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The AAPG/Datapages Combined Publications Database
Showing 288 Results. Searched 195,372 documents.
Late Paleozoic and Mesozoic Paleomagnetism and Tectonic Evolution of the Tarim Terrane
Fang Dajun, Chen Hanlin, Jin Guohai, Guo Yabin, Wang Zhaoliang, Tan Xiaodong, Yin Shuhang
Circum Pacific Council Publications
... field (PEF). The OP2 component was acquired before folding (Figure 2c). A baked contact test suggests that the Op2 component (with direction D=206.3±5.5...
1990
Development of Raman Spectroscopy as a Thermal Maturity Proxy in Unconventional Resource Assessment
Grant Myers, Kelsey Kehoe, Paul Hackley
Unconventional Resources Technology Conference (URTEC)
... test method D7708 [3]. The difficulties were attributed to problems in the subjective URTeC 2903536 2 identification of vitrinite in low organic...
2018
1941 Supplement to Sutter (Marysville) Buttes Development, Sutter County, California: GEOLOGICAL NOTES
Walter Stalder
AAPG Bulletin
.... The first was in baked and cracked shales adjacent to the igneous core or beneath any sills projecting from it. Under this condition it would be possible...
1942
A Note on Supposed Evidence of the Volcanic Origin of Gulf Coast Salt Domes: GEOLOGICAL NOTES
Wallace E. Pratt
AAPG Bulletin
..., overlain by the fused and baked clayey and sandy volcanic ash, the lignite partly burned, and the overlying beds subsided, displaced, and broken...
1921
ABSTRACT Dating Cenozoic Erosional Events in the Powder River Basin Using Evidence from Natural Coal Fires, #90125 (2011)
Reiners Peter W., Riihimaki Catherine A.2, Heffern Edward L.
Search and Discovery.com
... coal reserves in the Fort Union and Wasatch Formations of the PRB, when brought near the surface by erosion, have burned naturally and baked and melted...
2011
ABSTRACT Dating Cenozoic Erosional Events in the Powder River Basin Using Evidence from Natural Coal Fires, #90126 (2011)
Reiners Peter W., Riihimaki Catherine A., Heffern Edward L.
Search and Discovery.com
... coal reserves in the Fort Union and Wasatch Formations of the PRB, when brought near the surface by erosion, have burned naturally and baked and melted...
2011
Geochemistry and mineralogy of prehistoric pottery shards found at Gua Jaya, Nenggiri Valley, Kelantan, Malaysia
Muhamad Shafiq Mohd Ali, Zuliskandar Ramli, Nur Sarahah Mohd Supian
Geological Society of Malaysia (GSM)
... Fluorescence (XRF) test to obtain the content of the main elements and trace elements of the pottery. Besides the XRF test, X-ray Diffraction (XRD) testing...
2021
Note: U-Pb baddeleyite dating clarifies age of characteristic paleomagnetic remanence of Long Range dykes, southeastern Labrador
Sandra L. Kamo, Charles F. Gower
Atlantic Geology
... regional thermal event at ca. 550 Ma appears to be excluded by a baked contact test carried out adjacent to Dyke 2 (Murthy etal., 1992). The data...
1994
Improved Gasoline-Powered Soft-Sediment Cutter
Gloria M. Sierra, María I. Marín-Cerón, Jackeline Ramírez, Camilo Uribe
Journal of Sedimentary Research (SEPM)
... cylindrical samples. The method allows sampling at localities where conventional drilling fails in weak materials. To test the method, sedimentary...
2013
Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene San Francisquito Formation, Los Angeles County, California
Donald R. Prothero, Robert B. Vacca
Pacific Section SEPM
... grains before their remanence is baked in. All samples were then thermally demagnetized at multiple steps up to 600°C. This dehydrates any iron hydroxides...
2001
Clinker
P. R. MAY
North Dakota Geological Society
... of burned and baked clay in outcrops of the Fort Union formation. Clinker is formed by the natural burning of lignite...
1954
ABSTRACT: PROGRESS OF STUDIES OF CLINKER IN WESTERN COAL BASINS
Donald A. Coates
North Dakota Geological Society
... coal basins of the United States have consumed large amounts of coal during late Tertiary and Quaternary time. The baked...
