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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 902 Results. Searched 197,434 documents.

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Abstract: Pollen, Spores and the Dalton Coal (Upper Pennsylvanian) of Northern Texas

Judith A. Gennett , Robert L. Ravn , Anne Raymond

GCAGS Transactions

... Psaronius, the seed fern Medullosa, and the gymnosperm Cordaites, may represent a rooted peat. As shown below, the most important palnomorphs in the Dalton...

1988

ABSTRACT: Effects of Increased Freshwater Inflow on the Emergent Vegetation of a South Texas Hypersaline Salt Marsh

Alexander, Heather D., Dunton, Kenneth H.

GCAGS Transactions

... bigelovii. Seed germination and expansion of this species into previously bare areas were seen the spring following fall inflow events. Cover increased...

2002

Resin Rods and Woody Rod-Like Structures in Pennsylvanian Coal Beds of Appalachian and Illinois Basins: ABSTRACT

Paul C. Lyons, Robert B. Finkelman, Orrin G. Oftendahl

AAPG Bulletin

.... In the Illinois basin, the needle-like bodies are associated with coalified wood, cuticles, seed coats, and megaspores. Under the scanning electron...

1980

Potash in the Permian Salines of the Panhandle

S. G. Hardison

Panhandle (Texas) Geological Society

... of potash and of the methods for its detection. Potash is one of the basic plant foods and most virgin soils contain some natural potash. Natural potash...

1956

First Run Rotary Steerable System and MPD N2 Injection

Huber Borja, Ramón Perdomo, Luis Lopez

Unconventional Resources Technology Conference (URTEC)

... as modeled by the directional BHA. A limited percentage of detection and data transmission through pulse signals to the surface was deemed acceptable...

2023

Chapter Three: Structural Interpretation

Alistair R. Brown

AAPG Special Volumes

... the seed points for input to the autotracker. The autotracker completes the horizon on every data point and provides necessary precision. When...

2011

Applying deep learning for identifying bioturbation from core photographs

Eric Timmer, Calla Knudson, and Murray Gingras

AAPG Bulletin

... can be used to “seed” wells from a given area or interval, which can therefore significantly increase the value of core photograph data sets...

2021

Volume Roaming and Volume Visualization of Large 3D Seismic Datasets

Antony John Marsh

Indonesian Petroleum Association

... of the voxel-picking and geobody detection. Four seed points, using 26-way connectivity, were used to map the geobody. Each of the seed points was constrained...

2002

Conversion to Natural Gas at Queensland Alumina Limited

G. R. Skiba

Petroleum Exploration Society of Australia (PESA)

... is assisted by adding previously precipitated alumina as "seed". 4. Calcination The precipitated material (called hydrate) is washed and calcined...

1992

A Structured Approach Towards Quantification of Subsurface Parameter Ranges (Paper P37)

A. J. W. Everts, L. Alessio, P. Friedinger, F. Rahmat

Geological Society of Malaysia (GSM)

... of a “random seed”. However, one needs to recognize that a “random seed” only addresses the localized distribution pattern away from wells and especially...

2012

Integrating Induced Seismicity Observations and Discrete Fracture Network Modelling to Characterize the Natural Fracture Architecture of the Montney Formation, British Columbia

Steve Rogers, Scott McKean

Unconventional Resources Technology Conference (URTEC)

... detection limits and a minimum area of fault patch required to generate an induced seismicity event (Eyre et al., 2019). If the minimum lineament size...

2022

An Abandoned-Channel Fill With Exquisitely Preserved Plants In Redbeds of the Clear Fork Formation, Texas, USA: An Early Permian Water-Dependent Habitat On the Arid Plains Of Pangea

Sharane S.T. Simon, Martin R. Gibling, William A. DiMichele, Dan S. Chaney, Cindy V. Looy, Neil J. Tabor

Journal of Sedimentary Research (SEPM)

..., H., 2009, Auritifolia gen. nov., probable seed plant foliage with comioid affinities from the Early Permian of Texas, U.S.A: International Journal...

2016

Experimental Study of Sandstone Cementation

M. T. Heald, J. J. Renton

Journal of Sedimentary Research (SEPM)

... in the upper part of the capsule where growth occurred on sand grains acting as seed crystals. The percent liquid fill used was from 70 to 80 percent...

1966

Advanced Characterization and Novel Waste Management for Drill Cuttings From Marcellus Shale Energy Development

Mengling Y. Stuckman, Harry M. Edenborn, Christina L. Lopano, J. Alexandra Hakala

Unconventional Resources Technology Conference (URTEC)

... in drill cuttings inhibited plant seed germination, but plant growth on green roofs in cuttingsamended soil was not inhibited once soluble salts were...

2018

Fruit Dispersal Ecology of Woody Taxa in Temperate to Tropical Forests of China and Japan

Ute C. Knörr, Johanna Kovar-Eder, Petr Mazouch, Anita Roth-Nebelsick

PALAIOS

... of Informatics and Statistics, University of Economics, Prague, Winston Churchill sq. 4, 130 67 Prague 3, Czech Republic, [email protected] ABSTRACT Seed...

2012

Chapter 10: 3-D Seismic-Structural Workflows – Examples Using the Hat Creek Fault System

Graham Yielding, Brett Freeman

AAPG Special Volumes

... relative to entire volume, see Figure 2. The green line (between arrows) on the front face of the probe is part of the horizon seed interpretation used...

2016

Chapter 6: Structural Interpretation of Seismic Geologic Reality, Perspective, and 3-D Thinking

Peter Boult, Brett Freeman, Graham Yielding

AAPG Special Volumes

... to a myriad of mathematical derivatives or cross-correlations, ideally validated against well or outcrop data, to produce perceived direct detection...

2016

TAPHONOMIC VARIANCE BETWEEN MARATTIALEAN FERNS AND MEDULLOSAN SEED FERNS IN THE CARBONIFEROUS MAZON CREEK LAGERSTÄTTE, ILLINOIS, USA

EMMA R. LOCATELLI, LAURA KRAJEWSKI, ALLEN V. CHOCHINOV, MARC LAFLAMME

PALAIOS

...TAPHONOMIC VARIANCE BETWEEN MARATTIALEAN FERNS AND MEDULLOSAN SEED FERNS IN THE CARBONIFEROUS MAZON CREEK LAGERSTÄTTE, ILLINOIS, USA EMMA R...

2016

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