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Geophysics Methodology

Zonge is now an agent for GEM Systems Magnetometers

Zonge International is pleased to announce that the company is now a sales agent for GEM Systems magnetometers in the United States. GEM Systems, based in Ontario, Canada is a global leader in the design and manufacture of advanced magnetometers. Their fully-integrated Ground Magnetics survey systems with GPS and optional VLF-EM capability, are known for […]

3D Imaging of Subsurface Features Using GPR Array Beam Imaging

Publisher – EEGS, SAGEEP Proceedings, 2000 Authors – Jeffrey L. Orrey, Ojo Solutions,Boulder, Colorado; Phil C. Sirles*, Microgeophysics Corp., Wheat Ridge, Colorado; Charles B. Archambeau, TRAC-NA, Boulder, Colorado Paper – [pdf] Sirles_2000_3D_Imaging_of_Subsurface_Features_Using_GPR_Array_Beam_Imaging Abstract

Crosshole Sonic Logging vs 2D and 3D Crosshole Sonic Logging Tomography for Drilled Shafts

Publisher – 2002 Authors – N. Mekic-Stall, N. and Phil Sirles*, Denver, Colorado Paper! Abstract

Case Histories of Buried Borehole Detection

Publisher – Zonge, 1996. Environmental and Engineering Geophysical Society (EEGS), presented at SAGEEP, 1996, Keystone, Colorado. Authors – Norman R. Carlson* and Kenneth L. Zonge, Zonge Engineering and Research Organizations, Tucson, Arizona Paper – [pdf] NanoBore_BuriedBoreholeCaseHistory Summary Abstract

Using Geophysics to Evaluate an Embankment Dam Sinkhole

Publisher – U.S. Society on Dams, 29th Annual USSD Conference, Nashville, Tennessee, April 20-24, 2009 Authors – Michael McCaffrey, PB Power, Boston, Massachusetts; Phil Sirles, Zonge International, Denver, Colorado; William Black, Norcal Geophysical, Inc., Cotati, California; Paul Shiers, PB Power, Boston, Massachusetts; Ray Barham, Alcoa Power Generation Inc., Knoxville, Tennessee Publication – [pdf] DAMS_Sirles 2009 […]

Identification of Unexploded Ordnance from Clutter Using Neural Networks

Publisher – EEGS, 2008 Authors – Anna Szidarovszky*, Zonge Engineering and Research Organization, Tucson, Arizona; Mary Poulton, University of Arizona, Department of Mining Engineering, Tucson, Arizona; Scott C. MacInnes*, Zonge Engineering and Research Organization, Soldotna, Alaska Paper – [pdf] UXO_IDfrClutter_NeuralNetworks Abstract

Field Tests of an Experimental Helicopter Time-domain EM System for Unexploded Ordnance Detection

Publisher – Society of Exploration Geophysicists, 2004. Published on Geophysics Online February 6, 2004. Authors – Les P. Beard*, William E. Doll, T. Jeffrey Gamey and David T. Bell, Oak Ridge national Laboratory, Oak Ridge, Tennessee; J. Scott Holladayz, James L.C. Leez, Geosensors, Toronto, Ontario Paper – [pdf] UXO_GEOP_HeliTEM_for_uxo_LPB_2004 Abstract

UXO Classification Using Characteristic Modes of the Broadband Electromagnetic Induction Response

Publisher – Zonge, 1999, 2000.  Variations of this paper have been presented at the following conferences: 1. A New Technology Applications Conference on the Science and Technology of Unexploded Ordnance (UXO) Removal and site Remediation. Maui, Hawaii, November 8-11, 1999. 2. SAGEEP 2000, Arlington, Virginia, February 20-24, 2000 (Proceedings, p. 747) 3. Pacific Environmental Restoration […]

Value of Multi-component TEM Data for Estimation of UXO Target Parameters

Publisher – EEGS, 2004. Authors – Donald D. Snyder, Snyder Geoscience, Inc., Grand Junction, Colorado Scott C. MacInnes*, Zonge Engineering & Research Org., Inc, Tucson, Arizona Jennifer L. Hare*, Zonge Engineering & Research Org., Inc, Tucson, Arizona Robert E. Grimm, Southwest Research Institute, Boulder, Colorado Mary Poulton, University of Arizona, Tucson, Arizona Anna Szidarovszky*, University […]

Application of an Artificial Neural Network for Airborne Magnetic Data Discrimination

Publisher – SAGEEP, 2011. Authors – Jeannie Norton, Battelle, Oak Ridge, Tennessee Jacob Sheehan*, Zonge International, Denver, Colorado Les Beard*, Zonge International, Tucson, Arizona Paper –  [pdf] UXO_SAGEEP_ANNs_for_ordnance_LPB_2011-UXO Abstract Introduction