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The AAPG/Datapages Combined Publications Database
Showing 2,430 Results. Searched 197,434 documents.
The Making and Unmaking of Limestones or the Downs and Ups of Porosity
Gerald M. Friedman
Journal of Sedimentary Research (SEPM)
... with sediments, including carbonate sediments is the shovel, whereas, by contrast, the trademark of the geologist concerned with limestone is the hammer...
1975
A Comparison of Holocene with Pleistocene Interglacial Periods Similarities and Differences
Douglas Carlson
GCAGS Transactions
..., v. 339, p. 532–533. Dansgaard, W., S. J. Johnsen, H. B. Clausen, D. Dahl-Jensen, N. S. Gundestrup, C. U. Hammer, C. S. Hvidberg, J. P. Steffensen...
2018
Sedimentation and Origin of a Late Precambrian 'Dolomite' from Scotland
Ian J. Fairchild
Journal of Sedimentary Research (SEPM)
... are formed. Scale at 5 cm intervals on hammer. FIG. 6. [Grey Scale] Rippled sub-facies, showing layered sand (light) and carbonaceous dolomitic claystone...
1980
Progradational Sequences in Miocene Shoreline Deposits, Southeastern Caliente Range, California
H. Edward Clifton
Journal of Sedimentary Research (SEPM)
... sandstone, marked by hammer, is incised into bedded fine sandstone. Bed marked by hammer is overlain by 20 to 30 cm of bedded fine sand stone that is in turn...
1981
Tidal Sedimentation from a Fluvial to Estuarine Transition, Douglas Group, Missourian--Virgilian, Kansas
William P. Lanier , Howard R. Feldman , Allen W. Archer
Journal of Sedimentary Research (SEPM)
...]: University of Nebraska, Lincoln, Nebraska, 206 p. TESSIER, B, 1990, Enregistrement des cycles tidaux en accretion verticale dans un milieu actuel, la baie...
1993
Stratigraphic Sedimentology of Tertiary Cool-Water Limestones, SE Australia
Thomas D. Boreen, Noel P. James
Journal of Sedimentary Research (SEPM)
... of the Chinaman Gully Formation (contact indicated by lower arrow). Maslin Beach, Willunga Embayment. Hammer at left center is 35 cm long. End_Page...
1995
Influence of the Ancestral Sweetgrass Arch on Sedimentation of the Lower Cretaceous Bootlegger Member, North-Central Montana
R. W. C. Arnott , F. J. Hein , S. G. Pemberton
Journal of Sedimentary Research (SEPM)
... upward change. In the lower FIG. 2. Correlation chart of upper Lower Cretaceous to lower Upper Cretaceous strata in west-central North America (modified...
1995
Chronostratigraphic and Depositional Sequences of the Fort Union Formation (Paleocene), Williston Basin, North Dakota, South Dakota, and Montana
J. C. Pashin and R. A. Gastaldo, Peter D. Warwick, Romeo M. Flores, Douglas J. Nichols, Edward C. Murphy
AAPG Special Volumes
.... Honey, and D. J. Nichols, 1991, Chart showing correlations of Upper Cretaceous Fox Hills Sandstone and Lance Formation, and lower Tertiary Fort Union...
2004
Chapter 151: An Ancient Submarine Canyon, Black’s Beach, La Jolla, California, USA
J. A. May, J. E. Warme
AAPG Special Volumes
... of a pebbly sandstone interpreted as a high-density turbidite, and also mapped as Torrey Sandstone. A rock hammer (circled) is shown for scale. D) An undercut...
2007
Anatomy and Evolution of a Slope Channel-Complex Set (Neoproterozoic Isaac Formation, Windermere Supergroup, Southern Canadian Cordillera): Implications for Reservoir Characterization
Ernesto Schwarz, R. William C. Arnott
Journal of Sedimentary Research (SEPM)
... breccia (MB). Hammer for scale. B) Photo and sketch of thin mudstone-clast breccia with low abundance of clasts and associated with a basal erosional bed...
2007
Source rocks in foreland basins: A preferential context for the development of natural hydraulic fractures
A. Zanella, P. R. Cobbold, N. Rodrigues, H. Løseth, M. Jolivet, F. Gouttefangeas, and D. Chew
AAPG Bulletin
... (hammer length: 33 cm). (C) Calcite beef from the Toarcian at Gélaucourt (coin diameter: 2.3 cm). Figure 7. (A) The U-Pb Tera-Wasserburg (TW) calcite...
2021
Shelf Model for Deep-Sea Flysch Turbidites and Implications for Outcrop Analogs, #70157 (2014)
Roger Higgs
Search and Discovery.com
... Chart). Beds with HCS are megastorm tempestites (millennial). Reported “slurry” and “hybrid beds” (cm-dm) and “slumps” (m) may, in fact, be in situ...
