An Evaluation of Hydrogeologic Parameters on Natural Attenuation of Explosives

Harrelson, Danny W., Zakikhani, Mansour, and Pennington, Judy C.

GCAGS Transactions

... designated as Area P. The near surface geology at LAAP consists of Pleistocene, terraced fluvial deposits (basal gravels fining upward to clays...

Stalactite Growth Mediated by Biofilms: Example from Nani Cave, Cayman Brac, British West Indies

Brian Jones

Journal of Sedimentary Research (SEPM)

..., H.S., Wilkinson, B.H., and Love, K.M., 1985, Morphology and composition of non-marine carbonate cements in near-surface settings, in Schneidermann, N...

Section Three: Structures Resulting from Flow and Diapirism of Clay

New Orleans Geological Society

... near-surface layers of recently deposited, high water-content clays that may locally become abnormally pressured, and be displaced laterally...

Mudflow disturbance in latest Miocene forests in Lewis County, Washington

Thomas E. Yancey, George E. Mustoe, Estella B. Leopold, Matt T. Heizler

PALAIOS

... of wood. These beds extend laterally across outcrops with little variation in thickness. Also present are two volcanic ash beds within lignite, one near...

Paleocave architectures and controlling processes of the Ordovician carbonate paleokarst systems in western and central Tarim Basin, northwestern China

Changsong Lin, Haijun Yang, Jianfa Han, Jingyan Liu, Zhenzhong Cai, Hao Li, and Manli Zhang

AAPG Bulletin

... be traced laterally from open cave terra breccias (Figure 3C) to near-surface cave breccias with roof structures (Figure 3D). Collapse terra breccias...

Mucilaginous Matrix of Some Estuarine Sands in Connecticut

Larry Frankel, Dennis J. Mead

Journal of Sedimentary Research (SEPM)

.... The purpose of this paper is to report observations which suggest that stabilization by microorganisms is not restricted to the surface and near surface...

Ground-Penetrating-Radar Characterization and Porosity Evolution of An Upper Pleistocene Oolite-Capped Depositional Cycle, Red Bays, Northwest Andros Island, Great Bahama Bank

Colby S. Hazard,, Scott M. Ritter, John H. McBride, David G. Tingey, R. William Keach, II

Journal of Sedimentary Research (SEPM)

...). The greater part of the island is less than 5 m above mean sea level and the study area is approximately 9 m above mean sea level. Near-surface...

Recent Sediments and Diagenesis of South Bonaire, Netherlands Antilles

F. J. Lucia

Journal of Sedimentary Research (SEPM)

... near the surface or anhydrite replacing gypsum formed near the surface. CURTIS, R., EVANS, G., KINSMAN, D. J. J., AND SHERMAN, O. J., 1963, Association...

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

... will show that as the depth is increased, the resolution improves down to a depth below the near surface irregularities. This depth is the optimum charge...

Morphology and Paleoenvironmental Significance of Quaternary Sand Veins, Sand Wedges, and Composite Wedges, Tuktoyaktuk Coastlands, Western Arctic Canada

Julian B. Murton

Journal of Sedimentary Research (SEPM)

... of surface expression may reflect (1) truncation and/or burial by glaciofluvial and eolian processes or (2) active-layer deepening during the 12 to 8...

Dual Origin of Basin and Range Faults

Gary W. Crosby

Utah Geological Association

.... Bedrock velocities for lines 2, 3, and 4 are lower than that determined by the horst shot. Intense weathering in the pervasively brecciated zone, near...

Granite and Limestone Velocity Determinations in Arbuckle Mountains, Oklahoma

B. B. Weatherby, W. T. Born, R. L. Harding

AAPG Bulletin

... be expected that the velocity in a small sample which is under no external pressure should check the velocity found for granite near the surface...

Non-Seismic Detection of Hydrocarbons: An Overview, #41697 (2015).

Dietmar (Deet) Schumacher

Search and Discovery.com

... detection methods are based on the search for chemically or geophysically identifiable surface or near-surface occurrences of hydrocarbons...

