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The AAPG/Datapages Combined Publications Database
Showing 22,527 Results. Searched 201,044 documents.
Comparison of Sequences Formed in Marine Sabkha (Subaerial) and Salina (Subaqueous) Settings--Modern and Ancient
John K. Warren , Christopher G. St. C. Kendall
AAPG Bulletin
... nodules, enteroliths, or diapirlike structures. These sulfates were formed during syndepositional diagenesis by replacement and displacement processes...
1985
Physical Structures
Robert V. Demicco, Lawrence A. Hardie
Special Publications of SEPM
... and limestone-dolostone boundaries are the most ambiguous because of the effects of compaction and replacement diagenesis. We have devoted a section below...
1994
Involvement of microbial mats in delayed decay: An experimental essay on fish preservation
Miguel Iniesto, Ana I. Lopez-Archilla, Marian Fregenal-Martínez, Angela D. Buscalioni, M. Carmen Guerrero
PALAIOS
... continuously, with oxygenic photosynthetic (mainly filamentous cyanobacteria) and aerobic heterotrophic microorganisms in the oxic upper layer, overlying...
2013
The Initiation of Phosphatic Chalk Sedimentation the Senonian Cretaceous of the Anglo Paris Basin
Ian Jarvis
Special Publications of SEPM
... but there is sufficient replacement of pore water to provide the necessary amount of calcium carbonate It is by such a flushing action by possibly burrowing...
1980
Mineralogical signature of hydrocarbon circulation in Cretaceous red beds of the Barda González area, Neuquén Basin, Argentina
M. J. Pons, A. L. Rainoldi, M. Franchini, A. Giusiano, N. Cesaretti, D. Beaufort, P. Patrier, and A. Impiccini
AAPG Bulletin
... as micro-inclusions. The mud (clay) chips of the conglomerate layer are ellipsoidal and contain quartz (44%), clay minerals (34%), and feldspar (22...
2015
Comparison of silica diagenesis between the lower Cambrian and lower Silurian shale reservoirs in the middle–upper Yangtze platform (southern China)
Ping Gao, Xianming Xiao, Dongfeng Hu, Gary G. Lash, Ruobing Liu, Baoyue Zhang, and Yanming Zhao
AAPG Bulletin
... alteration. Silica precipitation from silica-rich seawater/pore water and silica replacement by carbonate/carbonate-fluorapatite may have supplemented...
2024
Practical Petrographic Classification of Limestones
Robert L. Folk
AAPG Bulletin
... of intraclasts is by erosion of fragments of a widespread layer of semi-consolidated carbonate sediment, with erosion reaching to depths of a few inches up...
1959
Evidence of hydrothermal alteration in Devonian shales from the Eastern Gas Shales Project 2 core of the Rome trough, Appalachian Basin, United States
Kathryn L. Tamulonis, and Kristin M. Carter
Environmental Geosciences (DEG)
... reservoir quality, mechanical properties, and/or thermal maturity. The crosscutting nature of veins, replacement grains, and complex vein mineralogy...
2021
Sedimentation of Upper Artesia (Guadalupian) Cyclic Shelf Deposits of Northern Guadalupe Mountains, New Mexico
Denys B. Smith
AAPG Bulletin
.... At least part of this passage is due to the replacement of quartz by calcite. Some beds persist across the pisolite zone and thin or merge...
1974
Colorado Plateau and Southern Rocky Mountains Uplift and Erosion
Paul Morgan
Rocky Mountain Section (SEPM)
... constraints on models of uplift. These data preclude any model that requires significant heating or replacement of the mantle lithosphere above a depth...
2003
Sedimentology of a Melange: Franciscan of Trinidad, California
K. R. Aalto
Journal of Sedimentary Research (SEPM)
...Sedimentology of a Melange: Franciscan of Trinidad, California K. R. Aalto 1976 Vol. 46 No. 4. (December), A study of layer features within coarse...
1976
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
...Frequency-dependent reflection characteristics of single thin layer and waveform inversion Zhengyang Kuai, Danping Cao, Chao Jin Frequency-dependent...
2023
Depth of Penetration of Geophysical Exploration Methods as Applied in Shallow Engineering Geological Investigations
Abdul Ghani Rafek
Geological Society of Malaysia (GSM)
... of penetration, in addition to the length of the seismic profile, on the p-wave velocity of each subsurface layer and the layer’s thickness. Similarly...
