Assessment of Micro-Fracture Density using Combined Interpretation of NMR Relaxometry and Electromagnetic Logs

Lu Chi, Marcus, Elliot, Zoya Heidari, Mark Everett

Unconventional Resources Technology Conference (URTEC)

...: The NMR magnetization decay is simulated using a random-walk algorithm (Øren and Bakke, 2002; Ramakrishnan et al., 1998) via a C++ program adapted...

Geophysical Investigations of the Cove Fort-Sulphurdale Geothermal System, Utah

Howard P. Ross, Joseph N. Moore

Utah Geological Association

... yields an equivalent susceptibility of -.063 (-.005 cgs), indicating strong permanent magnetization directed approximately opposite the Earth’s present...

Geophysical Setting of Western Utah and Eastern Nevada Between Latitudes 37°45′ and 40°N

Edward A. Mankinen, Edwin H. McKee

Utah Geological Association

... conference: New Mexico Geological Society, p. 59–64. Cordell, L., and Grauch, V.J.S, 1985, Mapping basement magnetization zones from aeromagnetic data...

Influence of Authigenic-Clay Minerals on Permeability

James J. Howard

Special Publications of SEPM

... Porosity mme a t is the magnetization at magnetization and Tla Howard and others 01 0 t M the initial 8 Mo exp 0 water The first group...

Subaerial Exposure Surfaces in Carbonate Strata: Their Recognition and Significance

Eugene C. Rankey, Steven L. Bachtel, Richard D. Bray, Harry E. Cook, Patrick Lehmann

West Texas Geological Society

... contain higher magnetic susceptibility, natural remnant magnetization, and isothermal remnant magnetization values than non-altered siliciclastic...

The Bahamas Drilling Project: Background and Acquisition of Cores and Logs

Robert N. Ginsburg

Special Publications of SEPM

... tional magnetization of carbonates: Geology, v. 25, p. 799-802. 799 tional magnetization of carbonates Geology 25 p 802 lowstand meteoric diagenesis...

Temporal and Spatial Variability of Alluvial-Fan and Axial-Fluvial Sedimentation in the Plio-Pleistocene Palomas Half Graben, Southern Rio Grande Rift, New Mexico, U.S.A.

Greg H. Mack, Mike Leeder, Stephen L. Salyards

Special Publications of SEPM

... sediments. within the Palomas basin. The primary magnetization in Palomas and Camp Rice The primary magnetization in Palomas and Camp sediments...

Iron-Titanium Oxide Minerals and Magnetic Susceptibility Anomalies in the Mariano Lake-Lake Valley Cores--Constraints on Conditions of Uranium Mineralization in the Morrison Formation, San Juan Basin, New Mexico

Richard L. Reynolds, Neil S. Fishman, James H. Scott, Mark R. Hudson

AAPG Special Volumes

... magnetization (Js) of magnetic grains are recorded as a function of temperature (T). Curie temperatures and, in certain cases, shapes of Js -- T curves...

Quantification of Illite Content in Sedimentary Rocks Using Magnetic Susceptibility--a Rapid Complement or Alternative to X-Ray Diffraction: RESEARCH METHODS PAPERS

David K. Potter, Patrick W.M. Corbett, Stuart A. Barclay, R. Stuart Haszeldine

Journal of Sedimentary Research (SEPM)

... isothermal remanent magnetization acquisition curves: Physics of the Earth and Planetary Interiors, v. 82, p. 223-234. ROSENBLUM, S., AND BROWNFIELD, I.K....

1991 AAPG Annual Convention, April 7-10, 1991, Dallas, Texas, - Abstracts, #91004 (1991).

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The Tobago Terrane

Speed, R. C. and Smith-Horowitz, P.L.

Geological Society of Trinidad & Tobago

... margin of South America (Maresch, 1974; Vivas, 1987). The magnetic anomalies are assumed to arise from the contrast in magnetization across...

Models of Subsidence Mechanisms in Intracratonic Basins, and Their Applicability to North American Examples

Garry Quinlan

CSPG Special Publications

... yield an older Keweenawan age of magnetization. The implication is that the magnetization of the deeper sample is secondary and was acquired after...

