3D inversion of QMAGT airborne magnetic gradiometry data for susceptibility and magnetization vector models of the Thompson Nickel Belt in Manitoba, Canada

Michael Jorgensen, Michael S. Zhdanov, Brian Parsons

International Meeting for Applied Geoscience and Energy (IMAGE)

... a symmetric magnetic gradient tensor...

Marine influence in the Upper Ordovician Juniata Formation (Potters Mills, Pennsylvania): Implications for the history of life on land

Neil S. Davies, Michael C. Rygel, Martin R. Gibling

PALAIOS

... (although there is no field evidence that these form part of pedogenic calcretes), desiccation cracks and symmetric ripples in the mudstones...

Paleogeography: Coastal Studies Provide More Questions Than Answers

William F. Tanner

Oklahoma City Geological Society

...) in centimeters. Bottom: orientation of symmetric, simple ripple marks related to ripple index (ripple wave length divided by ripple height). End...

Diagenesis in Back-Reef Limestones in the Serra De El Abra

Charles J. Minero

Dallas Geological Society

.... Radiaxial fibrous calcite mosaics have peculiar optics and inclusion banking that result from neomorphic alteration of radially symmetric, mammillate...

Amplitude inversion of OBS direct arrivals for seabed elastic properties

James Gaiser, Moacyr de Souza Bazerra, James Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

... data is shown as solid lines in Figure 8 for two receiver locations. The RC is symmetric with respect to ray parameter and at vertical incidence (p=0...

Facies and Architectural Asymmetry in a Conglomerate-Rich Submarine Channel Fill, Cerro Toro Formation, Sierra Del Toro, Magallanes Basin, Chile

Zane R. Jobe, Anne Bernhardt, Donald R. Lowe

Journal of Sedimentary Research (SEPM)

..., symmetric cross-sections are expected (Pyles et al. 2010). Facies asymmetry is caused by flow-velocity gradients as well as helical flow patterns...

Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion

Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... aperture between -5 and 30 degrees. The aperture range is designed to be symmetric with respect to the layering direction and to mitigate anisotropic...

Preparation of Seismic Data For Stratigraphic Work

Abilene Geological Society

... source creates a zero-phase wavelet in the data. A zero-phase wavelet is symmetric about its origin and is also shown in figure 3-2. If we use...

Petroleum Potential of the Mediterranean Basins

Pierre F. Burollet

CSPG Special Publications

... first give a short definition of the main characteristics of the Alpine system. It is an elongated mobile belt, comprising symmetric and divergent units...

Miocene Paleobathymetric Changes of the Santa Rosa-Cortes Ridge Area, California Continental Borderland

Robert E. Arnal

Pacific Section of AAPG

... the surrounding sea floor. San Nicolas Island might have been an island in early Miocene time. Assuming roughly symmetric closure to the north and south...

Diatom ecology and microbial mat structure and function in Antarctic Dry Valleys

Lee F. Stanish, John R. Spear

PALAIOS

... of these species belong to the relatively young (30– 50 Ma [Kooistra et al., 2007; Sorhannus, 2007]) group of bilaterally symmetric, raphid pennates...

Tectonic Development and Hydrocarbon Potential Offshore Troms, Northern Norway

T. Sund, O. Skarpnes, L. Norgard Jensen, R. M. Larsen

AAPG Special Volumes

... the Ringvassoy-Loppa Fault Complex (Figure 4A). The basin is symmetric, with a doming of the pre-Kimmerian sequences parallel to the basin axis that was active...

Finite-difference modeling of marine vibrator sources

Khalid Almuteri, Jeffrey Shragge, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... ∂ ∂ξν , µ, ν = 0, · · · , 3, (2) where [gµν ] is a symmetric rank-two contravariant metric teng sor, |g | is the determinant of the covariant...

Interaction of Plates Revealed in the Northern Range of Trinidad Field Trip Guide

Algar, S.

Geological Society of Trinidad & Tobago

.... The majority of these are visible in this section (Fig. 5), though here the F 1 folds are symmetric because we are in the core of the anticline to which...

Broadband reconstruction of seismic signal with generative recurrent adversarial network

Zhijun Zhang, Wei Song, Wei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...( ∙ ) are symmetric structures. The generator of GRAN is different from other recurrent structures. The model starts from the decoder f (·). At each time...

Anisotropy parameters for fractured shales

Leon Thomsen, Colin Sayers

International Meeting for Applied Geoscience and Energy (IMAGE)

... stiffnesses given by the symmetric matrix: C OR 0 0  C11 C12 C13 0   0 0   C22 C23 0   0 0   C33 0 =  0   C44 0    C55 0    C66...

Stratigraphic Record of River-Dominated Crevasse Subdeltas With Tidal Influence (Lajas Formation, Argentina)

Marcello GugliottA, Stephen S. Flint, David M. Hodgson, Gonzalo D. Veiga

Journal of Sedimentary Research (SEPM)

... mudstone drapes, asymmetric ripples showing opposed paleocurrents (Fig. 5), and rare symmetric ripples. FA 4 shows an upward-coarsening trend and an upward...

Timing and Processes of Fracture Formation in Tight-Gas Sandstone Reservoirs Using Fluid Inclusions

Andras Fall, Peter Eichhubl, Stephen E. Laubach

Unconventional Resources Technology Conference (URTEC)

... of the Raman CH 4 symmetric stretching (ν1) band position from 1–650 bar and 0.3–22°C: application to fluid inclusion studies. Geochimica et...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... paths thus traced are symmetric about the midpoint. Where the reflector is dipping there is no longer a common reflection point. Figure 1 illustrates...

Noise analysis and ML denoising of DAS VSP data acquired from ESP lifted wells

Ge Zhan, Yao Zhao, Cheng Cheng, Josef Heim, Weihong Fei, Mike Craven, Scott Baker, Gilles Hennenfent

International Meeting for Applied Geoscience and Energy (IMAGE)

... the raw DAS data. The network consists of an encoder-decoder framework with symmetric convolutional-deconvolutional layers and skip connections (Figure...

Assessment of the Lahendong Geothermal Field, North Sulawesi, Indonesia

S. Surachman, S. A. Tandirerung, T. Buntaran, D. Robert

Indonesian Petroleum Association

...-tectonic depression of Tondano, therefore, is not symmetric due to a major downthrow in the eastern part which abates westwards. The Geology...

Feasibility Study of Adiabatic Compressed Air Energy Storage in Porous Reservoirs

Jason P. Czapla, M. B. Clennell

Australian Petroleum Production & Exploration Association (APPEA) Journal

... storage over a medium duration (4–12 h). CSIRO and MAN-ES conducted a feasibility study on Adiabatic-CAES (A-CAES) based on the premise of storing...

An immersed absorbing boundary condition for scalar wavefield modeling under topography

KeJi Chen, Hanming Chen, Hui Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and D. Wu, 2020, An immersed boundary method with iterative symmetric interpolation for irregular surface topography in seismic wavefield modelling...

Reliability estimation of the prediction results by 1D deep learning ATEM inversion using maximum depth of investigation

Hyeonwoo Kang, Minkyu Bang, Soon Jee Seol, Joongmoo Byun

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Fig. 1). This system repeats to transmit a symmetric triangular current pulse about for 1.945 msec and interrupt, and measures the secondary field...

Rhythmic Sediments

Eric J. Barron, George T. Moore

Special Publications of SEPM

... is at a maximum. The mid-latitude jets are not zonally symmetric, rather they are tied to oceancontinent distributions (Fig. 12.1). In winter, the average...