1989
Diagenesis of Unconformity Semi-Weathered Rock Layer and Its Influence on Reservoir Physical Property: A Case of Unconformity on the Top of Triassic in Xia 9 Wellblock, Junggar Basin, NW China, #51215 (2016).
Changhai Gao, Ming Zha, Jiangxiu Qu
Search and Discovery.com
...Diagenesis of Unconformity Semi-Weathered Rock Layer and Its Influence on Reservoir Physical Property: A Case of Unconformity on the Top of Triassic...
2016
Evaporite Sedimentation in the Permian Yates Formation, Central Basin Platform, Andrews County, West Texas
G. Allan Crawford, John B. Dunham
Special Publications of SEPM
... layer, and since they are draped by layers of laminated anhydrite, we suggest that the crystals were growing on the sea floor and interstitially within...
1987
Petrographic Characteristics of Badak and Nilam Fields Sandstone Reservoirs
Hilmi Panigoro
Indonesian Petroleum Association
... (length of photo is about 1.2 mm). Figure 7. Sericitization and carbonate replacement of matric in sandstone, Zone G53, X nicol (length of photo...
1983
A HYDROTHERMAL GOLD OCCURRENCE ON CHROME MOUNTAIN, STILLWATER COMPLEX, MONTANA
Russell J. Warchola
Montana Geological Society
...-bearing material were intersected in drill holes 2 and 6 and one layer in drill hole 10, which can also be seen in outcrop. Chromium assays from...
1986
Integrated Strategic Planning Management to Enhance Recovery in Mature Fields - Case Study Field X Indonesia
Samuel Zulkhifly Sinaga, Irfan Hariz
Indonesian Petroleum Association
... field development to determine best treatment techniques. Most mature fields in Indonesia have archived only minimal data adding another layer...
2013
Upper Carboniferous Tubular Algal Boundstone Reefs in the Otto Fiord Formation, Canadian Arctic Archipelago
G. R. Davies, W. W. Nassichuk
CSPG Special Publications
... cement and replacement fabrics in algal boundstone core facies. D. Brachiopod wackestone from the top unit of an algal boundstone reef in the Otto...
1988
Relationship of Porosity Formation and Preservation to Sandstone Consolidation History--Gulf Coast Lower Tertiary Frio Formation (1)
R. G. Loucks , D. G. Bebout , W. E. Galloway
GCAGS Transactions
... ±) starts with early feldspar leaching and replacement by calcite followed by precipitation of poikilotopic pore-filling calcite cement, clay coats...
1977
Nature of the Terry Sandstone Reservoir, Spindle Field, Colorado
Edward D. Pittman
Rocky Mountain Association of Geologists
... of kaolinite; and finally, 7) precipitation of feldspar overgrowths. Pyrite occurs in traces as a replacement component. Tourmaline, which also occurs...
1989
Petrology of a Lower Carboniferous Bryozoan Limestone and Adjacent Limestones in North Wales, Great Britain
R. A. H. Nichols
Journal of Sedimentary Research (SEPM)
..., and are distinguished by the irregular and indented outline of the crystals and fabric, replacement features (for example, relict patches of microcrystalline...
1965
Confirming a Successful Pressurized MUD Cap Drilling Operation Improved Understanding and Anticipate Key Aspects Since Planning to Execution
Sekar Wuri Dewayani, Fikri Irawan, Andry Prasthio, Ariyati Faradilah
Indonesian Petroleum Association
.... In a thicker layer, this problem is significantly intensified because the formation pressure increases at a rate equal to the gradient...
2023
Origin of Ferriferous Ooids: An Sem Study of Ironstone Ooids and Bauxite Pisoids
Deba P. Bhattacharyya , Paula K. Kakimoto
Journal of Sedimentary Research (SEPM)
... of ironstone ooid formation, and also strongly discount replacement of carbonate oolite for the origin of oolitic ironstones. BATHURST, R. G. C., 1968...
1982
Penecontemporaneous Dolomitization in Sabkha Faishakh, Qatar: Evidence from Changes in the Chemistry of the Interstitial Brines
Leslie V. Illing , John C. M. Taylor
Journal of Sedimentary Research (SEPM)
... of cerithid gastropods. Common in the upper intertidal layer are fine clear gypsum crystals precipitated from the concentrating lagoon water...
1993