High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes

D. E. Miller, D. E. Dunster

Pacific Section of AAPG

..., individual objectives, that is, locating the coal-mine boundaries and determining the physical parameters of the near surface. However, in both cases...

The Modern Carbonate Ramp Slope of Central West Florida

Henry T. Mullins, Anne F. Gardulski, Edward J. Hinchey, Albert C. Hine

Journal of Sedimentary Research (SEPM)

...). Near-surface sediments in the northeastern Gulf of Mexico have been investigated by Gould and Stewart (1955), Ludwick (1964), Doyle and Sparks...

Basin Configuration of the Virgin River Depression, Nevada, Utah, and Arizona: A Geophysical View of Deformation Along the Colorado Plateau-Basin and Range Transition

V. E. Langenheim, R. G. Bohannon, J. M. Glen, R. C. Jachens, J. A. Grow, J. J. Miller, G. L. Dixon, T. C. Katzer

Pacific Section of AAPG

... thickness, rather than low-density materials near the surface. Even after correcting for the effects of low-density materials composing Flat Top Mesa...

Time-Stratigraphic Units and Petroleum Entrapment Models in Baltimore Canyon Basin of Atlantic Continental Margin Geosynclines

John C. Kraft , Robert E. Sheridan , Marilyn Maisano

AAPG Bulletin

... data for near-surface aquifers in Delaware coastal plain on northwest flank of Baltimore Canyon trough. Data presented are in millidarcys calculated...

The Influence of Fault Permeability on Single-Phase Fluid Flow Near Fault-Sand Intersections: Results from Steady-State High-Resolution Models of Pressure-Driven Fluid Flow

Stephan K. Matthai , Stephen G. Roberts

AAPG Bulletin

..., especially near the Earth's surface, as indicated by direct hydrologic testing (in-situ permeabilities at less than 2 km depth of 10-10 to 10-14 m2...

Lateral Fluid Flow in a Compacting Sand-Shale Sequence: South Caspian Basin

John D. Bredehoeft , Rashid D. Djevanshir , Kenneth R. Belitz

AAPG Bulletin

... that ^dgrvz/^dgrvt = -rs where rs is the rate of near-surface subsidence. This expression is only approximate, as the rate of subsidence will vary...

Near Surface Imaging using Joint Seismic Gravity Inversion

Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto

Indonesian Petroleum Association

...Near Surface Imaging using Joint Seismic Gravity Inversion Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto...

The plug drum effect, or why your microseismic events may not be where you think they are

Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish

Unconventional Resources Technology Conference (URTEC)

... drum effect is recognized and handled properly, the velocities and statics (near surface corrections) calibrations will produce incorrect locations...

Geothermal convection in the Tengiz carbonate platform, Kazakhstan: Reactive transport models of diagenesis and reservoir quality

Gareth D. Jones, Yitian Xiao

AAPG Bulletin

... that the diagenesis at Tengiz is relatively complex, with pervasive cementation and dissolution interpreted to occur in both near-surface and deep...

Surface Detection of Free Hydrocarbon Microseepage from Subsurface Petroleum Accumulation: Case Study: ABSTRACT

Stephen W. Brown, Joab Salce

AAPG Bulletin

... is seeping into the near-surface sediments and forming a distinct anomaly directly above the two superimposed reservoirs. Apparently, only the methane...

Mn-Fe Coatings on Saprolite Fracture Surfaces

Charles E. Weaver

Journal of Sedimentary Research (SEPM)

... perpendicular to the smooth fracture surface indicate there is no orientation of the mica flakes below the thin surficial layer. Electron probe pictures...

An Integrated Geophysical Analysis of Shallow Faulting in the Wasatch Fault Zone Near Springville, Utah County, Utah

Alvin K. Benson, Nathan Brett Mustoe

Utah Geological Association

... was used in conjunction with field engineering measurements to determine densities of near-surface materials. These density values were used to make...