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The AAPG/Datapages Combined Publications Database
Showing 2,430 Results. Searched 197,438 documents.
Volcaniclastic Strata of the Upper Jurassic Santiago Peak Volcanics, San Diego, California
Duane C. Balch, Sarah H. Bartling, Patrick L. Abbott
Pacific Section SEPM
...^ and B 2 . Although 88 m of section are covered with blue-green algae, observations of sedimentary cycles based on rock hammer outcrops and erosional...
1984
Cenozoic Volcanic and Tectonic Evolution of Baja California Sur, Mexico
Brian P. Hausback
Pacific Section SEPM
.... Outcrop of an andesitic lahar in the lower Comondu Formation of the San Juan de la Costa area. The hammer is 0.5m long for scale. Note the matrix...
1984
PALEOECOLOGY OF ECHINODERMS IN COLD SEEP ENVIRONMENTS REVEALED BY ISOTOPE ANALYSIS IN THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY
MOE KATO, TATSUO OJI, KOTARO SHIRAI
PALAIOS
... and TEM analyses of modern platform carbonates: Chemical Geology, v. 175, p. 221–248. HRYNIEWICZ, K., NAKREM, H.A., HAMMER, Ø., LITTLE, C.T S., KAIM...
2017
OXYGEN ISOTOPIC COMPOSITION OF CONODONT APATITE IN THE EQUATORIAL EPEIRIC BELARUSSIAN BASIN (EIFELIAN) RELATIONSHIP TO FLUCTUATING SEAWATER SALINITY AND TEMPERATURE
MAREK NARKIEWICZ, KATARZYNA NARKIEWICZ, EWA KRZEMIŃSKA, SEMEN A. KRUCHEK
PALAIOS
..., GRADSTEIN, F.M., AND HAMMER, O., 2012, The Devonian Period, in F.M. Gradstein, J.G. Ogg, M. Schmitz, and G. Ogg (eds.), The Geologic Time Scale 2012...
2017
Early Diagenetic Dolomites and the Origin of Dolomite-Bearing Breccias, Lower Monterey Formation, Arroyo Seco, Monterey County, California
Robert E. Garrison, Stephen A. Graham
Pacific Section SEPM
... zone off Peru and Chile (Veeh et al., 1973; Burnett, 1977, 1980). 90 Garrison, Robert E. and Graham, Stephen A. Figure 3. Hammer rests on large...
1984
Use of Ceramic Sherds for Stratigraphic and Process Interpretations of Recent Coastal Deposits in Malaysia
T. T. Khoo
Geological Society of Malaysia (GSM)
... be extracted by a hammer, and not by a knife for example. The pebbles are mainly quartz, laterite and quartzose schist, the general lithology...
1999
Carbonate Borers--Their Role in Reef Ecology and Preservation: Reef Biota
John E. Warme
AAPG Special Volumes
... notches and carbonate cliff sapping provide prime examples of bioerosion on dead surfaces, where the work of borers is especially evident if a hammer...
1977
A LATE ORDOVICIAN PLANKTIC ASSEMBLAGE WITH EXCEPTIONALLY PRESERVED SOFT-BODIED PROBLEMATICA FROM THE MARTINSBURG FORMATION, PENNSYLVANIA
MIKE B. MEYER, G. ROBERT GANIS, JACALYN M. WITTMER, JAN A. ZALASIEWICZ, KENNETH DE BAETS
PALAIOS
..., person for scale. C) A close-up of the bedding at the outcrop, rock hammer for scale. D) Image of fossil-bearing slab freshly collected. Weathering...
2018
Recognizing Non-Steady-State Weathering Conditions In Ancient Submarine Fan Systems: Correcting For K-Metasomatism Reveals A Late Cretaceous Non-Steady-State Weathering Regime, Point Loma Formation, Southwestern California, U.S.A.
Marcelo Azevedo, Jason R. Parizek, Heather N. Webb, Kristen N. Dennis, Matthew T. Dorsey, Nicole C. Fenton, Craig M. Hall, Gary H. Girty
Journal of Sedimentary Research (SEPM)
... samples of mudstone and sandstone characteristic of the Point Loma Formation were collected with hammer and chisel for thin-section and geochemical analysis...
2017
Sedimentology of Great Salt Lake
M. Dane Picard, Lee R. High Jr.
Utah Geological Association
... on camera lens. Figure 14. Algal mounds and ripple-marked oolite in western shore area, summer of 1968. Hammer for scale. Figure 15. Close-up of algal...
1985
Association Between Wave- and Current-aided Hyperpycnites and Flooding Surfaces in Shelfal Mudstones: an Integrated Sedimentologic, Sequence Stratigraphic, and Geochemical Approach
Ryan D. Wilson,, Juergen Schieber
Journal of Sedimentary Research (SEPM)
... of fluvial-discharge events in a sequence stratigraphic framework. Fig. 1. Generalized chronostratigraphic chart for Middle–Late Devonian strata...
