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The AAPG/Datapages Combined Publications Database
Showing 2,422 Results. Searched 196,426 documents.
Orientation Analysis of Trough Cross Stratification in Upper Cambrian Sandstones of Western Wisconsin
Peter C. Michelson, R. H. Dott, Jr.
Journal of Sedimentary Research (SEPM)
...") within the Tunnel City Group; hammer for scale. (Hwy. 16, west Tomah, Wisconsin). End_Page 791------------------------ The greater apparent...
1973
Variations in Sediment Extrusion in Basin-floor, Slope, and Delta-front Settings: Sand Volcanoes and Extruded Sand Sheets from the Namurian of County Clare, Ireland
R. Jonk, B. T. Cronin, A. Hurst
AAPG Special Volumes
.... Bedding is horizontal, and the view is on a bedding plane. Note the cleavage development (dashed lines) in the mudstone. Hammer (30 cm; 12...
2007
Lithofacies and Sedimentation of Lower Permian Carbonate of the Leonard Mountain Area, Glass Mountains, Western Texas
Romeo M. Flores, Terry L. McMillan, George E. Watters
Journal of Sedimentary Research (SEPM)
...-framework grains of the calcirudite lithofacies. The hammer is 32 cm long. End_Page 1614----------------------- and inverse grading, that is, fine...
1977
Depositional History of the Lamotte Sandstone of Southeastern Missouri
David W. Houseknecht , Frank G. Ethridge
Journal of Sedimentary Research (SEPM)
... channel origin interbedded with sheetflood deposits in Section 2. FIG. 9. [Grey Scale] Interbedded fine grained sandstone of backbar origin (behind hammer...
1978
Late Pleistocene Fan-Deltas Along the Dead Sea Rift
Amihai Sneh
Journal of Sedimentary Research (SEPM)
... (Devonian): Geol. en Mijnbouw, v. 16e, p. 25-47. WYSSLING, L. E., AND ZIEGLER, P. A., 1955, Geological Report, G12, on further investigations...
1979
Sedimentology of Nearshore Marine Bar Sequences from a Paleozoic Depositional Regressive Shoreline Deposit of the Central Coast of Ghana, West Africa
Cheng K. Ly
Journal of Sedimentary Research (SEPM)
... (a) and cross-stratified sets (b). Slump structures (c) are common. Size of hammer is 37 cm. End_Page 202------------------------ The climbing...
1982
Heath-Amsden Strata in Central Montana
Philip A. Mundt
AAPG Bulletin
..." were described, and the name Tyler sand was proposed for them. Hammer and Lloyd (1926) recognized the presence of a post-Madison depositional basin...
1956
Clastic Intrusions in Deep-Sea Fan Deposits of the Rosroe Formation, Lower Ordovician, Western Ireland
Jean B. Archer
Journal of Sedimentary Research (SEPM)
... under the hammer shaft are clastic sills. B) Banding in the lower of the two clastic sills. C) Detail, immediately left of the hammer shaft...
1984
Devonian Magadi-Type Cherts in the Orcadian Basin, Scotland
John Parnell
Journal of Sedimentary Research (SEPM)
... of nodules. Note that nodules to right of hammer are not isolated but overlap each other; Noust lower chert bed. Nodules in Figures 3 and 4 nucleated...
1986
Water-Escape Structures in Coarse-Grained, Volcaniclastic, Fluvial Deposits of the Ellensburg Formation, South-Central Washington
Samuel Y. Johnson
Journal of Sedimentary Research (SEPM)
... interior, and the moderate relief at the top of the pillar. Hammer (in lower middle of pillar interior) for scale. FIG. 4. [Grey Scale] Large pillar...
1986
Siliciclastic Stromatolites and Thrombolites, Late Miocene, S.E. Spain
Jose M. Martin, Juan C. Braga, Robert Riding
Journal of Sedimentary Research (SEPM)
... communautes bioconstructices animales et vegetales a la fin du Miocene en Mediterranee occidentale: biologie et sedimentologie: Bulletin Centre Recherche...
1993
Analytical Problems in Determining Hydrocarbons in Sediments
William S. Ferguson
AAPG Bulletin
... to ¼-inch pieces, which subsequently were passed once through a End_Page 1613------------------------------ hammer mill (Metals Disintegrating Co...
1962
Evaporite-Solution Brecciation and Devonian Carbonate Reservoir Porosity in Western Canada
F. W. Beales , A. E. Oldershaw
AAPG Bulletin
... of observation. (Scale: 18-in. hammer.) B. Detail of collapse and brecciation of another expansion blister at Dingwall. Broken surfaces of pale blue-gray...
1969
Shale brittleness prediction using machine learning—A Middle East basin case study
Ayyaz Mustafa, Zeeshan Tariq, Abdulazeez Abdulraheem, Mohamed Mahmoud, Shams Kalam, and Rizwan Ahmed Khan
AAPG Bulletin
... of determination (R2) of 0.971. The input parameters, used for brittleness prediction, were obtained from a tunneling project including Schmidt hammer rebound...
