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The AAPG/Datapages Combined Publications Database
Showing 568 Results. Searched 200,663 documents.
Geologic Evolution and Mineral Resources of the Marysvale Volcanic Field, West-Central Utah
Charles G. Cunningham, Peter D. Rowley, Thomas A. Steven, Robert O. Rye
Utah Geological Association
... Geologists Guidebook GB 78, p. 155–168. Cunningham, C.G., Ludwig, K.R., Naeser, C.W., Weiland, E.K., Mehnert, H.H., Steven, T.A., and Rasmussen, J.D., 1982...
2007
Rhenium-Osmium Geochronology and Geochemistry of the Permian Brushy Canyon Formation: Investigating the Controls of Re and Os Abundances in Organic-Rich Shales and the Evolution of Permian Seawater
Shawn Wright, Alan Brandon, John Casey
Unconventional Resources Technology Conference (URTEC)
... regression (York, 1969) of the reduced isotopic data and propagated 2σ uncertainties using Isoplot v. 4.15 (Ludwig, 2008). Errors are calculated using...
2017
Minimum age of the Neoproterozoic Seven Hundred Acre Island Formation and the tectonic setting of the Islesboro Formation, Islesboro block, Maine
David B. Stewart, Robert D. Tucker, Robert A. Ayuso, Daniel R. Lux
Atlantic Geology
... calculated with the algorithm of Ludwig (1980) using a QuickBasic program written by L. Heaman and D.W. Davis of the Royal Ontario Museum (Toronto...
2001
Petrologic and Experimental Evidence for the Etching of Garnets by Organic Acids in the Upper Jurassic Morrison Formation, Northwestern New Mexico
Paula L. Hansley
Journal of Sedimentary Research (SEPM)
.... Res. Memoir 38, p. 75-85. LUDWIG, K. R., SIMMONS, K. R., and WEBSTER, J. D., 1984, U-Pb isotope systematic and apparent ages of uranium ores, Ambrosia...
1987
Quantification of the Effects of Secondary Matrix on the Analysis of Sandstone Composition, and a Petrographic-chemical Technique for Retrieving Original Framework Grain Modes of Altered Sandstones
Ronadh Cox , Donald R. Lowe
Journal of Sedimentary Research (SEPM)
...: a practical guide for geoanalysts: Geostandards Newsletter, v. 6, p. 175-205. LUDWIG, K.R., 1974, Precambrian geology of the central Mazatzal Mountains...
1996
The New Global Tectonics--An Assessment
John C. Maxwell
AAPG Special Volumes
.... 2449-2473. Ludwig, W. J., J. E. Nafe, and C. L. Drake, 1971, Seismic refraction, in The sea, v. 4, pt. 1: New York, Wiley-Interscience, p. 53-84...
1974
Structurally Controlled Sediment Distribution Patterns in the Jurassic Morrison Formation of Northwestern New Mexico and Their Relationship to Uranium Deposits: Part IV. Southern Rocky Mountains
A. R. Kirk, S. M. Condon
AAPG Special Volumes
.... Ludwig, K. R., K. R. Simmons, and J. A. Webster, 1984, U-Pb isotope systematics and apparent ages of uranium ores, Ambrosia Lake and Smith Lake...
1986
Solving a tuff problem: Defining a chronostratigraphic framework for Middle to Upper Jurassic nonmarine strata in eastern Australia using uranium–lead chemical abrasion–thermal ionization mass spectrometry zircon dates
Carmine C. Wainman, Peter J. McCabe, and James L. Crowley
AAPG Bulletin
.../html/2000/intl/abstracts/227.htm. Ludwig, K. R., 2003, User’s manual for Isoplot 3.00: A geochronological toolkit for Microsoft Excel: Berkeley, CA...
2018
Provenance of Upper Jurassic to Lower Cretaceous synrift strata in the Terra Nova oil field, Jeanne d’Arc basin, offshore Newfoundland: A new detrital zircon U-Pb-Hf reference frame for the Atlantic Canadian margin
Alexander D. Hutter, and Luke P. Beranek
AAPG Bulletin
..., offshore Newfoundland, east coast of Canada: AAPG Bulletin, v. 95, no. 8, p. 1295–1320, doi:10.1306/12081010005. Ludwig, K., 2003, User’s manual...
2020
The Subduction Myth*
S. Warren Carey
Southeast Asia Petroleum Exploration Society (SEAPEX)
... relationships in the southern part of the New Zealand geosyncline”. Geol. Soc. Am. Bull., 83: 2267–2284. Ludwig, W.J., Ewing, J.I., Ewing, M., Murauchi...
1975
Crustal Structure, From Gravity Data, Of A Collision Zone in the Central New Hebrides Island Arc
Jean-Yves Collot, Michael A. Fisher
Circum Pacific Council Publications
... , thi s volume) , utilizin g th e velocity density relatio n o f Ludwig, Nafe, an d Drak e (1970) . The Arc Gravity anomalie s ove r th e ar c platfor...
1988
The Grants Uranium District, New Mexico: Update on Source, Deposition, and Exploration
Virginia T. McLemore
Rocky Mountain Association of Geologists
... deposits of the Grants mineral belt, southern San Juan Basin, New Mexico: Ph.D. dissertation, Cornell University, Ithaca, New York, 241 p. Ludwig, K.R., B...
