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The AAPG/Datapages Combined Publications Database
Showing 11,112 Results. Searched 201,049 documents.
Albite of Secondary Origin in Charny Sandstones, Quebec: a Reply to J. Lajoie: REPLY
Gerard V. Middleton
Journal of Sedimentary Research (SEPM)
... amounts of albitized perthite and no potash feldspar at all, or at least none that was sand-sized and capable of surviving conditions of weathering...
1973
Abstract: The Effect of Moisture Content on Strength Properties of Weak Rock (P1A-3)
Edy Tonnizam Bin Mohamad, Ibrahim Komoo, Khairul Anuar Kassim, Nurly Gofar, Muhazian Md Noor
Geological Society of Malaysia (GSM)
... from various weathering grades collected from four (4) different sites, namely Bukit Indah, Kempas, Desa Tebrau and Mersing, Johor. Standard rock...
2007
Abstract: Evaluation of Factors Affecting the Excavation in Weathered Rocks (P2A-4)
Edy Tonnizam Bin Mohamad, Ibrahim Komoo, Khairul Anuar Kassim, Nurly Gofar, Muhazian Md Noor
Geological Society of Malaysia (GSM)
... accepted as the limit of mechanical breaking before blasting works is opted due to economical reason. However, the nature of rock and its weathering...
2007
A Formation of Late Miocene and Early Pliocene Age on the North Slope of the Santa Susana Mountains, California: ABSTRACT
Edward L. Winterer, David L. Durham
AAPG Bulletin
...-weathering shales and mudstones. Marked lateral changes in lithology are common. The coarser-grained rocks are lenticular, but the shales and mudstones...
1951
Abstract: Iron Mineralisation, South Gunung Jerai, Kedah, Implications of Genesis (Paper P1)
Teh Guan Hoe, Teh Jin Yuan
Geological Society of Malaysia (GSM)
... secondary in nature, accumulated in the vicinity of primary magnetite and hematite due to weathering and erosion.eGanHoeamadaranabiatldawi 112...
2010
Abstract: Geochemical Analysis of Uranium Mobilization from Geologic Formations in Nova Scotia, Canada
Oliver Blume
Atlantic Geology
... of surrounding areas. Weathering and geochemical processes can mobilize uranium, which allows uranium to accumulate in ground water systems...
2015
Abstract: Geological Investigation on Batumilmil Formation Deposit in Langkat, North Sumatera and Potential Economic Impact
Gustam Lubis, Syed Fuad S Hashim, Kamar Shah Ariffin
Geological Society of Malaysia (GSM)
... and Kaperas. It is a dark-grey to black, finegrained, sandy, massive unit consisting of veins filled with calcite minerals. Other spots experienced weathering...
2017
ABSTRACT: Porosity Prediction in Sandstones Using Erosional Unconformities, by G. Shanmugam; #91022 (1989)
Search and Discovery.com
1989
ABSTRACT: Geological assessment of rock slope and limestone hill
Philip Tiong Chong Ngu
Geological Society of Malaysia (GSM)
... stability is governed by many factors such as lithology, weathering grade, structural discontinuities orientation, properties of discontinuities...
2022
Abstract: Challenges in design and construction of MRT underground stations in Kuala Lumpur Limestone
Tan Yean Chin
Geological Society of Malaysia (GSM)
... notorious karstic features with irregular bedrock profiles, variable weathering condition, cavities and slime zones. With proper geotechnical input...
2024
Dolomite from Clay in Argillaceous or Shale-Associated Marine Carbonates: REPLY
Rex C. Price, Timothy R. McHargue
Journal of Sedimentary Research (SEPM)
... should be recognized by the degree of abrasion and weathering. Also, the eogenetic dolomites mentioned above would be early formed and would...
1983
Structural Control of Landforms, Bryce Canyon National Park, Utah: GEOLOGICAL NOTES
Dorsey Hager
AAPG Bulletin
... of the anticline would naturally be the first places attacked by weathering agencies. This anticline which lies mostly in the Powell National Forest...
1957
ABSTRACT: Stratigraphic Correlation of Pleistocene California Borderland Marine Carbonate Using Strontium Isotopes, by Rosemary C. Capo, Donald J. Depaolo; #91003 (1990).
Search and Discovery.com
1990
Size, Sorting, Mineralogy, and Chemical Composition of Recent Sands of Northern Gulf Coast: ABSTRACT
K. Jinghwa Hsu
AAPG Bulletin
... weathering or by post-depositional changes is not a reliable criterion for paleogeographic interpretations. Feldspar abundance and ratio of garnet...
1959
ABSTRACT: Petrogenetic Significance of Expanded Mica Fabrics, by D. R. Pevear, P. A. O'day, R. E. Klimentidis; #91003 (1990).
Search and Discovery.com
1990
Syngenetic Formation of Grainstones and Pisolites from Fenestral Carbonates in Peritidal Settings: REPLY
S. J. Mazzullo, Barbara A. Birdwell
Journal of Sedimentary Research (SEPM)
.... Wright apparently detail diagenetic grain formation resulting from intense meteoric weathering and, in particular, incipient soil development...
1990
Fluvial and Eolian Sandstone Bodies in Colorado Plateau: ABSTRACT
William Lee Stokes
AAPG Bulletin
..., weathering, distance of transport, provenance, and energy relations of stream systems. The common occurrence of uranium deposits in the fluvial sandstones...
1960
ABSTRACT: Anoxic Marine Lakes--an Analogue Environment for Insular Phosphorite Formation, by William C. Burnett; #90097 (1990).
Search and Discovery.com
1990
Effects of Tropical Weathering on Quartz Grain Shape: an Example from Northeastern Australia
Kenneth Pye , Jim Mazzullo
Journal of Sedimentary Research (SEPM)
...Effects of Tropical Weathering on Quartz Grain Shape: an Example from Northeastern Australia Kenneth Pye , Jim Mazzullo 1994 Vol. 64A No. 3. (July...
1994
Sedimentary Facies Model of Turbidites: ABSTRACT
Arnold H. Bouma
AAPG Bulletin
... the base of a layer is formed by one of the three lower intervals. The lower bedding planes of such layers are most readily exposed by weathering...
1963
Development of Clay Mineral Zones During Deltaic Migration--Subsurface Recent Sediments of the Eastern Mississippi Delta Area: ABSTRACT
George M. Griffin, Blair S. Parrott
AAPG Bulletin
... in the sediments deposited there was influenced more by local weathering conditions an by longshore drifting of clay from the more kaolinitic eastern...
1963
Magnetic Characteristics of California Basement Rock Types: ABSTRACT
R. F. Flege, L. J. Parkinson, J. E. Beitzel, R. J. Sontag
AAPG Bulletin
... the laboratory measured susceptibilities. This discrepancy is most probably due either to weathering effects on the surface rocks or to an insufficient number...
1963
Abstract: Geochemistry of Biological Marker Compounds Extracted from Sediments and Oils of the Bulge, Northern Alaska and Yukon Territory, by A. C. Banet, Jr.; #91004 (1991)
Search and Discovery.com
1991
Measured Sections of Sandstones and Shales: GEOLOGICAL NOTES
John W. Shelton
AAPG Bulletin
..., in collecting data for stratigraphic studies, weathering phenomena and second-order textural features are commonly described in more detail than features...
1963
Occurrence of Oil and Gas in Southwestern Region--Geologic Framework: ABSTRACT
George R. Gibson
AAPG Bulletin
... with unconformable surfaces. These reservoirs were formed by weathering of the unconformity surface particularly where pre-unconformity folded...
1963