Relevant bibliographies by topics / Subhorizontal fractures

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Conference papers
  5. Reports

Academic literature on the topic 'Subhorizontal fractures'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Subhorizontal fractures"

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Klint, Knud Erik S., and Peter Gravesen. "Fractures and Biopores in Weichselian Clayey Till Aquitards at Flakkebjerg, Denmark." Hydrology Research 30, no. 4-5 (1999): 267–84. http://dx.doi.org/10.2166/nh.1999.0015.

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The distribution of fractures and biopores in a clayey and sandy till aquitard was investigated in two excavations, on southern Zealand, Denmark. A large number of fracture data were measured and quantitative fracture properties calculated. The formation of fractures can be related to the depositional history of the tills during two glacier-advances/retreats and subsequent climatic changes during the Quaternary. The fractures including faults are separated into four systems: 1) Large vertical/subvertical fractures related to the oldest glacier-advance or interstadial climatic influence. 2) Hor
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Minato, Shohei, and Ranajit Ghose. "Nonlinear imaging condition and the effect of source illumination: Imaging fractures as nonwelded interfaces." GEOPHYSICS 80, no. 2 (2015): A25—A30. http://dx.doi.org/10.1190/geo2014-0406.1.

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Fluid flow through a fractured reservoir is often controlled by the large fractures. Seismically imaging these large fractures has the potential to illuminate their hydraulic properties. We derived a nonlinear imaging condition considering a medium containing nonwelded interfaces such as fractures for high-resolution fracture imaging. This was achieved by using the general correlation-type representation theorem relating the wavefield between two different states representing different fracture compliances. We numerically tested the imaging condition to investigate the effect of the nonlinear
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Grasmueck, Mark. "3-D ground‐penetrating radar applied to fracture imaging in gneiss." GEOPHYSICS 61, no. 4 (1996): 1050–64. http://dx.doi.org/10.1190/1.1444026.

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Three‐dimensional, ground‐penetrating radar (georadar) techniques suitable for geological engineering applications have been developed and tested. Initial experiments were conducted on the floor of a quarry in southern Switzerland from which ornamental gneissic rock is extracted. During a brief two‐day period, constant‐offset georadar data were recorded over a [Formula: see text] area with a grid cell size of 0.1 m × 0.2 m. Georadar velocities were estimated from the results of expanding spread surveys. All georadar data and associated geometry files were recorded automatically in seismic indu
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4

McFall, G. H. "Faulting of a Middle Jurassic, ultramafic dyke in the Picton Quarry, Picton, southern Ontario." Canadian Journal of Earth Sciences 27, no. 11 (1990): 1536–40. http://dx.doi.org/10.1139/e90-163.

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A fault zone coinciding with a Middle Jurassic, ultramafic dyke exposed in the Picton Quarry in Prince Edward County, Ontario, is marked by steeply dipping, generally east–west-striking fractures. The dyke has been affected by faulting, as evidenced by the presence of subhorizontal slickensides on fractures cutting the dyke rock. This discovery constitutes the first known example of Middle Jurassic or younger faulting having affected Paleozoic strata of southern Ontario and indicates that the structural and tectonic history of the region is more complex than commonly believed.
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Talley, Jennifer, Gregory S. Baker, Matthew W. Becker, and Nicholas Beyrle. "Four dimensional mapping of tracer channelization in subhorizontal bedrock fractures using surface ground penetrating radar." Geophysical Research Letters 32, no. 4 (2005): n/a. http://dx.doi.org/10.1029/2004gl021974.

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6

Haimson, B., M. Lee, N. Chandler, and D. Martin. "Estimating the state of stress from subhorizontal hydraulic fractures at the underground research laboratory, Manitoba." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 30, no. 7 (1993): 959–64. http://dx.doi.org/10.1016/0148-9062(93)90052-f.

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7

PHILIPP, SONJA L. "Geometry and formation of gypsum veins in mudstones at Watchet, Somerset, SW England." Geological Magazine 145, no. 6 (2008): 831–44. http://dx.doi.org/10.1017/s0016756808005451.

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AbstractGypsum veins and faults were studied in red mudstones of the Upper Triassic Mercia Mudstone Group, in the Bristol Channel Basin, exposed in E–W-trending cliffs at Watchet on the Somerset Coast (SW England). In nodular gypsum horizons, individual gypsum nodules are connected by subhorizontal gypsum veins. In evaporite-free mudstone layers, however, dense anastomosing networks of gypsum veins occur. In a 300 m long profile dissected by 28 (mostly) normal faults with small displacements, 24 faults have veins following them, indicating palaeofluid transport along the fault planes. Ninety-s
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8

Rossello, Eduardo A., and José Luis Saavedra. "Contribution of bedding to the petrophysical characterization of naturally fractured reservoirs: Example of the Matachines fields, Upper Magdalena Valley (Valle Superior del Magdalena – VSM) Colombia." Boletín Geológico, no. 46 (June 30, 2020): 23–49. http://dx.doi.org/10.32685/0120-1425/boletingeo.46.2020.534.