2017
Impact of Upwelling On Heterozoan, Biosiliceous, and Organic-rich Deposits: Jurassic (oxfordian) Hanifa Formation, Saudi Arabia
Hassan A. Eltom, Eugene C. Rankey, Stephen T. Hasiotis, Luis A. Gonzalez, Dave A. Cantrell
Journal of Sedimentary Research (SEPM)
..., Manivit, J., Manivit, H., and Vaslet, D., 1990, Stratigraphie sequentielle du Jurassique et du Cretace en Arabie Saoudite: Société Géologique de France...
2017
Depositional Environments of Upper Cretaceous and Lower Tertiary Strata Near Nacimiento Lake, Central California Coast Ranges
Karen Grove
Pacific Section SEPM
.... Hammer length equals 0.25 meters. Figure 12. Alternating conglomerate and sandstone layers from within the shallow-marine facies. Field book for scale...
1986
The chironomids (Diptera: Chironomidae) of shallow lakes of the humid Pampa Region, Argentina: an approach to paleoproductivity reconstruction
Fernanda Montes De Oca, Marcela S. Tonello, Julieta Massaferro, M. Sofia Plastani, Cecilia Laprida
PALAIOS
... the summers of 2013 and 2014, surface sediment samples (Fig. 1) were retrieved at the deepest parts of 19 lakes. Eleven lakes were sampled using a hammer-corer...
2020
The first evidence of bioerosion in chitinous lacustrine microfossils from glacial lakes (late Pleistocene and Holocene, Bohemian Forest)
Katarína Holcová, Vladimír Suchánek, Zuzana Heřmanová, Daniel Vondrák
PALAIOS
... diameter 0.06 ı m) and a pneumatic hammer. The drilling site was located in the northwestern part of the infilled lake basin (4984.1233 0 N, 13824.1783...
2020
Metazoan reef construction in a Middle Ordovician seascape: a case study from the Mingan Archipelago, Quebec
Amelia Penny, André Desrochers, Björn Kröger
PALAIOS
... at ˆle du Fantˆ me. A) Intra-Mingan unconformity at Anse au Michel, showing complex local relief. I o Geological hammer is ~ 0.3 m long. B) Bioherm...
2020
Tectonic Framewirk of Basement Thrust Terrane, Northern Tendoy Range, Southwest Montana
Dean P. DuBois
Rocky Mountain Association of Geologists
..., NORTHERN TENDOY RANGE Figure 4. Photograph of outcrop of Jefferson formation showing upright bedding below hammer truncated by a minor thrust fault...
1982
Lacustrine Environment: Chapter 2: PART 1
Walter E. Dean, Thomas D. Fouch
AAPG Special Volumes
... is fed by alkaline hot springs that create perennial water bodies at the lake margins even during the dry season. Note hammer for scale. Photograph...
1983
Relationship Brtween the Kishenehn Basin, and the Flathead Listric Normal Fault System and Lewis Thrust Salient
Kurt Constenius
Rocky Mountain Association of Geologists
... to an outer radius of approximately 22 km, using the Hammer chart. Values of the terrain corrections ranged from 3 mgal near West Glacier, Montana...
1982
Devonian Carbonate-Breccia Units in Aouthwestern Montana and Idaho; A Review of Bressiating Mechanisms
John W. M'Gonigle
Rocky Mountain Association of Geologists
.... Polymict breccia pipe on left cutting dolomite bed under hammer. Pipe formed along normal fault in gully, left center of Figure 11. Figure 13. Specimen...
1982
Middle Cretaceous Stratigraphy on the South Side of the Uinta Basin, East-Central Utah
C. M. Molenaar, W. A. Cobban
Utah Geological Association
... of the Mancos Shale at control point 27 (Grassy surface section, Figure 2). Geology hammer shown for scale. Calcarenite is a common constituent...
1991
Principles of Cementation and Porosity—Occlusion in Upper Cretaceous Sandstones, Rocky Mountain Region
Alonzo D. Jacka
Wyoming Geological Association
... break across grains when struck by a hammer. The term orthoquartzite has been rather loosely employed to designate sandstones showing degrees of silica...
1970
Measurement and Analysis of Fractures in Core
John C. Lorenz, Robin E. Hill
Rocky Mountain Association of Geologists
... to the core that is commonly associated with the sledge hammer/gravity-feed method on the rig floor, and preserves the smaller pieces of core, along...
1992
Development of the Cretaceous Forearc Basin of Central California
Raymond V. Ingersoll
Pacific Section SEPM
... facies association. a. Pebbly sandstone and imbricated conglomerate (Facies A) deposited in inner-fan channel complex; hammer parallel to bedding...
1988
Mediterranean Imprint on Coral Diversity in the Incipient Red Sea (Burdigalian, Saudi Arabia)
Chiara Pisapia, Guillem Mateu Vicens, Francesca Benzoni, Hildegard Westphal
PALAIOS
... along sections and documented photographically. Representative specimens were collected with hammer and chisel for further morphological identi...
2024