrified...

2010

Compositional changes in a mid-Stephanian (Kasimovian) Flora in relation to alluvial plain deposits derived from westward-receding mountains and bordered by the Paleotethys: La Magdalena Coalfield, northwestern Spain

Robert H. Wagner, M. Paz Castro

PALAIOS

..., Dicranophyllum gallicum Grand’Eury (two localities only) (Barthel, 1999), and Taeniopteris jejunata Grand’Eury (Barthel, 2006). These seed plants presumably...

2011

Determining Floodplain plant distributions and populations using paleopedology and fossil root traces: Upper Triassic Sonsela Member of the Chinle Formation at Petrified Forest National Park, Arizona

Aislyn M. Trendell, Lee C. Nordt, Stacy C. Atchley, Stephanie L. Leblanc, Stephen I. Dworkin

PALAIOS

.... As such, small roots in channel-proximal positions most likely represent seedlings of arborescent gymnosperms such as Mesozoic seed ferns, ginkgoes...

2013

The Pre-History of the Rule of Capture

Terence Daintith

Petroleum History Institute

... as the second sandstone and be seedbagged86 A seedbag was a doughtnut-shaped canvas bag filled with flaxseed or some other appropriate seed, which...

2008

Identification and Recording of Particulate Sedimentary Organic Matter

Stanley A.J. Pocock

Special Publications of SEPM

... Jura Trias 225 I R E :47 280 Karbon 0 o 345 Devon "Pro;olatz.vrnoe" 395 F's0opmytatcle Fig. 12. Possible phylogeny of seed plants. B...

1982

A Fossil Forest from Italy Reveals that Wetland Conifers Thrived in Early Permian Peri-Tethan Pangea

Steffen Trümper, Ronny Rößler, Corrado Morelli, Karl Krainer, Sara Karbacher, Björn Vogel, Matteo Antonelli, Enrico Sacco, Evelyn Kustatscher

PALAIOS

.../molds from the carbonate beds and concretions (Forte et al. 2023). Plant groups found include sphenophytes, ferns, seed ferns, cordaitaleans, walchian...

2023

Diagenesis of Oceanic Carbonate Sediments: A Review of the Dsdp Perspective

Robert E. Garrison

Special Publications of SEPM

... cement crystals nucleated preferentially on the relatively large braarudosphaerid pentalith segments which acted as seed crystals Cementation...

1981

Seafloor Characteristics and Dynamics Affecting Geotechnical Properties at Shelfbreaks

Richard H. Bennett, Terry A. Nelsen

Special Publications of SEPM

... structure is long recognized As an example it was shown by Seed et al 1975 that seismic shaking during the San Fernando earth quake of 1971 induced very...

1983

Paleopedology and Stable-Isotope Geochemistry of Late Triassic (Carnian-Norian) Paleosols, Durham Sub-Basin, North Carolina, U.S.A.: Implications for Paleoclimate and Paleoatmospheric PCO2

Steven G. Driese, Claudia I. Mora

Special Publications of SEPM

... Geological Survey in Raleigh (Scott, 1993). Scott 1993 Macroflora in Deep River Basin strata include both seed plants Macroflora in Deep RiverBasin...

2002

Equilibrium of Form and Forces in Tidal Basins of Coast of Texas and Louisiana

W. Armstrong Price

AAPG Bulletin

... of oysters, including a lack of enforcement of a regular policy of replanting "seed" oysters, and lack of knowledge of the laws of oyster growth under...

1947

Paleoecology and Diagenesis of Pleistocene Limestone on Ambergris Cay, Belize

Gordon E. Tebbutt

AAPG Special Volumes

... of crystal size away from void walls in general case. Bar length 0.5 mm. Plane-polarized light. B. Prismatic needles of aragonite, based on "seed" crystals...

1975

Variations in Alluvial Architecture Across the Oligo-Miocene Huesca Fluvial System, Ebro Basin, Spain

J.P.P. Hirst

Special Publications of SEPM

... several localises have been studied lo assess the spatial Pol seed coinage Potrete. Nues barn Ebro Basin variations of alluvial architecture within...

1992

Cycles in Lake Beds of the Triassic Sanford Sub-Basin of North Carolina

Lisa N. HU, Daniel A. Textoris

Special Publications of SEPM

... and seed ferns predominate in the coals. In carbonaceous shales associated with the coals, wood cells and palynomorphs of horsetails and lycopods...

1996

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