Early Diagenesis, Atherton Formation (Quaternary): A Guide for Understanding Early Cement Distribution and Grain Modifications in Nonmarine Deposits

W. C. James

Journal of Sedimentary Research (SEPM)

... character, (2) grain size and sorting, (3) framework grain composition, and (4) proximity to near-surface processes. Initial cement development...

Soil related factors controlling erosion and landslides in Malaysia

S. Paramananthan, Nurfashareena Muhamad, Joy Jacqueline Pereira

Geological Society of Malaysia (GSM)

... temperature and rainfall in Malaysia results in intensive tropical weathering and depending on the parent material, the resultant soil can have deep...

Salt-Dome Breccia

Paul F. Kerr , Otto C. Kopp

AAPG Bulletin

... surfaces of side-wall cores shown as mounted in plastic forms (enlarged 2½×). Normal shale (above) appears as found near surface or remote from domes...

Using Fluid-Induced Microseismics to Image Permeability

Andrew King, Tobias Müller

Unconventional Resources Technology Conference (URTEC)

... of any information herein. All information is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies...

Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study

D. E. Miller and L. Dupal

AAPG Special Volumes

... indication of the presence and lateral offset of a nearby geological structure that is poorly resolved by surface seismics? The second is a stratigraphic...

Evidence for biogenic copper (hemocyanin) in the middle Cambrian arthropod Marrella from the Burgess Shale

M. Jake Pushie, Brian R. Pratt, Tracy C. Macdonald, Graham N. George, Ingrid J. Pickering

PALAIOS

...-surface weathering. 514 PALAIOS M.J. PUSHIE ET AL. ANALYTICAL METHODS X-Ray Fluorescence Imaging Synchrotron-based X-ray fluorescence imaging can...

NEOICHNOLOGY OF SEMIARID ENVIRONMENTS: SOILS AND BURROWING ANIMALS OF THE SONORAN DESERT, ARIZONA, U.S.A.

DANIEL I. HEMBREE, JON J. SMITH, ILYA V. BUYNEVICH, BRIAN F. PLATT

PALAIOS

... a short subvertical component near the surface, but are largely subhorizontal (0–308). The tunnels are elliptical in cross section with a high width...

Chemical Weathering in a Subtropical Igneous Terrain, Rio Ameca, Mexico

James I. Drever

Journal of Sedimentary Research (SEPM)

... the rocks are less permeable, so that surface runoff is relatively more important, and there is an absence of flat low-lying areas near the river where...

Ancient Quartzite Boulders in the Red Valley Area of the Northern Black Hills, South Dakota and Wyoming

William C.B. Gates, Perry H. Rahn

Rocky Mountain Association of Geologists

... by the Spearfish Formation which separates the Black Hills from the Cretaceous hogback. The boulders are concentrated near the top of small hills where they retard...

Pre-Glacial Residual Soil in Thomaston, Maine

H. W. Borns, Jr., H. W. Allen

Journal of Sedimentary Research (SEPM)

... that probably reached upward to the garnet isograd. The elevation of the bedrock surface at the location of the residual clay or "fossil soil" deposit...

Characteristics of Global-Sediment Formation in Regions of High- and Superhigh-Accumulation Rates

Alexander P. Lisitzin

Special Publications of SEPM

... with high chemical weathering rates In I 1 S GLOBAL LEVEL OF HIGH obtained supply the average elevation of the fluxes iment accumulation rates...

Clays and Clay Minerals of the Santa Ana River Drainage Basin, California

G. M. McMurtry, Pow-Foong Fan

Journal of Sedimentary Research (SEPM)

... is weathering in transit. Major minerals in the riverbed are montmorillonite, mica, plagioclase, K-feldspar and quartz. Present in lesser amounts are kaolinite...

Mineralogy and geochemistry of modern Red River sediments (North Vietnam): Provenance and weathering implications

Jie He, Eduardo Garzanti, Tao Jiang, Marta Barbarano, Alberto Resentini, Entao Liu, Si Chen, Guanzhong Shi, Hua Wang

Journal of Sedimentary Research (SEPM)

... of Earth-surface processes (Willenbring and Von Blanckenburg et al. 2010; Clift et al. 2014). Weathering molds the landscape and affects global climate...

Telluric Currents and Their Use in Petroleum Exploration

K. Vozoff , R. M. Ellis , M. D. Burke

AAPG Bulletin

... obtained by Magnetotelluric method. Lateral variations, such as faults that come near the surface, can give rise to considerable local changes in tilt...

Effects of Weathering on the Reflectance of Vitrinite in the Mowry Shale, Steinaker Reservoir, Utah, by M. D. Lewan; #90986 (1994).

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Structural Framework of Continental Margin in South China Sea

M. L. Parke, Jr. , K. O. Emery , Raymond Szymankiewicz , L. M. Reynolds

AAPG Bulletin

... have produced deep weathering of the rocks and have developed lateritic soils. The surface geology, as depicted on regional geological maps...

Petrography and Diagenesis of Silcrete from the Kalahari Basin And Cape Coastal Zone, Southern Africa

M. A. Summerfield

Journal of Sedimentary Research (SEPM)

... appreciation of the significance of surface and near-surface diagenesis in continental environments. In particular the identification...

Santa Ana, San Joaquin, Guario, and Santa Rosa Oil Fields (Anaco Fields), Central Anzoategui, Venezuela

H. J. Funkhouser , L. C. Sass , H. D. Hedberg

AAPG Bulletin

... encountered near the surface in this well and several sandy intervals gave faint chloroform colorations. The section in general, however, was lacking...

Uranium in the Phosphoria Formation

Vincent E. McKelvey, Louis D. Carswell

Utah Geological Association

... in the phosphate mines in the north Crawford Mountains, where the phosphate rocks near the surface are extremely weathered. Additional evidence...

Residual gravity modelling of the Mount Mégantic intrusive complex, Québec, Canada

Maurice K. Seguin, Janusz Frydecki

Atlantic Geology

... to approximate, as closely as possible, the regional anomaly. Using the relationship between free-air anomaly and elevation it is possible to estimate...

Diabase Argillation at King Mountain, Kiowa County, Oklahoma

Clayton R. Nichols

Journal of Sedimentary Research (SEPM)

... of near surface chemical weathering. Chlorite, interpreted as an early deuteric alteration product of the original marie minerals, magnetite, and calcite...

Exposure of Late Pleistocene Mississippi River Meander-Belt Facies at Mt. Pleasant, Louisiana

Whitney J. Autin , A. Todd Davison , B.J. Miller ,, W.J. Day , Brian A. Schumacher

GCAGS Transactions

... various depositional settings (Mossa and Autin, 1986). Along and near the Mississippi River bluffs, a near-surface stratigraphic unit composed mostly...

Variability in Geochemical Provenance and Weathering History of Sirius Group Strata, Transantarctic Mountains: Implications for Antarctic Glacial History

Sandra Passchier

Journal of Sedimentary Research (SEPM)

... Antarctic provenance and that a few high-elevation deposits are locally derived. The degree of chemical weathering of the materials in the Sirius Group...

Origin and Development of Karstinselberge, with Particular Reference to Some South East Asian Evidence

C. R. Twidale

Geological Society of Malaysia (GSM)

... be explained by the changes in location and geometry of fractures with depth. Drogue and Bidaux (1992) suggest deep weathering beneath a planation surface...

Occurrence of Alkali Metals in Some Gulf of Mexico Sediments

Charles W. Welby

Journal of Sedimentary Research (SEPM)

... that much of the separation of the alkali metals and the enrichment of one with respect to another may occur during weathering and that the hydrated...