Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 2,973 Results. Searched 200,626 documents.
My Favorite Outcrop — The Sylvan Shale, the Hunton Group, and the Woodford Shale
R. L. Neman
Oklahoma City Geological Society
... basic nodules (or concretions) can be found in the Woodford, but it is rare that all three are found at the same outcrop: small, gray, phosphatic...
2011
Uranium in Northern Colorado and Southern Wyoming
Eugene W. Grutt Jr., Jerry F. Whalen
Rocky Mountain Association of Geologists
... be recognized, but uranium is thought to be present in phosphatic sandstones, which sometimes contain in excess of 4% PzO~. These deposits are not productive...
1955
Mineralogy of the Lower Jurassic in West Central Alberta
R. E. Deere,, P. Bayliss
CSPG Bulletin
.... Conglomerate at Poker Chip Shale Member base consisting of sub-rounded phosphatic grains (black), quartz and chert grains (grey), and aggregate grains...
1969
Regional Sequence Stratigraphy of the Upper Cretaceous La Luna Formation in the Magdalena Valley Basin, Colombia.
Henry A. Galvis-Portilla, I Camilo HIguera-Diaz, Sandra Cespedes, Cesar Ivan Ballesteros, Silvia Forero, Nelbett Marfisi, Maria Cantisano, Edgar Pineda, Zarith Pachon, Roger M. Slatt, Rigo Ramirez, Georgina Guzman, Angela Torres
Unconventional Resources Technology Conference (URTEC)
... wackestones, phosphatic and chert beds. Our correlations for this part of the basin show the regional development of three these sequences with similar...
2014
Post-Depositional Alteration of the Carbonate-Fluorapatite Phase of Moroccan Phosphates
J. M. Mcarthur
Special Publications of SEPM
... exposed to weathering The effects of have I was Cap Blanc deposition of Eocene phosphatic limestones was followed by uplift associated...
1980
Third-Order Depositional Sequences of the Mesozoic Succession of Sverdrup Basin
Ashton F. Embry, James A. Podruski
CSPG Special Publications
... thick, transgressive phase, starved basin, phosphatic bone bed (condensed deposit). The basal portion of this unit contains clasts of the underlying...
1988
The Occurrence of Moissanite (Silicon Carbide) in Sediments
Robert D. Ohrenschall , Charles Milton
Journal of Sedimentary Research (SEPM)
... from the samples examined. A phosphatic nodule from the Maury green shale of Tennessee weighing about 25 grams yielded about 20 particles of moissanite...
1931
Middle and Late Ordovician Sea Level Change in the Northern Margin of Yangtze Platform, P.R. China
Jianqin Chen, Christopher R. Barnes
Pacific Section SEPM
... Platform during the Llanvirn-Llandeilo transition. The phosphatic composition of this packstone with oncolites and intraclasts probably indicates...
1995
Vein Formation in Relation to Burial Diagenesis in the Miocene Monterey Formation, Arroyo Burro Beach, Santa Barbara, California
Peter Eichhubl, James R. Boles
Pacific Section SEPM
... and organic matter, is composed of diatomite, porcelanite, chert, siliceous and phosphatic clay shale, and authigenic dolostone (Isaacs, 1981a, c...
1998
Memorial: Elmer M. Schell (1930-1986)
John R. Dyni, Jimmy E. Goolsby
AAPG Non-Technical and Memorials
... of the areas requiring sampling were remote and accessible only by foot or horse. Because the phosphatic interval seldom cropped out, trenches dug...
1988
Heavy Mineral Studies on Correlation of Sands at Kettleman Hills, California
M. N. Bramlette
AAPG Bulletin
... with the carbonates, and removes most of the phosphatic pellets or "sporbo." The dilute acid is not strong enough to affect the more stable minerals, FOOTNOTE 6...
1934
New Metal Isotope Techniques to Explore Past Depositional Environments of the Centralian Superbasin, Australia
Juraj Farkas, Alan Collins, Stefan Löhr, Charles Verdel, Morgan Blades, Chris Holmden, Susanne Schmid, Yuexiao Shao, Darwinaji Subarkah, Robert Klaebe, Shaun Yardley
Petroleum Exploration Society of Australia (PESA)
... of selected marine carbonate or phosphatic phases and/or suitable micro fossils (conodonts, brachiopods, etc). New metal isotope techniques to explore...