2011
Detrital zircon geochronology and provenance of the Middle Cambrian Flathead Sandstone, Park County, Wyoming
David H. Malone, John P. Craddock, Stuart Kenderes
Rocky Mountain Association of Geologists
..., The New World or Cooke City mining district, Park County, Montana: US Government Printing Office. 94 p. Ludwig, K.R., 2008, Isoplot 3.60. Berkeley...
2017
Geochronology of the southern margin of the Bighorn Batholith, Wyoming
John Malone, Jennifer Gifford, Jeanette Arkle, David H. Malone, John P. Craddock, Michael B. Wolf
Rocky Mountain Association of Geologists
... of Wyoming, Scale 1:1,000,000. Wyoming Geological Survey. Ludwig, K., 2008, Isoplot 3.6: Berkeley Geochronology Center Special Publication 4, 77 p. Mogk...
2019
Upper Oligocene Conglomerates of the Altiplano, Central Andes: The Record of Deposition and Deformation Along the Margin of a Hinterland Basin
Andrew L. Leier, Nadine McQuarrie, Brian K. Horton, George E. Gehrels
Journal of Sedimentary Research (SEPM)
..., Bolivia, South America: Tectonics, v. 16, p. 623–649. Ludwig, K.R., 2003. Isoplot 3.00: Berkeley Geochronology Center Special Publication No. 4...
2010
New age constraints on the Late Cretaceous lower Williams Fork Formation, Coal Canyon, Colorado
Jordan T. Walker, Andres Aslan, Rex D. Cole, Matthew T. Heizler
Rocky Mountain Association of Geologists
... Mountain Association Geologists, p. 190–229. Min K., Mundil R., Renne P. R., and Ludwig, K. R., 2000, A test for systematic errors in 40Ar/39Ar...
2021
Sediment provenance and stratigraphic correlations of the Paleogene White River Group in the Bighorn Mountains, Wyoming
Joshua R. Malone, John P. Craddock, David H. Malone
Rocky Mountain Association of Geologists
... Wyoming: U.S. Geological Survey Professional Paper 932-B, 40 p., https://doi.org/10.3133/pp932b. Ludwig, K.R., 2008, Isoplot 3.60, Berkeley Geochronology...
2022
U-Pb Dating of Detrital Zircons From West Java Show Complex Sundaland Provenance
Benjamin Clements, Robert Hall
Indonesian Petroleum Association
... Isoplot (Ludwig, 2003). Zircon and provenance bias Zircon is an ultra-stable heavy mineral and the most resistant to chemical weathering...
2008
Involvement of microbial mats in delayed decay: An experimental essay on fish preservation
Miguel Iniesto, Ana I. Lopez-Archilla, Marian Fregenal-Martínez, Angela D. Buscalioni, M. Carmen Guerrero
PALAIOS
... and Visscher, 2005; Ludwig et al., 2005). Accordingly, the preservative action of bacteria occurs during early biostratinomic phases, and actualistic...
2013
Origin of the Gulf of Mexico, II: Additional Data
William F. Tanner
GCAGS Transactions
..., Heat flow through the Atlantic Ocean floor and convection currents; Jour. Geophys. Res., vol. 71, p: 5321-5356: Ludwig, W. J., J. I. Ewing, M. Ewing...
1968
Environmental stress and iterative paedomorphism in shells of Poecilozonites (Gastropoda: Gastrodontidae) from Bermuda
Paul J. Hearty, Storrs L. Olson
PALAIOS
... approximately 130 ka and 118 ka (Harmon et al. 1983; Ludwig et al. 1996; Hearty et al. 2004). The PAED1 sites at Rocky Bay (URB), including Gould’s P. b...
2019
Thermochronologic Evidence for Footwall Deformation During Extensional Core Complex Development, Mineral Mountains, Utah
Drew S. Coleman, J. Douglas Walker, John M. Bartley, K. V. Hodges
Pacific Section of AAPG
... with paleomagnetism: Geological Society of America Bulletin, v. 107, p. 877-894. Ludwig, K. R., 1989, PBDAT for MS-DOS a computer program for IBM-PC...
2001
High Temperature Gas Chromatography of High-Wax Oils
R. M. K. Carlson, S. C. Teerman, J. M. Moldowan, S. R. Jacobson, E. I. Chan, K. S. Dorrough, W. C. Seetoo, B. Mertani
Indonesian Petroleum Association
... Association, 19th Annual Convention Proceeding, Jakarta, Indonesia, 279-297. Ludwig, J., 1965. Analysis of microcrystalline waxes by gas-liquid...
1993
Late Paleozoic detrital history of eastern Gondwanaland: petrofacies and detrital geochronology of Permo-Carboniferous intracratonic sequences of the northwest Bengal Basin
Md. Iftekhar Alam, Ashraf Uddin, Willis E. Hames
Journal of Sedimentary Research (SEPM)
... of Bangladesh, 59 p., Berkeley Geochronology Center, Berkeley, Isoplot 3.00: a geochronological toolkit for Microsoft Excel. Ludwig, 2003, Isoplot...
2020
The Continental Shelf Five Decades of Progress (1966 2016)
Mazlan Madon
Geological Society of Malaysia (GSM)
...; Mammerickx et al., 1976; Ludwig et al., 1979; Houtz & Hayes, 1984). During the past five decades, numerous scientific cruises by academia...
2017