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The AAPG/Datapages Combined Publications Database
Showing 18,433 Results. Searched 200,616 documents.
Relation of Hydrocarbon Occurrence to Thermal Maturity of Organic Matter in the Upper Cretaceous Niobrara Formation, Eastern Denver Basin: Evidence of Biogenic Versus Thermogenic Origin of Hydrocarbons
Dudley D. Rice
Rocky Mountain Association of Geologists
... chalks, consisting predominantly of calcareous nannofossils and ,microfossils, that are characterized by high porosity (30to 45 percent) and low...
1984
Laminites: A Structure of Flysch-Type Sediments
Augustin Lombard
Journal of Sedimentary Research (SEPM)
... Prealps The calcareous Priabonian Series belongs to the Mieussy syncline, near Sommand (High Savoy, France). The monotonous succession of laminites I...
1963
Baum Limestone Member of Paluxy Formation, Lower Cretaceous, Southern Oklahoma: GEOLOGICAL NOTES
John Rex Wayland
AAPG Bulletin
...) PECK, R. E., 1941, "Lower Cretaceous Rocky Mountain Nonmarine Microfossils," Jour. Paleon., Vol. 15, pp. 285-304. TAFF, J. A., 1903, "Tishomingo...
1954
Triassic Sequence Stratigraphy in the Western Part of the Northern Calcareous Alps (Austria)
Thomas Rüffer, Thilo Bechstãdt
Special Publications of SEPM
...Triassic Sequence Stratigraphy in the Western Part of the Northern Calcareous Alps (Austria) Thomas Rüffer, Thilo Bechstãdt Copyright © 2012, Society...
1998
Ocean Acidification in Modern Seas and its Recognition in the Geological Record: The Cretaceous/Paleogene Boundary in Texas and Alabama
Malcolm B. Hart, Andrew D. Leighton, Christopher W. Smart, Laura R. Pettit, Iba N. Medina-Sánchez, Peter J. Harries, Andrés L. Cárdenas, Jason M. Hall-Spencer, Rosa Maria Prol-Ledesma
GCAGS Transactions
... pH beginning to impact on the calcification of foraminifera, pteropods, calcareous nannoplankton and other invertebrate groups. Our work...
2014
Glauconite Composition and Morphology, Shocked Quartz, and the Origin of the Cretaceous(?) Main Fossiliferous Layer (MFL) in Southern New Jersey, U.S.A.
Christian C. Obasi, Dennis O. Terry Jr., George H. Myer, David E. Grandstaff
Journal of Sedimentary Research (SEPM)
... microfossils, along with reworked invertebrate fossils with infills of latest Cretaceous sediment, have been recovered from the MFL. The association...
2011
Upper Quaternary Strata of the Upper Continental Slope, Northeast Gulf of Mexico: Sequence Stratigraphic Model for a Terrigenous Shelf Edge
Robert D. Winn, Jr. , Harry H. Roberts , Barry Kohl , Richard H. Fillon , Jason A. Crux , Arnold H. Bouma , Howard W. Spero
Journal of Sedimentary Research (SEPM)
.... CONSTANS, R.E., AND PARKER, M.E., 1986, Calcareous nannofossil biostratigraphy and paleoclimatic indices for the late Quaternary, Deep Sea Drilling...
1998
FORAMINIFERAL FAUNAS IN THE CRETACEOUS MONTANA GROUP OF SOUTHWESTERN SASKATCHEWAN
W. G. E. CALDWELL, B. R. NORTH
Williston Basin Symposium
... Conference and Symposium, p. 15 8-175, 3 pls. Nauss, A. W., 1947, Cretaceous microfossils of the Vermilion area, Alberta: Jour...
1964
MESOZOIC STRATIGRAPHY OF THE DAKOTA BASIN
JOHN PAUL GRIES
Montana Geological Society
... glauconitic, ripple-marked sandstone. Stockade Beaver shale member—5-85'—gray calcareous fissile shale...
1952
Pre-Chester Mississippian Rocks of Northwestern Oklahoma
Edward Arthur Hoffman Jr.
Oklahoma City Geological Society
..., p. 2-13. Weller, J. M., 1960, Stratigraphic principles and practices: Harper and Brothers, New York, 725 p. Urban, J. B., 1960, Microfossils...
1964
Overview of the history and geology of the Savannah River Site
Douglas E. Wyatt, Mary K. Harris
Environmental Geosciences (DEG)
...- to high-energy, marine, middle-shelf depositional environments. Based on calcareous microfossils and dinoflagellates, the Santee Formation represents...
2004
Pelagic Chalks and Calciturbidites from the Lower Tertiary of the Troodos Massif, Cyprus
A. H. F. Robertson
Journal of Sedimentary Research (SEPM)
...), The Troodos Massif of Cyprus is blanketed by a sequence of predominantly calcareous pelagic sediments ranging in age from Upper Cretaceous to Middle Miocene...