1984
Distribution and Age of Clinker in Northern Powder River Basin, Montana: ABSTRACT
E. L. Heffern, D. A. Coates, C. W. Naeser
AAPG Bulletin
.... (August) Clinker, rock that has been baked or fused by the burning of underlying coal beds, is abundant in the Tongue River Member of the Paleocene Fort...
1983
Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene Silverado Formation, Orange County, California
Donald R. Prothero, Ruben A. Lopez
Pacific Section SEPM
..., which passes a reversal test. Nearly the entire formation (except possibly the very lowest beds) is of reversed polarity. Based on the presence...
2001
ABSTRACT: Structural Geology of the Lower Benue Trough: A Case Study of the Ishiagu Area of Ebonyi State, Nigeria; #90115 (2010)
Chiadikobi K. Chukwuebuka, N. Egesi, and F. T. Beka
Search and Discovery.com
... carbon content but the heat that accompanied the eruption baked the source rock into mudstones thereby reducing the source rock quality. The thermal...
2010
Dating petroleum emplacement by illite 40Ar/39Ar laser stepwise heating: Reply
He-Sheng Shi, Jian-Bing Yun, Hua-Ning Qiu
AAPG Bulletin
... for hydrocarbon maturation and migration: A test case from the Polaris MVT deposit, Canada: Earth and Planetary Science Letters, v. 235, p. 115, doi:10.1016/j...
2011
Magnetic Stratigraphy of the Middle Eocene Point of Rocks Sandstone (Ulatisian and Type Narizian Stages), Western San Joaquin Basin, California
Donald R. Prothero
Pacific Section SEPM
... sections yielded a stable remanence held mostly in magnetite which passes a reversal test. Based on calcareous nannofossil calibrations of the magnetic...
2001
Paleomagnetic results from Mayreau, West Indies, rule out large tectonic rotations since the Eocene
Speed, R.G., Burmester, R.F. and Beck, M.E.
Geological Society of Trinidad & Tobago
... proceed on the assumption that the age of magnetization is independent at each site and give unit weight to each site mean. A baked contact test shows...
1995
Guide to the Bedrock and Glacial Geology of the Glenn Highway, Anchorage to the Matanuska Glacier and the Matanuska Coal Mining District, Anchorage, Alaska, 1984 - Road Logs
Bruce I. Clardy, Peter T. Hanley, Charles C. Hawley, Joseph C. LaBelle
Alaska Geological Society
... and many smaller boulders of baked or mildly hornfelsed Matanuska Formation silty claystone are scattered about in this local area. Some overlie...
1984
Origin and Geomorphology of Clinker in the Powder River Basin, Wyoming and Montana
Donald A. Coates, Edward L. Heffern
Wyoming Geological Association
... Dakota Geological Society Guidebook, Southwestern North Dakota Field Conference, p. 18-19. Meyer, J.E., 1985a, Baked and fused rock (clinker) within...
1999
Clay Mineral Distribution in a Modern Sedimentary System, Surface Sediments from Ravenglass Estuary and Beyond; #50684 (2012)
Ehsan Daneshvar
Search and Discovery.com
... 5 6 7 8 9 10 Random powder clay separated , Cu Kα 11 12 13 2Theta (°) * Rav8, 80- 90cm , clp, 0. 55, Baked, 32scans * Rav8, 10- 20cm , clp...
2012
OIL on Troubled Waters
Susan Turner
GEO ExPro Magazine
...’s great internal deserts? This hard-baked 'gibber' desert country can glow like a rose and has yielded surprise and serendipity. The Cooper Basin...
2007
Movement Along the Great Glen Fault and Related Problems
T.C. Xu, D.H. Tarling
Circum Pacific Council Publications
... a Carboniferous dike and baked lower Car boniferous sedimentary rocks in Dunbar and the Duncansby Neck (DN), Scotland. have low primary tilts, as may sediments...
1990
Basement Rocks of Pico Etereo Area, Northern Coahuila, Mexico: GEOLOGICAL NOTES
Franklin W. Daugherty
AAPG Bulletin
... of rounded-to-subrounded fragments of limestone and rhyolite or trachyte in a matrix of rhyolite. Minor amounts of baked shale, orthoquartzite...
1963
Abstract: Wyoming Industrial Minerals — Or When a Rock is Not a Rock!
Ray Harris
Earth Science Bulletin (WGA)
... in several places and crushed for construction aggregate and railroad ballast (the rock used to weight ties and carry the railroad bed). Clinker (baked...
1985