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The AAPG/Datapages Combined Publications Database
Showing 568 Results. Searched 200,357 documents.
Geologic Map of the Woodrock Quadrangle, Sheridan and Big Horn Counties, Wyoming
Jacqueline Epperson, John Malone, Danika Mayback, David Malone
Rocky Mountain Association of Geologists
... in supercraton Superia. Geological Society, London, Special Publications, 424, p. 15–45., DOI:10.1144/SP424.7 Ludwig, K.R., 2008, Isoplot 3.60...
2022
Geologic Map of the Skull Ridge Quadrangle, Sheridan County, Wyoming, USA
Robert Andreoli, Chanler Samples, Laysen Keel, Jennifer Gifford, Jillian Dees, Ethan Rodgers, Shawn Malone, Benton Moore, John Perry
Rocky Mountain Association of Geologists
... of Wyoming, Scale 1:1,000,000. Wyoming Geol. Survey. Ludwig, K.R., 2008, Isoplot 3.60. Berkeley Geochronology Center, Special Publication No. 4, 77 p...
2025
Geotectonic Regionalization and Evolution of the East China Sea and Its Environs
Li Yinhuai
Circum Pacific Council Publications
... be subdivided into layers s e p a r a t e d by an angular unconformity, as Leyden and Murauchi (1973) and Ludwig et al. (1973) suggested. The lower layer...
1986
The Hokkaido Corner--Hydrocarbon Exploration in a Subduction System
Al Sabitay, John E. Shirley
Circum Pacific Council Publications
... and Ludwig (1981) h a v e outlined the aseismic z o n e s w h i c h underlie the uplifted area and the volcanic front considered to exist as a part of the m...
1986
Age, Character and Provenance of the Tipuma Formation, West Papua: New Insights from Detrital Zircon Dating
Indra Gunawan, Robert Hall, Inga Sevastjanova
Indonesian Petroleum Association
... ratio for grains older than 1000 Ma (e.g. Cawood et al., 1999). Data were processed using Isoplot™ (Ludwig, 2008). SANDSTONE COMPOSITION The Tipuma...
2012
Durbachite-Like Melagranite in Taiping Pluton of Bintang Batholith, Peninsular Malaysia
Long Xiang Quek, Azman A. Ghani, Mokhtar Saidin, Zuhar Zahir Tuan Harith
Geological Society of Malaysia (GSM)
... results (Figure 5) are done using Ludwig (2003) ISOPLOT software. The Th/U ratios for BB-1 range from 0.11 to 0.93. All of the analyses are concordant...
2016
Infaunal-Sediment Relationships at the Shelf-Slope Break
Norman J . Blake, Larry J. Doyle
Special Publications of SEPM
... of the West Flor slope transition Ludwig 1964 and Doyle and Sparks 1980 have designated the sediment least 200 ida shelf facies in this Fig 4 area...
1983
Petrology and U-Pb geochronology of buried Avalonian plutonic rocks on southeastern Cape Cod
G. W. Leo, J. K. Mortensen, B. Barreiro, J. D. Phillips
Atlantic Geology
... the PBDAT program (v. 1.06) of Ludwig (1990). Errors were estimated based on reproducibility of standards. U and Pb procedural blanks averaged 0.030...
1993
Geochronology of the Letete and Waweig formations, Mascarene Group, southwestern New Brunswick
B. V. Miller, L. R. Fyffe
Atlantic Geology
... of Ludwig (1989) 4 33 34 Miller & Fyffe Fig. 3 Correlation chart showing stratigraphic ranges and estimated thicknesses for formations comprising...
2002
The Sulu Sea: A Marginal Basin in Southeast Asia: Small Basin Margins
A. Mascle , P. A. Biscarrat
AAPG Special Volumes
.... Karig, D., 1973, Plate convergence between the Philippines and the Ryukyu Islands: Marine Geology, v. 14, p. 153-168. Ludwig, W. J., 1970...
1979
AAPG Studies in Geology 47: Geological Perspectives of Global Climate Change, Chapter 13 - Coral Reefs and Shoreline Dipsticks
Shinn, E. A.
AAPG Special Volumes
... and Shackleton (1986); and Ludwig et al. (1996). The positions are plotted on the deep-sea oxygen-isotopic proxy data of Shackleton (1987) and Labeyrie et al...
2001
Dune Migration on Macrotidal Flats Under Symmetrical Tidal Flows: Garolim Bay, Korea
Hee J. Lee, Hyung R. Jo, Yong S. Chu
Journal of Sedimentary Research (SEPM)
... behavior in the coastal sea: Korea Ocean Research & Development Institute, Report BSPN499-00-1644-5, 655 p. Ludwig, K.A., and Hanes, D.M., 1990...
2006
Critique of Hypothesis of Continental Drift: GEOLOGICAL NOTES
Victor Oppenheim
AAPG Bulletin
..., Geologic evolution of North America: Science, v. 140, no. 3563, p. 143-152. Ewing, M., W. J. Ludwig, and J. I. Ewing, 1964, Sediment distribution...