2022
Defining Mechanical and Compositional Heterogeneity of Highly Siliceous Mudstones: Upper Monterey Formation, Belridge Oil Field, San Joaquin Basin, California; #51431 (2017)
Ryan M. Weller, Richard J. Behl
Search and Discovery.com
... by a Proceq Bambino rebound hammer, is used to quantify mechanical heterogeneity. Results indicate that porosity is the principle influence on hardness...
2017
Encrustation in nautilids: a case study in the cretaceous species Cymatoceras perstriatum, Neuquén Basin, Argentina
Leticia Luci, Marcela Cichowolski
PALAIOS
... category. Finally, the Shannon–Wiener (H; including Hmax as the natural logarithm of the richness; see Hammer and Harper 2006), Simpson’s Dominance (see...
2014
Pedogenetic Calcretes In Early Syn-Rift Alluvial Systems (Upper Jurassic, West Cameros Basin), Northern Spain
Sara Sacristán-Horcajada, María Eugenia Arribas, Ramón Mas
Journal of Sedimentary Research (SEPM)
... en el sector occidental de la Cuenca de Cameros (Cordillera Ibérica): Sociedad Geológica de España, Revista, v. 11, p. 253– 269. Mas, J.R., Alonso...
2016
INCORPORATING TAPHONOMY INTO COMMUNITY-BASED PALEOENVIRONMENTAL RECONSTRUCTIONS: CAN DIATOM PRESERVATION DISCRIMINATE AMONG SHALLOW LAKE SUB-ENVIRONMENTS?
GABRIELA S. HASSAN, LUCIANA A. ROJAS, CLAUDIO G. DE FRANCESCO
PALAIOS
... and further ANOVA tests were performed using the software PAST version 3.14 (Hammer et al. 2001). Second, a PCoA (Principal Coordinates Analysis...
2018
Increase in carbonate contribution from framework-building metazoans through early Cambrian reefs of the western Basin and Range, USA
David R. Cordie, Stephen Q. Dornbos, Pedro J. Marenco
PALAIOS
...) at Bristlecone Trail. A) Carbonate bioherm surrounded by green shale. Hammer for scale. B) Poorly preserved archaeocyath? or coated grain from bioherm...
2019
Body size trends in Trigoniida bivalves from the Mesozoic Kutch, India
Debattam Sarkar, Shubhabrata Paul, Ranita Saha, Subhendu Bardhan, and Purbasha Rudra
PALAIOS
... studied at varied taxonomic levels, ranging from the phylum (Novack-Gottshall and Lanier 2008; Sigurdsen and Hammer 2016) to genus (Hunt and Roy 2006...
2022
Conglomerates and Breccias in the Monterey Formation and Related Units as Reflections of Basin Margin History
Robert E. Garrison, Pedro C. Ramirez
Pacific Section SEPM
... cm thick slump folded layer at right is overlain by several thinner slump folded layers at left. Rock hammer at lower right for scale. .—I i 1 HI^m 1...
1989
Uplifting mountains and shaking deserts: volcano-tectonic earthquakes revealed by soft-sediment-deformation structures in Upper Cretaceous aeolian deposits
Luciano Alessandretti, Lucas V. Warren, Filipe G. Varejão, Raul Rassi, Maurício G.M. Dos Santos, Mariana N.M. Silva, Fernando R. Honorato, Michele J.T. Estrada, João V.O. Cunha
Journal of Sedimentary Research (SEPM)
...). The coin in C is 2.1 cm in diameter, and the geologic hammer in D is 28 cm long. Although lateral facies variability is hindered by discontinuous...
2023
The Cadomin Formation: Stratigraphy, Sedimentology, and Tectonic Implications
J. R. McLean
CSPG Bulletin
...------------------------ Figure 1. Location map. End_Page 794------------------------ Table 1. Stratigraphic chart for Alberta and British Columbia. End_Page 795...
1977
Storm- and Tide-Influenced Prograding Shoreline Sequences in the Middle Devonian Mahantango Formation, Pennsylvania
William L. Duke, Anthony R. Prave, PennStrat
CSPG Special Publications
... on Fig. 26). Hammer (upper center) provides scale. The siltstones and sandstones in this facies typically display a wide variety of trace fossils...
1991
Stratigraphy and Sedimentology of the Upper Cambrian Strites Pond Formation, Philipsburg Group, southern Quebec, and implications for the Cambrian Platform in Eastern Canada
O. Salad Hersi,, D. Lavoie, G. S. Nowlan
CSPG Bulletin
... rocks in New York State. New York State Museum, Map and Chart Series No. 25, 75 p. Frisia, S. 1994. Mechanisms of complete dolomitization...
2002