2022
Jurassic Sections in Foothills of Alberta and Northeastern British Columbia: Stratigraphy
J. Spivak
AAPG Special Volumes
... predominantly of black limestones and calcareous shales with abundant chert fragments and locally phosphatic nodules; it is well exposed in the Nordegg...
1954
Fault-Controlled Freshwater Lenses within the Saline Aquifer of Coastal Brevard and Indian River Counties, Florida
Hugh J. Mitchell-Tapping
GCAGS Transactions
... amounts of black to brown phosphatic material. The carbonate beds consist of sandy, hard, recrystallized, phosphatic, limestone with some brown...
1995
Carbonate Facies and Paleogeography of the Blackjack Creek Formation (Pennsylvanian), Missouri: DISCUSSION
Gerard W. James
Journal of Sedimentary Research (SEPM)
...: a thin marly shell coquina, a thick middle zone of phosphatic dark grey-black clayshale, and a thin upper zone of more oxidized lighter-colored...
1970
Clarification of Upper Cambrian Stratigraphy in Oklahoma: GEOLOGICAL NOTES
E. A. Frederickson
AAPG Bulletin
... genera of trilobites and an abundance of phosphatic brichiopods. The trilobites are three new genera which will be illustrated and described...
1948
Jurassic Sections in Foothills of Alberta and Northeastern British Columbia
J. Spivak
AAPG Bulletin
... and locally phosphatic nodules; it is well exposed in the Nordegg area and has been called the Nordegg member by geologists of various oil companies. End...
1949
Continental Shelf--Southern California
K. O. Emery
AAPG Bulletin
... and the Ventura basins, the Miocene rocks are covered by Pliocene beds. A thin patchy blanket of Recent and possibly Pleistocene glauconitic phosphatic...
1951
Phosphogenic Provinces of Circum-Pacific Region
Richard P. Sheldon
AAPG Special Volumes
... of an organized collection of geologic data on phosphatic rocks of both igneous and sedimentary origin. Table 3. Resources of Oceanic Insular...
1981
Permian Outcrops in Western Duchesne County, Utah: GEOLOGICAL NOTES
E. L. Yochelson , T. M. Cheney , Dianne Van Sickle , D. H. Dunkle
AAPG Bulletin
...--Meade Peak phosphatic shale member of Phosphoria formation--in western Wyoming. Wilson (1949) suggested that similar structures from the Vale...
1961
Stratigraphic Analysis of Source-Bed Occurrences and Reservoir Oil Gravities
Harold J. Holmquest
AAPG Bulletin
..., or phosphatic limestone. Crude oil in the Ellenburger of West Texas originated in shale source beds in the Simpson, Woodford, and Lower Pennsylvanian, each...
1966
Pore types in the Barnett and Woodford gas shales: Contribution to understanding gas storage and migration pathways in fine-grained rocks
Roger M. Slatt, Neal R. O'Brien
AAPG Bulletin
... with layers of clay-silt shale matrix (Figure 7B).Figure 7. (A) Fecal pellet (arrow) in Barnett Shale phosphatic lithofacies (Singh, 2008). Note the random...
2011
ABSTRACT: Comparative Sequence Stratigraphy and Organic Geochemistry of North American Unconventional Gas Shales: Commonality or Coincidence?; #90122 (2011)
Roger M. Slatt and Norelis Rodriguez
Search and Discovery.com
... River shales, attesting to reducing conditions in the depositional environment. Phosphatic nodules are also present in the Barnett, Woodford...
2011
Abstract: An Overview of Shale Gas Potential in Northeastern British Columbia; #90171 (2013)
Vic M. Levson
Search and Discovery.com
... – Dawson Creek region. Both the Montney and Doig formations contain significant quantities of organic carbon that is concentrated in phosphatic shale tens...
2013
Shale Gas Potential for the Ordovician Shale Succession of Southern Ontario, #50730 (2012)
Catherine Beland Otis
Search and Discovery.com
...-rich black shales. The contact of the Blue Mountain Formation with the underlying Collingwood Member is characterized by a phosphatic bed a few...
2012