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The AAPG/Datapages Combined Publications Database
Showing 11,103 Results. Searched 200,616 documents.
Silicification in the Oneota Dolomite
N. Prokopovich
Journal of Sedimentary Research (SEPM)
... of surface weathering could not have taken place shortly after regression of the Oneota sea for, if that had happened, a great deal of silica would...
1953
Heavy Minerals of Colorado River Terraces of Texas
R. W. Mathis
Journal of Sedimentary Research (SEPM)
... River. The area between Mansfield Dam and Montopolis Bridge near Austin was mapped and investigated in detail to determine the typical heavy mineral...
1944
Clay Minerals in Holocene Marine Sediments of the Sungei Muar Flood Plain, Johore
J. K. Raj
Geological Society of Malaysia (GSM)
... methods of ground improvement for supporting embankments over weak sub-soils. The site is located within a flat, swampy area that "has an elevation...
1990
The Cenomanian Sequence Stratigraphy of Central to West Texas
Brian E. Lock, Fleur S. Bases, Robert A. Glaser
GCAGS Transactions
... limestones. It is well exposed at the Seminole Canyon and Pecos Bridge localities, where extensive boring and some near-surface discoloration...
2007
The Devonian of the Arabian Peninsula
A. A. al-Laboun, B. H. Walthall
CSPG Special Publications
... by Powers (1968) to be Cretaceous. Due to severe weathering, surface and near surface samples are barren of palynomorphs. Consequently the boundary between...
1988
Dedolomitization in the Taum Sauk Limestone (Upper Cambrian), Southeast Missouri
James R. Frank
Journal of Sedimentary Research (SEPM)
... for recognizing dedolomitization. Most investigators believe dedolomitization is a near-surface diagenetic phenomenon related to weathering...
1981
The Genesis and Controlling Factors of Large Mesozoic Granite Weathering Crust Reservoir in Penglai 9-1 Oil Field, Bohai Bay Basin; #20276 (2014)
Qingbin Wang, Xinhuai Zhou, Lixin Tian, Bo Yang, Guoxiang Zhao, Wensen Zhu, Chong Feng
Search and Discovery.com
...The Genesis and Controlling Factors of Large Mesozoic Granite Weathering Crust Reservoir in Penglai 9-1 Oil Field, Bohai Bay Basin; #20276 (2014...
2014
Coastal Geology of Mississippi, Alabama and Adjacent Louisiana Areas: Field Trip
Ervin G. Otvos
New Orleans Geological Society
... weathering at shallow depths beneath the land surface. These beds consist predominantly of sand and muddy sand, with minor lenses of clay and gravelly sand...
1982
Opal Cement in the Eocene Castle Rock Conglomerate, Central Colorado
Mark Longman, Nik Svihlik, Joan Burleson, James W. Hagadorn
Rocky Mountain Association of Geologists
... at near-surface temperatures. After the “dust line” coated the early isopachous opal, a much lighter colored isopachous layer labeled “Chalcedony...
2024
GEOBIOLOGICAL AND DIAGENETIC INSIGHTS FROM MALVINOKAFFRIC DEVONIAN BIOTA (CHAPADA GROUP, PARANÁ BASIN, BRAZIL): PALEOBIOLOGICAL AND PALEOENVIRONMENTAL IMPLICATIONS
BRUNO BECKER-KERBER, GABRIEL LADEIRA OSÉS, JESSICA FLEURY CURADO, MÁRCIA DE ALMEIDA RIZZUTTO, ISAAC DANIEL RUDNITZKI, GUILHERME RAFFAELI ROMERO, SILVIO YUJI ONARY-ALVES, VICTORIA GIOPATO BENINI, DOUGLAS GALANTE, FABIO RODRIGUES, PEDRO VICTOR BUCK, ELIDIANE CIPRIANO RANGEL, RENATO PIRANI GHILARDI, MÍRIAN LIZA ALVES FORANCELLI PACHECO
PALAIOS
... of the sediment), or (2) near-surface chemical weathering (Chandra and Gerson 2010). The problem with the first hypothesis is that hydr(oxides) are unstable under...
2017
Natural Gas Resources of California: PART 2
Harold W. Hoots , Stanley C. Herold
AAPG Special Volumes
... at depth. Development of the field has shown that these features affect only the beds near the surface and do not extend downward to the producing horizon...
1935
The Distribution of Calcium Carbonate in Deep Sea Sediments
A. T. S. Ramsay
Special Publications of SEPM
... and or biogenic siliceous ooze during periods of maximum elevation of the calcium carbonate compensation depth Changes in surface productivity...
