Electrical resistivity in support of geological mapping along the Panama Canal

Rucker, Dale F.; Noonan, Gillian; Greenwood, William J.

doi:10.1016/j.enggeo.2010.10.012

Cited by 67 publications

(49 citation statements)

References 39 publications

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“…Higher resistivity zones are thought to represent unsaturated zones of unconsolidated sediments. As previously mentioned, although rapid changes in resistivity may suggest the presence of fault at the near surface, it is insufficient to make a reasonable judgement because anomalous zones may be caused by factor such as changes in geohydrologic conditions, lithology, or presence of channel cut and fill [37][38][39][40] . For VP1 and VP2 survey lines, resistivity values may be suspected to associate with terrain because low resistivity zones are found on both sides of the hill.…”

Section: Resultsmentioning

confidence: 97%

Detection of hidden faults beneath Khlong Marui fault zone using seismic reflection and 2-D electrical imaging

Saetang¹,

Yordkayhun²,

Wattanasen³

2014

ScienceAsia

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ABSTRACT:The Khlong Marui fault zone is a major fault located in the southern part of Thailand extending across the peninsula. In spite of the available information on fault segments and tectonic activity associated with faulting, the local scale fault characteristics are currently barely known and are often difficult to detect in areas where surface displacement has not occurred. The present geological field investigation reveals that the study area in Surat Thani province possibly contains more minor faults where the shallow faulting is evident. To detect fault locations and to study fault characteristics, seismic reflection analysis and 2-D electrical imaging were applied along the three survey lines as a case study. After data processing, an interpretation was proposed based on the correlation of geophysical results with the geological information. Discontinuities in the main horizons in seismic sections and correlatable zones in resistivity imaging indicate that faulting is present in a Permian-Carboniferous unit and may extend to the shallow subsurface in Quaternary sediments.

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Section: Resultsmentioning

confidence: 97%

Detection of hidden faults beneath Khlong Marui fault zone using seismic reflection and 2-D electrical imaging

Saetang¹,

Yordkayhun²,

Wattanasen³

2014

ScienceAsia

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“…Loke et al (2013) gave a good review of the developments of a variety of resistivity surveys. Among these studies, a few researchers used waterborne resistivity surveys for geological mapping (Rinaldi et al, 2006;Rucker et al, 2011) and submarine groundwater discharge (Day-Lewis et al, 2006;Henderson et al, 2010;Swarzenski et al, 2007). In the current study, we conducted resistivity imaging surveys with the Lippmann 4-point Light system and passive electrodes.…”

Section: Survey Configurationsmentioning

confidence: 99%

Examining lake-bottom structures with the resistivity imaging method in Ilan's Da-Hu Lake in Northeastern Taiwan

Chang

Liang-Chi

Lee

et al. 2015

Journal of Applied Geophysics

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“…The array configuration was made of 13 equispaced graphite electrodes at 5 m intervals. Rucker et al (2011) conducted a waterborne resistivity survey with floating dipole-dipole array along the entire length of the Panama Canal to characterize the types and volumes of sediments and rocks beneath the waterway.…”

Section: Introductionmentioning

confidence: 99%

Magnetic, electrical, and GPR waterborne surveys of moraine deposits beneath a lake: A case history from Turin, Italy

et al. 2011

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Bathymetry and bottom sediment types of inland water basins provide meaningful information to estimate water reserves and possible connections between surface and groundwater. Waterborne geophysical surveys can be used to obtain several independent physical parameters to study the sediments. We explored the possibilities of retrieving information on both shallow and deep geological structures beneath a morainic lake by means of waterborne nonseismic methods. In this respect, we discuss simultaneous magnetic, electrical, and groundpenetrating radar (GPR) waterborne surveys on the Candia morainic lake in northerly Turin (Italy). We used waterborne GPR to obtain information on the bottom sediment and the bathymetry needed to constrain the magnetic and electrical inversions. We obtained a map of the total magnetic field (TMF) over the lake from which we computed a 2D constrained compact magnetic inversion for selected profiles, along with a laterally constrained inversion for one electrical profile. The magnetic survey detected some deep anomalous bodies within the subbottom moraine. The electrical profiles gave information on the more superficial layer of bottom sediments. We identify where the coarse morainic material outcrops from the bottom finer sediments from a correspondence between high GPR reflectivity, resistivity, and magnetic anomalies.

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Electrical resistivity in support of geological mapping along the Panama Canal

Cited by 67 publications

References 39 publications

Detection of hidden faults beneath Khlong Marui fault zone using seismic reflection and 2-D electrical imaging

Detection of hidden faults beneath Khlong Marui fault zone using seismic reflection and 2-D electrical imaging

Examining lake-bottom structures with the resistivity imaging method in Ilan's Da-Hu Lake in Northeastern Taiwan

Magnetic, electrical, and GPR waterborne surveys of moraine deposits beneath a lake: A case history from Turin, Italy

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