1967
Neogene Volcaniclastic Sediments from Atka Basin, Aleutian Ridge
Richard J. Stewart
AAPG Bulletin
... Drilling Project, v. 19: Washington, D.C., U.S. Govt. Printing Office, p. 701-719. Ludwig, W. J., R. E. Houtz, and M. Ewing, 1971, Sediment...
1978
Rubidium-Strontium Minimum Ages of Sedimentation, Uranium Mineralization, and Provenance, Morrison Formation (Upper Jurassic), Grants Mineral Belt, New Mexico
Moon J. Lee , Douglas G. Brookins
AAPG Bulletin
... Plateau: U.S. Geol. Survey Bull. 1150, 90 p. Ludwig, K. R., 1975, Uranium-lead apparent isotope ages of pitchblendes, Shirley basin, Wyoming (abs.): AAPG...
1978
Some Depositional Patterns at Continental Margin of Southeastern Mediterranean Sea
Y. Mart , Y. Ben Gai
AAPG Bulletin
... reports of the Deep Sea Drilling Project, v. 42, part I: Washington, D.C., U.S. Govt. Printing Office, 1249 p. Ludwig, W. J., et al, 1979, Structure...
1982
Geologic Evolution of Petroliferous Basins on Continental Shelf of China
Li Desheng
AAPG Bulletin
..., The eastern China Mesozoic-Cenozoic basins and hydrocarbon occurrence: Acta Geologica Sinica, v. 57, no. 3, p. 224-234 (in Chinese). Ludwig, W. J...
1984
Integration of Geophysical Data to Define a Structural Model in the North-Central Coast of the Venezuelan Platform; #30327 (2014)
Vanessa Villarroel Estaba and Nuris Orihuela
Search and Discovery.com
... a range between 30 km at the south and 21 km at the north. The initial densities were calculated from the equation proposed by Ludwig et al. (1970), using...
2014
The Impact of Recalibrating Palynological Zones to the Chronometric Timescale: Revised Stratigraphic Relationships in Australian Permian and Triassic Hydrocarbon-Bearing Basins, #51443 (2017).
Tegan E. Smith, Tom Bernecker, Simon Bodorkos, John Gorter, Lisa S. Hall, Tony Hill, Erin Holmes, Andrew Kelman, Kamal Khider, John Laurie, Megan Lech, John McKellar, Arthur Mory, Robert Nicoll, Ryan Owens, Tehani J. Palu, Laura Phillips, Mike Stephenson, Geoff Wood
Search and Discovery.com
... and Multi-Step Partial Dissolution Analysis for Improved Precision and Accuracy of Zircon Ages: Chemical Geology, v. 220, p. 47-66. Mundil, R., K.R. Ludwig...
2017
A MIDDLE PERMIAN (ROADIAN) LUNGFISH AESTIVATION BURROW FROM THE RIO DO RASTO FORMATION (PARANÁ BASIN, BRAZIL) AND ASSOCIATED U-Pb DATING
HEITOR FRANCISCHINI, PAULA DENTZIEN-DIAS, MARGOT GUERRA-SOMMER, RUALDO MENEGAT, JOÃO ORESTES SCHNEIDER SANTOS, JOSELINE MANFROI, CESAR LEANDRO SCHULTZ
PALAIOS
... the SQUIDÓ 1.03 software (Ludwig 2001) and the ages calculated using IsoplotÓ 3.0 (Ludwig 2003). The presented depositional ages are mean average...
2018
Lacustrine-Humate Model for Primary Uranium Ore Deposits, Grants Uranium Region, New Mexico
Christine E. Turner-Peterson
AAPG Bulletin
... Resources Memoir 38, p. 252-261. Ludwig, K. R., B. Rubin, N. S. Fishman, and R. L. Reynolds, 1982, U-Pb ages of uranium ores in the Church Rock uranium...
1985
Western Caribbean intraplate deformation: Defining a continuous and active microplate boundary along the San Andres rift and Hess Escarpment fault zone, Colombian Caribbean Sea
Luis Carlos Carvajal-Arenas, and Paul Mann
AAPG Bulletin
... of North America: Boulder, Colorado, The Geological Society of America, p. 231–260. Houtz, R. E., and W. J. Ludwig, 1977, Structure of Colombia Basin...
2018
Detrital zircon geochronology of the Aycross Formation (Eocene) near Togwotee Pass, western Wind River Basin, Wyoming
David H. Malone, John P. Craddock, Kacey L. Garber, Jarek Trela
Rocky Mountain Association of Geologists
... of the Absaroka Range, Wyoming: Geological Society of America Special Paper #20, 134 p. Ludwig, K.R., 2008, Isoplot 3.60. Berkeley Geochronology Center...
2017
Preservation of trace fossils and molds of terrestrial biota by intense storms in mid-last interglacial (MIS 5c) dunes on Bermuda, with a model for development of hydrological conduits
Paul J. Hearty, Storrs L. Olson
PALAIOS
... correlated with marine isotope stages (MIS) through independent U/Th dating (Harmon et al., 1983; Ludwig et al., 1996) and aminostratigraphic techniques...
2011
The History of the 5% Fund
Basil South
Petroleum History Institute
... on the July 13, 19284 (5). Rumours abounded that some form of unofficial It is unknown which of the Nobel brothers this was, either Ludwig or Robert...
2019