1974
General Geology of Northeast Mexico
J. L. Tatum
AAPG Bulletin
... in gravel thought to be Reynosa near Rio Grande City may be in younger terrace gravels, which, if they occur at the approximate elevation of the present...
1931
The Recognition and Interpretation of Paleokarsts: Two Examples from the Lower Carboniferous of South Wales
V. P. Wright
Journal of Sedimentary Research (SEPM)
..., p. 969-988. HARRISON, R. S., 1977, Caliche profiles: indicators of near surface subaerial diagenesis, Barbados, West Indies: Canadian Petroleum...
1982
Petrography and Diagenesis of Silcrete from Kuwait, Arabian Gulf
F. I. Khalaf
Journal of Sedimentary Research (SEPM)
...., 1983, Chemical sediments and geomorphology, precipitates and residue in the near-surface environment: London, Academic Press, 439 p. HEALD, M...
1988
Sand–Water Flows on Cold-Climate Eolian Dunes: Environmental Analogs for the Eolian Rock Record and Martian Sand Dunes
Chris H. Hugenholtz, Stephen A. Wolfe, Brian J. Moorman
Journal of Sedimentary Research (SEPM)
... regarding the triggering cause for the flows. In particular, this study demonstrates that high pore-water pressure can develop in thawed near-surface...
2007
Petrologic evidence for the diagenesis of the Donovan Sand, Citronelle Field, Alabama, and implications for CO2 storage and enhanced oil recovery
George Case, Amy Weislogel, and Keith Coffindaffer
Environmental Geosciences (DEG)
... that widespread feldspar alteration occurred as a result of vigorous, near-surface weathering during deposition, prior to substantial compaction (stage 2...
2014
Rift Sedimentation
Gail M. Ashley, Robin W. Renaut
Special Publications of SEPM
... surface -near surface -deep deep SEDIMENTARY RECORD SEDIMENTARY RECORD of of RIFT RIFT BASINS FIG I.-Factors that determine the nature of the nature FIG...
2002
Muddying the waters: modeling the effects of early land plants in Paleozoic estuaries
Muriel Z. M. Bruckner, William J. Mcmahon, Maarten G. Kleinhans
PALAIOS
... to a varied range of geochemical cycles, and determine how global silicate weathering patterns may have varied over time. Here we employ an eco...
2021
Stratigraphic Sections of the Madison Limestone and Amsden Formation, West Flank of the Bighorn Basin, Wyoming
William J. Sando
Wyoming Geological Association
... to blocky, as much as 0.5 ft. thick. 2.5 91. Shale; green; like unit 89. 1.0 90. Dolomite; cherty; fine-grained; light olive gray, weathering...
1975
Alluvial Terracing in a Falling-stage Braidplain: the Lower Cretaceous Cadomin Formation, West-central Alberta, Canada
Michael F. Johnson,, Robert W. Dalrymple
Journal of Sedimentary Research (SEPM)
... and extends to considerable depths, indicating the existence of a significant hiatus at the top of the Cadomin Formation. This surface, which lies...
2019
Controls on Distribution of Lacustrine Source Rocks through Time and Space: Chapter 4
Barry J. Katz
AAPG Special Volumes
..., where the landmass was largely concentrated near the South Pole, would not favor development of an extensive lacustrine network. An examination...
1990
Source-to-Sink Analysis of a Transtensional Rift Basin from Syn-Rift to Uplift Stages
Jialin Wang, Chaodong Wu, Tianqi Zhou, Wen Zhu, Yanxi Zhou, Xi Jiang, Disheng Yang
Journal of Sedimentary Research (SEPM)
... provenance analytical methods indicate that the sediments in the syn-rift and post-rift stages experienced weak chemical weathering and were...
2019
Hydrodynamics of the Hunton Group Anadarko Basin, Oklahoma and Texas Panhandle, Pt. 1
Paul E. Blubaugh Jr.
Oklahoma City Geological Society
..., high energy) carbonates are more resistant to weathering and form ridges on the land surface. The finer-grained (deeper, low energy) rocks form...
1999
Restoration of Mountain Front and Salt Structures in the Northern Paradox Basin, SE Utah
Bruce D. Trudgill, Manuel Paz
Rocky Mountain Association of Geologists
...) = 2670 kg m−3 Density of the mantle = 3300 kg m−3 Table 2. Surface porosities and rates of decay of porosity for decompaction corrections during...
2009