1976
Origin of Crow Creek Member of Pierre Shale in Central South Dakota
Dwight R. Crandell
AAPG Bulletin
... of this notably coarser and more calcareous unit in a formation that in central South Dakota consists almost wholly of shale and claystone is believed...
1952
Age of Eocene/Oligocene Boundary Based on Extrapolation from North American Microtektite Layer
B. P. Glass, Jill R. Crosbie
AAPG Bulletin
... Foraminifera: Leg 22: Initial Repts. Deep Sea Drilling Project, v. 22, p. 635-655. Blechschmidt, G., 1976, Biostratigraphy of calcareous nannofossils...
1982
Chemical Composition of Thalassinoides Boxwork Across the Marine K–PG Boundary of Central New Jersey, U.S.A.
Robert J. Horner, Logan A. Wiest, Ilya V. Buynevich, Dennis O. Terry, Jr., David E. Grandstaff
Journal of Sedimentary Research (SEPM)
... sediment. Burrows originating above the MFL may translocate diagnostic Danian microfossils, shocked quartz, and Ir, effectively diffusing the K–Pg...
2016
Rapid diagenesis and microbial biosignature degradation in spring carbonates from Crystal Geyser, Utah, U.S.A.
Jon Lima-Zaloumis, Jack D. Farmer, Elizabeth Trembath-Reichert
Journal of Sedimentary Research (SEPM)
..., Travertines and calcareous tufa deposits: an insight into diagenesis: Geologia Croatica, v. 61, p. 363–378. Grey, K., and Awramik, S.M., 2020...
2024
Silica Diagenesis, I. Solubility Controls
Loretta Ann Williams , George A. Parks, David A. Crerar
Journal of Sedimentary Research (SEPM)
..., accounting for microfossils preserved in quartz rocks. Sedimentary fabrics of quartz cherts and porcelanites are often not appreciably different from...
1985
Abstract: Calcareous paleosols as indicators of climato-eustatic change in the Late Carboniferous Sydney Coalfield, Nova Scotia
S. K. Tandon, M. R. Gibling, W. G. Wightman
Atlantic Geology
...Abstract: Calcareous paleosols as indicators of climato-eustatic change in the Late Carboniferous Sydney Coalfield, Nova Scotia S. K. Tandon, M. R...
1994
The Cretaceous Geology of West-Central Alabama and Fossils of the Bluffport Marl: A field trip guide for teachers grades 6-8.
Charles C. Smith
Alabama Geological Society
... at today is composed of calcareous microfossils. Microfossils are fossils that are so small that they have to be observed with a microscope. There are many...
2001
Sediments of Fresh-Water Lakes
W. H. Twenhofel V. E. McKelvey
AAPG Bulletin
... of the Finger Lakes," Bull. Bur. Fisheries, Vol. 32, p. 547. 2. BRADLEY, W. H., 1931, "Origin and Microfossils of the Oil Shale of the Green River...
1941
Upper Paleogene Planktonic Correlations, Santa Barbara Area, California
Orville L. Bandy
Pacific Section SEPM
..., that the stratigraphically lower beds (Coldwater, Cozy Dell, etc.) are Middle Eocene. A second recent report on planktonic microfossils offers additional...
1972
Palynomorphs as Indicators of Facies Environments in Upper Cretaceous and Lower Tertiary Strata, Colorado and Wyoming
Robert H. Tschudy
Wyoming Geological Association
.... THALMAN, H. E. (1955), Practical Value of Some Microfossils, Bull. Amer. Assoc. Petrol. Geol., Vol. 39, pp. 1196-1201. TRAVERSE, A. (1955...
1961
Silicilied Micropeloid Structures from the 1.1 Ga Mescal Limestone, North-Central Arizona: Probable Evidence for Precambrian Terrestrial Life
Ray Kenny, David H. Krinsley
Rocky Mountain Association of Geologists
... microfossils in marine chcrts (Hoffman and Schopf, 1983; Vidal, 1984; Schopf, 1993), and prominent stromatolitic structures in the Prccarnbrian (Walter...
1998
Oxygen and Carbon Isotopic Stratigraphy of the Monterey Formation at Naples Beach, California
Benjamin P. Flower, James P. Kennett
Pacific Section of AAPG
... the input of terrigenous detritus and coincided with increased calcareous-siliceous marl deposition in marginal basins, marking the initiation of Monterey...
1994
Revision of Stratigraphy of Part of Cretaceous in Tyler Basin, Northeast Texas
Thomas L. Bailey, Frank G. Evans, W. S. Adkins
AAPG Bulletin
.... (February) The subsurface Lower Cretaceous (Comanche) of the East Texas basin is divided into formations by electric logs and microfossils. The Maness...
1945