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The AAPG/Datapages Combined Publications Database
Showing 11,098 Results. Searched 200,673 documents.
Integrated Workflows for Drilling Optimization and Enhanced Production
Jakob Heller, Venkatesh Anantharamu, Andrew Lewis, Bruce Karr, Ron Bianco
Unconventional Resources Technology Conference (URTEC)
..., reliability, or timeliness of any information herein. All information is the responsibility of, and, is subject to corrections by the author(s). Any...
2023
Integrated Approach to Search for Stratigraphic Traps: Geologic Exploration Methods
D. C. Swanson
AAPG Special Volumes
... and permeability induced as a result of weathering and erosion associated with an unconformity. Depositional breaks may be major in the sense of wide geographic...
1972
Natroalunite in Upper Cretaceous Sedimentary Rocks, North-Central Texas
Clarence S. Ross , Harlan R. Bergquist , Watson H. Monroe , Joseph J. Fahey , Malcolm Ross
Journal of Sedimentary Research (SEPM)
... nodules or streaks of alunite apparently related to weathering." Two of the samples (3a and b) are sand nodules cemented by iron oxides and represent...
1968
The Moeraki Boulders--Anatomy of Some Septarian Concretions
J. R. Boles, C. A. Landis, P. Dale
Journal of Sedimentary Research (SEPM)
.... Calcareous marine organisms: J. Geol., v. 62, p. 266-283. CURTIS, C. D., 1978, Possible links between sandstone diagenesis and depth-related geochemical...
1985
Analytical Techniques and Tools for Rock Property and Oil Gravity Evaluation in Heavy-Oil and Tar-Sand Reservoirs: Section VI. Recovery
B. A. Bell, K. Karnes
AAPG Special Volumes
... organic carbon is present. However, if steam is used in the recovery process, high resource calculations may result since steaming will thermally crack...
1987
Siliceous Islands in a Carbonate Sea: Modern and Pleistocene Spring-Fed Wetlands in Ngorongoro Crater and Oldupai Gorge, Tanzania
Daniel M. Deocampo, Gail M. Ashley
Journal of Sedimentary Research (SEPM)
... and by marsh plants precipitating phytoliths. Despite the high silica content of East African waters due to the weathering of volcanic material...
1999
Lightning Analysis for Mapping Faults and Identifying Exploration Sweetspots; #41987 (2017)
H. Roice Nelson, Jr.
Search and Discovery.com
...), peak-to-zero (microseconds), number of sensors recording the strike, the major and minor axis of triangulated location calculations, and chi-squared...
2017
Durability characterisation of weathered sedimentary rocks using slake durability index and jar slake test
Wong Jia Mang, Abdul Ghani Md Rafek
Geological Society of Malaysia (GSM)
..., Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak *Corresponding author email address: [email protected] Abstract: Weathering causes...
2018
Multidisciplinary thermal maturity studies using vitrinite reflectance and fluid inclusion microthermometry: A new calibration of old techniques
Rick C. Tobin, Brenda L. Claxton
AAPG Bulletin
... of maximum burial temperature, and (2) the potential sources of error involved in applying accurate pressure corrections and in converting pressure-corrected...
2000
Oxygen Isotope Study of Diagenetic Quartz Overgrowths from the Upper Proterozoic Quartzites of Western Mali, Taoudeni Basin: Implications for Conditions of Quartz Cementation
Jean-Pierre Girard , Max Deynoux
Journal of Sedimentary Research (SEPM)
... evidence, suggest that quartz cementation took place relatively early after deposition, at shallow depth and low temperature from meteoric fluids...
1991
Golden Grove Dolomite, Barbados: Origin from Modified Seawater
Hans G. Machel , Elizabeth A. Burton
Journal of Sedimentary Research (SEPM)
..., these fractionations were subtracted for calculations of equilibrium 13CDIC from measured 13C of dolomites. 13C of waters that would have precipitated...
1994
Alteration Products of Glauconite in Burgan Oil Field, Kuwait
M. A. El-Sharkawi, S. A. Al-Awadi
Journal of Sedimentary Research (SEPM)
... conditions. Unconformities can be demarcated with confidence by studying the chemical weathering of unarmored glauconite which results...