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The Matachines field, located in the Girardot subbasin, Upper Magdalena Valley (Valle Superior del Magdalena – VSM) basin, has a morphology characterized by antiforms arranged along a N–S axis. These antiforms involve multiphase tectono-sedimentary sequences with half-graben geometries associated with Mesozoic sequences reactivated by at least three Andean phases. Bedding surfaces are mechanically active planes that contribute to the flexural slip that is generated by the folding of multilithologic sequences. In the Matachines field, the bedding planes help to improve the petrophysical charact
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9

Fyson, W. K., and V. A. Jackson. "Reorientation of structures near granitic plutons and orthogonal lineaments, Russell Lake supracrustal domain, southwestern Slave Province." Canadian Journal of Earth Sciences 28, no. 1 (1991): 126–35. http://dx.doi.org/10.1139/e91-011.

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A complex array of folds and cleavages in metasedimentary and metavolcanic rocks in the Russell Lake domain could reflect regional compression recurrently reoriented across crustal lineaments. Several generations of steeply inclined folds trending northward across the domain curve into or interfere with folds parallel to margins of bordering granite batholiths aligned orthogonally northwest (LNW) and northeast (LNE). Sets of later subvertical cleavages strike northward, northwest parallel and oblique to LNW, and northeastward subparallel to LNE. The cleavages extend beyond the aligned margins,
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Hébert, Réjean, Michel Rocheleau, Christine Giguère, Benoît Perrier, and Roch Gaudreau. "Pétrologie et gîtologie d'un filon-couche différencié et minéralisé archéen : le gisement aurifère Sigma-2, canton de Louvicourt, Québec." Canadian Journal of Earth Sciences 28, no. 11 (1991): 1731–43. http://dx.doi.org/10.1139/e91-155.

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The Archean Sigma-2 orebody is hosted in the felsic granophyric zone of the differentiated Vicour sill. The sill contains anomalous gold valves and is intrusive into the uppermost part of the Val-d'Or Formation. A geochemical study shows that the Vicour sill has evolved from a ferriferous tholeiitic melt and is comagmatic with the Héva Formation to the south. The competent granophyric zone has been affected by several ductile–brittle deformation events. Three systems of faults and fractures are recognized. Each of these systems is composed of two to three subsystems. The main fault system is o
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Dissertations / Theses on the topic "Subhorizontal fractures"

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Curti, Daiane Katya. "Tipologia e origem das fraturas sub-horizontais em basaltos da Formação Serra Geral, Brasil." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/44/44141/tde-16082011-164931/.

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Nos derrames basálticos da Formação Serra Geral são reconhecidas numerosas ocorrências de fraturas sub-horizontais de grande continuidade lateral. Tais fraturas, de até centenas de metros de extensão, foram consideradas estruturas típicas em derrames e constituem importantes descontinuidades na estabilidade de obras de engenharia e como rotas de percolação de fluídos. Descritas inicialmente no final da década de 60, as fraturas sub-horizontais em derrames basálticos foram intensamente estudadas até o início da década de 90, por ocasião da construção de grandes barragens sobre os derrames basál
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Books on the topic "Subhorizontal fractures"

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Paillet, F. L. Analysis of geophysical well logs and flowmeter measurements in boreholes penetrating subhorizontal fracture zones, Lac du Bonnet Batholith, Manitoba, Canada. Dept. of the Interior, U.S. Geological Survey, 1990.

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Conference papers on the topic "Subhorizontal fractures"

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Baker, G. S., K. Burns, and J. T. Pardy. "Using GPR to Monitor Fluid Channelization in a Subhorizontal Bedrock Fracture by Tracking a High-salinity Tracer." In Near Surface 2007 - 13th EAGE European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609.20146582.

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Baker, Gregory S., Jennifer Talley, Matthew W. Becker, and Nicholas Beyrle. "Examining meter‐scale fluid channelization in a subhorizontal bedrock fracture by tracking high‐salinity tracer using surface ground penetrating radar." In SEG Technical Program Expanded Abstracts 2005. Society of Exploration Geophysicists, 2005. http://dx.doi.org/10.1190/1.2147866.

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Reports on the topic "Subhorizontal fractures"

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Analysis of geophysical well logs and flowmeter measurements in boreholes penetrating subhorizontal fracture zones, Lac de Bonnet Batholith, Manitoba, Canada. US Geological Survey, 1989. http://dx.doi.org/10.3133/wri894211.

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