Magnetic Stratigraphy of the Lower and Middle Miocene Astoria Formation, Lincoln County, Oregon

Donald R. Prothero, Clio Z. Bitboul, George W. Moore, Ellen J. Moore

Pacific Section SEPM

... magnetometer with an automatic sample changer. After measurement at NRM (natural remanent magnetization), each sample was AF (alternating field...

Magnetic Stratigraphy of the Lower Middle Eocene (Type Ulatisian) Vacaville Shale, Solano County, California

Donald R. Prothero, Earl E. Brabb

Pacific Section SEPM

... sample changer. After measurement of NRM (natural remanent magnetization), each sample was AF (alternating field) demagnetized at 25, 50, and 100 Gauss...

Magnetic Stratigraphy of the Middle Eocene Point of Rocks Sandstone (Ulatisian and Type Narizian Stages), Western San Joaquin Basin, California

Donald R. Prothero

Pacific Section SEPM

... measured at NRM (natural remanent magnetization), the AF demagnetized at 25, 50, and 100 Gauss. This helps show how much of the remanence is held in a low...

Reconciling Extension from Brittle Faulting, Subsidence, and Kinematic Reconstructions: Lessons from the Woodlark Basin, #30089 (2009)

Andrew M. Goodliffe, Joe Kington, and Brian Taylor

Search and Discovery.com

.... •Seafloor magnetization illuminated from the north by bathymetry. •Oceanic crust formed since the start of the Brunhes chron (0.780 Ma) has a positive...

Gas Identification in Thin Beds Using LWD Measurements … West Africa Offshore Example; #42171 (2017)

Stanley Oifoghe, Ono Daniel, Victor Okowi, Charlie Thompson, Ikechukwu Nwabueze

Search and Discovery.com

... fluid; derived from the echo train with short TW (ET_TWS) TW – Wait time. The time needed to build up the magnetization, typically several seconds TWL...

Oil-Base Mud Filtrate and Hydrogen Index Effects on Magnetic Resonance Porosity in Gas Reservoirs, #42332 (2018).

Stanley Oifoghe, Victor Okowi, Holger Thern,

Search and Discovery.com

... the echo train with short TW (ET_TWS) Wait time. The time needed to build up the magnetization, typically several seconds Long wait time. The time needed...

Interpreting Magnetic Data, Dale Bird, Search and Discovery Article #40022 (2001)

Search and Discovery.com

Paleomagnetism and Tectonic Evolution in Mesozoic for North China Plate

Fang Dajun, Tan Xiaodong, Guo Yabin, Yu Gonghua

Circum Pacific Council Publications

... of multiple components of magnetization, and each collection has passed fold and reversal consistency tests. The kinematic evolution for NCP includes...

Biostratigraphy and Magnetostratigraphy of Southern Ridge Basin, Central Transverse Ranges, California

Ross A. Ensley, Kenneth L. Verosub

Pacific Section SEPM

.... Rock magnetic studies provide evidence that the carrier of the primary remanence is magnetite and that the magnetization was acquired at or shortly...

Some Results of Ground Magnetometric Work in Tataria

V. P. Stepanov, N. S. Yevgrafov, V. B. Andreyev

Petroleum Geology: A Digest of Russian Literature

..., orientation in space, and intensity of magnetization of the body causing the anomaly, In several cases somewhat similar methods were used on the same...

Age Relationship between the Kuantan Basalt and Dolerite Dykes - Field Evidence

S. G. Lee

Geological Society of Malaysia (GSM)

...) supported Bignell's result. The basalt had a reverse sense of magnetization with respect to the present day field, corresponding to the Matuyama -Reverse...

Magnetostratigraphic Restrictions on the Age of the Frenchman Formation and the Magnitude of the Sub-Frenchman Disconformity in Southwest Saskatchewan

J.F. Lerbekmo

CSPG Bulletin

... of Canada, Economic Report 30, p. 29-39. Verosub, K.L., Insley, R.A. and Ulrick, J.S. 1979. The role of water content in the magnetization of sediments...

Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene Pattiway Formation, Caliente Range, San Luis Obispo County, California

Donald R. Prothero, Robert B. Vacca

Pacific Section SEPM

... could be calculated; open circles are Class III sites, which had one sample divergent. nent magnetization), each sample was demagnetized at 25, 50...