1982
Aragonite Crystal Fans In Neoproterozoic Cap Carbonates: A Case Study From Brazil and Implications For the Post–Snowball Earth Coastal Environment
Lucieth C. Vieira, Anne Nédélec, Sébastien Fabre, Ricardo I. F. Trindade, Renato Paes de Almeida
Journal of Sedimentary Research (SEPM)
...: Nature, v. 296, p. 214– 219. Fabre, S., and Berger, G., 2012, How tillite weathering induced cap carbonate deposition during the Snowball Earth aftermath...
2015
Subsidence and Sedimentation on Jurassic Passive Continental Margin, Southern Alps, Italy
Edward L. Winterer , Alfonso Bosellini
AAPG Bulletin
... The calculations are summarized in Table 1 and are shown graphically in Figures 23, 24, and 25. These depth and subsidence estimates are of course no better than...
1981
The northern Gulf of Mexico offshore super basin: Reservoirs, source rocks, seals, traps, and successes
John W. Snedden, Robert C. Cunningham, and Jon W. Virdell
AAPG Bulletin
... during OAE2 and the relationship between water depth and black shale development: Paleoceanography and Paleoclimatology, v. 32, no. 12, p. 1316–1335...
2020
AN UPPER CRETACEOUS SECTION NEAR MOSBY, MONTANA
W. A. COBBAN
Montana Geological Society
... gray: weathers brown or gray, basal and uppermost parts finely sandy; contains brownish—weathering sandy, calcareous...
1953
Spheroidal Weathering in Marls and Chalks of Gebel Gurnah Near Luxor, Southern Egypt
Amin R. Gindy , Ahmad J. Al-Shakiry, Nadi A. Sa'ad
Journal of Sedimentary Research (SEPM)
...Spheroidal Weathering in Marls and Chalks of Gebel Gurnah Near Luxor, Southern Egypt Amin R. Gindy , Ahmad J. Al-Shakiry, Nadi A. Sa'ad 1985 Vol. 55...
1985
Uranium Potential in the Antlers Formation South of the Belton -- Tishomingo Uplift, Southern Oklahoma
Stephen Joseph White
Oklahoma City Geological Society
... square miles of the asphaltic sands underlie the Goodland-Walnut continuing down-dip to a depth of no more than 50-100 ft. These deposits might...
1982
CHARACTER OF THE TALLADEGA BELT IN EASTERN ALABAMA
Denny N. Bearce
Alabama Geological Society
... down dip to a depth of at least a few hundred feet beneath strata surrounding the hills. This probable characteristic, combined with the isolated...
1973
Saturated hydraulic conductivity (Ks) of earth materials in the weathering profile over a porphyritic biotite granite at the Kuala Lumpur Karak Highway in Peninsular Malaysia
John Kuna Raj
Geological Society of Malaysia (GSM)
... of weathering along and between discontinuity planes. Constant head permeability tests show saturated hydraulic conductivity (Ks) to vary with depth...
2021
Drained shear strength parameters of saprock from a weathering profile over porphyritic biotite granite at Km 31 of the Kuala Lumpur - Karak Highway, Peninsular Malaysia
John Kuna Raj
Geological Society of Malaysia (GSM)
... the weathering profile. Set Samples Sub-zone (Mass Weathering Grade) Vertical Depth (m) Cohesion (c’) (kPa) Angle of Friction (φ’) Set A 1, 2 & 3...
2022
Effect of void ratio to the strength parameters of sedimentary rocks
Haryati Awang, Ki Il Song, Rini Asnida Abdullah
Geological Society of Malaysia (GSM)
... the influence of void ratio on the compressive and shear strength of sedimentary rocks at different degree of weathering. As void ratio is related...
2019
Post-Depositional Alteration of the Carbonate-Fluorapatite Phase of Moroccan Phosphates
J. M. Mcarthur
Special Publications of SEPM
... depositional weathering and interaction with ground water removes Na Sr CO and SO from the structure fluorapatite The stability of carbonate fluorapatite...
1980
3-D Seismic Prospecting for Entrada Sandstone Reservoirs on the Southeastern Flank of the San Juan Basin, New Mexico
David J. Massé, R. Randy Ray
Rocky Mountain Association of Geologists
... weathering corrections in order to provide a zero phase final stack which could map low relief structure across the prospect area. Processing flow...
1995
Surface Correlation of Some Pennsylvanian Limestones in Mid-Continent by Thermoluminescence
Robert E. Bergstrom
AAPG Bulletin
...------------------------------ and applying appropriate corrections to peak 2 of each glow curve. The corrected peak heights, however, show approximately the same range of variation...
1956