2014
Geology of the San Andreas Fault Zone and Adjoining Terrane, Juniper Hills and Vicinity, Los Angeles County, California
Allan G. Barrows
Pacific Section of AAPG
... and black metavolcanic cobbles to the left of the hammer handle result from tectonic polish of the cobbles in conglomeratic sandstone from localities near...
1987
Space, Things, Time, and Events--An Essay on Stratigraphy
Horacio J. Harrington
AAPG Bulletin
... the examination of the formation in numerous shallow holes poked with ou pick hammer in different places of the outcrop area. Moreover, the physical continuity...
1965
Taphonomy of vertebrate fossil assemblages from swampy circum-lake environments: An example from the late Eocene of Zambrana (Iberian Peninsula)
Ainara Badiola, Ana Berreteaga, Xabier Pereda-Suberbiola, Javier Elorza, Humberto Astibia, Nestor Etxebarria
PALAIOS
... for the category variables and the two samples (Z4 and Z6), and their relationships were analyzed by the PAST program (Hammer et al., 2001). Sediment...
2009
Escape traces associated with Rafinesquina alternata, an Upper Ordovician strophomenid brachiopod from the Cincinnati Arch region
Benjamin F. Dattilo, David L. Meyer, Keith Dewing, Matthew R. Gaynor
PALAIOS
... from Fairview Formation float in 1984. METHODS FIGURE 3—Chart of Upper Ordovician stratigraphic names for the Cincinnati region showing approximate...
2009
Quantitative analysis of taphofacies and paleocommunities in the early Cambrian Chengjiang Lagerstätte
Fangchen Zhao, Jean-Bernard Caron, Shixue Hu, Maoyan Zhu
PALAIOS
..., rarefied richness is influenced strongly by the evenness of the sample (Hammer et al., 2001; Magurran, 2004; Olszewski, 2004; Peters, 2004...
2009
Gilsonite Resources of the Uinta Basin, Utah
Taylor Boden, Bryce T. Tripp
Rocky Mountain Association of Geologists
... of the slope, which is the upper drift. A miner using a chipping hammer cuts a four-foot-high bench on the bottom of the slope. The miner then cuts...
2008
Paleoenvironmental interpretations based on foraminiferal abundance biozones, Mayo Limestone, Trinidad, West Indies, including alpha and beta diversities
Brent Wilson, Brian Jones, Kimberly Birjue
PALAIOS
... cluster, factor, principal components, and detrended canonical analyses (reviewed in Hammer and Harper, 2005). Each has its own advantages...
2010
Rate and Magnitude of Past Global Climate Changes
John P. Bluemle, Joseph M. Sabel, Wibjörn Karlén
Environmental Geosciences (DEG)
...., Gundestrup, N. S., Hammer, C. U., Hvidberg, C. S., Steffensen, J. P., Sveinbjörnsdottir, A. E., Jouzel, J., and Bond, G. (1993). Evidence...
1999
Depositions Environments and Diagenesis of the Madison Limestone, Northern Medicine Bow Mountains, Wyoming
David R. Lageson
Earth Science Bulletin (WGA)
...-bedding. Excellent example of wedge geometry. Rock hammer gives scale [arrow]. Southwest corner of Coad Mountain. Figure 10. Small-scale, tabular...
1977
Fossil Insects and Spiders from Three Locations in the Green River Formation of the Piceance Creek Basin, Colorado
Richard D. Dayvault, Larry A. Codington, David Kohls, William D. Hawes, Paula M. Ott, Dan Behnke
Grand Junction Geological Society
... a porcelaneous texture, ring when struck with the hammer. Pyrite and the associated minerals goethite and gypsum are commonly disseminated throughout...
1995
Stratigraphy of the Upper Guadalupian – Lower Ochoan (Permian) Strata in the Northwestern part of the Apache Mountains, West Texas: Part 2 of 2
Merlynd K. Nestell, Michael J. Sweatt, Walter L. Kennedy
West Texas Geological Society
.... Top: Laminated section in the road cut. The hammer handle marks are in 5 cm graduations. Bottom: Slab of sample DEF 5 (figure 3.46) showing soft...
2010
New insights on the taphonomy of the exceptional mammalian fossil sites of Cerro de los Batallones (late Miocene, Spain) based on rare earth element geochemistry
M. Soledad Domingo, Laura Domingo, Israel M. Sánchez, M. Teresa Alberdi, Beatriz Azanza, Jorge Morales
PALAIOS
... SPSS version 11.5 (SPSS, Inc., 2002) and PAST version 1.94 (Hammer et al., 2001). The mineralogy of selected samples was analyzed by X-ray...
2011
Abundance biozone boundary types and characteristics determined using beta diversity: An example using Pleistocene benthonic foraminifera in DSDP Hole 148, eastern Caribbean Sea
Brent Wilson, Ashleigh Costelloe
PALAIOS
... being calculated using the PAST program of Hammer and Harper (2005). Abundance biozone (AB) boundaries were drawn wherever a graph of lnE versus lnN...
2011