Magnetic Stratigraphy and Tectonic Rotation of the Lower Oligocene Pittsburg Bluff Formation, Columbia County, Oregon

Donald R. Prothero, Karina G. Hankins

Pacific Section SEPM

... also powdered and placed in epindorph tubes. These samples were subjected to increasing IRM (isothermal remanent magnetization) to determine their IRM...

Abstract: Gravity and Magnetic Signatures, Derived Crustal Structre and Tectonics of Sirt Basin, Northern Central Part of Libya (Geophysics Poster 11)

Ahmed. S. Saheel, Abdul Rahim Bin Samsudin, Umar Bin Hamzah

Geological Society of Malaysia (GSM)

.... Soc., pp 59-64. CORDELL, L., and GRAUCH, V.J.S., 1985. Mapping basement magnetization zones from aeromagnetic data in the San Juan basin, New Mexico...

Abstract: Integrated Logging Data Technique to Model Relative Permeability of Heterogeneous Reservoirs; #91204 (2023)

Salah Al-Ofi, Hasan Kesserwan, Amjed Hassan, Ammar Al-Ramadhan

Search and Discovery.com

... in the fluids to a certain direction, e.g., z direction. The first radiofrequency pulse (90°) is used to tilt the magnetization into the transverse...

Simple and Efficient Separation of Magnetic Minerals From Speleothems and Other Carbonates

Jennifer H. Strehlau, Lindsay A. Hegner, Becky E. Strauss, Joshua M. Feinberg, R. Lee Penn

Journal of Sedimentary Research (SEPM)

.... Hounslow, M.W., and Maher, B.A., 1996, Quantitative extraction and analysis of carriers of magnetization in sediments: Geophysical Journal International...

Effects of internal gradients on pore-size distribution in shale

Christian Obasi, and Jack Pashin

AAPG Bulletin

..., Decay of nuclear magnetization by bounded diffusion in a constant field gradient: The Journal of Chemical Physics, v. 100, no. 8, p. 5597–5604...

An Investigation of the Use of Paleomagnetic Techniques in a Carbonate Terrane - The Capitan Reef Complex, Southwestern U.S.A.

Gill Darke

Special Publications of SEPM

... projections and orthogonal projections (Zijderveld plots) and analyzed for stable directions of These vectors magnetization (Dunlop, 1979; Collinson...

Interpretations of Two Associated Magnetic Anomalies in the Shaunavon Area, Saskatchewan

W. T. Colin

CSPG Bulletin

... upon the size, shape and orientation of the body, its magnetization contrast with the surrounding rocks, the inclination of the earth's field...

Devonian geography deduced by the Palaeomagnetic method

K. M. Creer

CSPG Special Publications

... changes over several tens of thousands of years is studied, (i) the mean direction of horizontal magnetization (i.e. that in the bedding plane) gives...

2-D Gravity and Magnetic Modeling of Subsurface Domical Structure 11/14

Claudia Alexander

Circum Pacific Council Publications

...). The models assume that the rock has no residual magnetization. The magnetic intensities of the layers, based on susceptibilities taken from Dobrin...

Devonian geography deduced by the Palaeomagnetic method

K. M. Creer

CSPG Special Publications

... changes over several tens of thousands of years is studied, (i) the mean direction of horizontal magnetization (i.e. that in the bedding plane) gives...

Effects of Temperature and Gas Pressurization on the Interpretation of NMR Hydrocarbon Measurements in Organic-Rich Shale

Son T. Dang, Carl H. Sondergeld, Chandra S. Rai

Unconventional Resources Technology Conference (URTEC)

... 113 4 Measurable Fraction of HC under NMR Spectroscopy For T2 relaxation acquisition, if a magnetization vector relaxes faster than the setup echo...

"The New Global Tectonics": Age of Linear Magnetic Anomalies of Ocean Basins: REPLY TO R. A. FACER

Howard A. Meyerhoff , A. A. Meyerhoff

AAPG Bulletin

... Meyerhoff and Meyerhoff, 1972a). Facer quite properly charges us also with responsibility to consider the nature of the magnetization measured...