Devonian Stratigraphy and Paleogeography of the Armorican Massif (Western France)

P. Morzadec, F. Paris, Y. Plusquellec, P. Racheboeuf, M. Weyant

CSPG Special Publications

..., M., Van der Voo, R., Bonhommet, N. and Paris, F., 1984. Revision of the age of magnetization of the Montmartin redbeds, Normandy, France. Geophys. J...

Floor of the North Atlantic--Summary of Geophysical Data: Chapter 4: Introductory Papers

J. E. Nafe , C. L. Drake

AAPG Special Volumes

... of the earth's magnetization according to a known time sequence for the occurrence of reversals in the earth's magnetic field. Earthquake mechanisms along...

Marine Geology of Sohm Basin, Canadian Atlantic Margin

Cynthia J. Ebinger , Brian E. Tucholke

AAPG Bulletin

... basin anomalies using spectral techniques described by Schouten and McCamy (1972). We constructed a block model of the magnetization distribution...

The magnetic fabric of the Wolfcamp shale, Midland Basin, west Texas: Understanding petrofabric variability, hydrocarbon associations, and iron enrichment

Gerhard W. Heij, and R. Douglas Elmore

AAPG Bulletin

.... Low-field magnetic susceptibility (klf) represents the degree of magnetization (M) of a material in response to an applied magnetic field (H...

Substrate-Slope and Temperature Controls on Carbonate Ramps: Revelations from Upper Miocene Outcrops, Se Spain

Evan K. Franseen, Robert H. Goldstein, Mark R. Farr

Special Publications of SEPM

.... These intechniques were used to characterize magnetic carriers These in cluded isothermal remanent magnetization (IRM) acquisition cluded isothermal remanent...

THE WETUMPKA IMPACT CRATER AND THE LATE CRETACEOUS IMPACT RECORD

David T. King Jr.

Alabama Geological Society

... demagnetization can remove existing remanent magnetization ... and, at' pressures of (greater than) 10 GPa, magnetic susceptibility can be reduced...

The Use of Paleomagnetic Studies in Understanding the Complex Tertiary Tectonic History of East and Southeast Asia

R. McCabe, D. Merrill, J.T. Cole, E. Lumadyo

Circum Pacific Council Publications

... that the directions of magnetization in the older rocks were reset by Cenozoic events. This fact argues that until paleomagnetic studies...

Geothermal Investigations in Idaho — Part 6

John C. Mitchell

Wyoming Geological Association

... of vulcanism and associated deformation in the central part of the Blackfoot lava field, as suggested by reverse remanent magnetization of these flows...

Problems with Plate Tectonics: The Labrador Sea

A. C. Grant

CSPG Bulletin

... be expected merely through a change in polarity of magnetization of crustal rocks, as required by the Vine and Matthews (1963) 'tape recorder' model...

Folding-related Fracture Pattern and Physical Properties of Rocks in the Chaudrons Ramp-related Anticline (Corbires, France)

Stefano Tavani, Laurent Louis, Christine Souque, Philippe Robion, Francesco Salvini, Dominique Frizon de Lamotte

AAPG Special Volumes

... the induced magnetization and the applied magnetic field (Bhathal, 1971). The anisotropy of magnetic susceptibility tensor K describes the ability...

Magnetostratigraphy and Biostratigraphy of the Continental Paleocene in the Calgary Area, Southwestern Alberta

J.F. Lerbekmo, A.R. Sweet

CSPG Bulletin

... Magnetostratigraphy The Cochrane samples are not heavily overprinted. Although the Natural Remanent Magnetization (NRM), measured before magnetic...

Magnetic Susceptibility Cycles in Upper Pliocene Lacustrine Deposits of the Northern Apennines, Italy

Giovanni Napoleone, Andrea Albianelli, Alfred G. Fischer

Special Publications of SEPM

..., and diagenetic overprints. The natural remanent magnetization (NRM) is generally weak, on the order of 10-3 A m-1. But both it and the susceptibility...

Isotopic Ages and Stratigraphic Control of Mesozoic Igneous Rocks in Japan

Ken Shibata , Tatsuro Matsumoto , Takeru Yanagi , Reiko Hamamoto

AAPG Special Volumes

... magnetization (Sasajima and Shimada, 1966). Kono et al (1974) took samples from the whole sequence of the Aioi Group and showed that all of the reliable data...