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Filters: Author is Smith, Richard S.  [Clear All Filters]
2024
H. Shahsavani and Smith, R. S., “Aeromagnetic gradiometry with UAV, a case study on small iron ore deposit”, Drone Systems and Applications, vol. 12, pp. 1-9, 2024.
F. Della Justina, Smith, R. S., and Haugaard, R., “A case history using gravity data to validate alternate interpretations of the material below a deep seismic reflector in the Matheson area of Ontario, Canada”, Geophysics, pp. B443-B452, 2024.
F. Della Justina and Smith, R. S., “Using gravity data uncertainties in forward modeling to estimate uncertainties in model parameters: A case history in estimating the dip and the dip uncertainty of the Porcupine Destor Fault”, Geophysics, vol. 89, pp. B229-B240, 2024.
2023
R. S. Smith, Naghizadeh, M., Cheraghi, S., Adetunji, A., Vayavur, R., Eshaghi, E., Hill, G. J., Snyder, D., Roots, E. A., Justina, F. Della, Fam, H. Jodeiri Ak, Mancuso, C., McNeice, W., Maleki, A., Haugaard, R., Jørgensen, T. R. C., Wannamaker, P. E., and Maris, V., “Geophysical transects in the Abitibi greenstone belt of Canada from the mineral-exploration-oriented Metal Earth project”, The Leading Edge, vol. 42, pp. 245-255, 2023.
2022
E. A. Roots, Hill, G. J., Frieman, B. M., Wannamaker, P. E., Maris, V., Calvert, A. J., Craven, J. A., Smith, R. S., and Snyder, D. B., “Magmatic, hydrothermal and ore element transfer processes of the southeastern Archean Superior Province implied from electrical resistivity structure”, Gondwana Research, vol. 105, pp. 84-95, 2022.
R. S. Smith, Roots, E. A., and Rainsford, D., “Open-source software for two-dimensional Fourier processing of gridded magnetic data”, The Leading Edge, vol. 41, pp. 454-461, 2022.
2020
T. J. Lee and Smith, R. S., “Multiple-order moments of the transient electromagnetic response of a one-dimensional earth with finite conductance – theory”, Exploration Geophysics, vol. 52, pp. 1-15, 2020.
2018
Y. Li and Smith, R. S., “Contrast source inversion (CSI) method to cross-hole radio-imaging (RIM) data - Part 2: a complex synthetic example and a case study”, Journal of Applied Geophysics, vol. 150, pp. 93-100, 2018.
GeoRef, Copyright 2018, American Geological Institute.818467-9contrast source inversionradio-imaging
Y. Li and Smith, R. S., “Modelling and straight-ray tomographic imaging studies of cross-hole radio-frequency electromagnetic data for mineral exploration”, Geophysical ProspectingGeophysical Prospecting, vol. 66, pp. 282-299, 2018.
GeoRef, Copyright 2018, American Geological Institute.818900-3
2017
F. E. S. Gaucher and Smith, R. S., “Exploring for copper–gold deposits exhibiting a wide range of conductivities with time–domain electromagnetics at Opemiska, Canada”, Sixth Decennial International Conference on Mineral Exploration. Toronto, ON, 2017.
S. R. M. Long, Smith, R. S., and Hearst, R. B., “Ground resistivity method and DCIP2D forward and inversion modelling to identify alteration at the Midwest uranium deposit, northern Saskatchewan, Canada”, Exploration GeophysicsExploration Geophysics, vol. 48, pp. 383-393, 2017.
GeoRef, Copyright 2018, American Geological Institute.822091-4DCIP2Dforward modelsMidwest Depositsynthetic data
F. E. S. Gaucher and Smith, R. S., “The impact of magnetic viscosity on time-domain electromagnetic data from iron oxide minerals embedded in rocks at Opemiska, Québec, Canada”, GeophysicsGeophysics, vol. 82, pp. B165-B176, 2017.
F. E. S. Gaucher and Smith, R. S., “The impact of magnetic viscosity on time-domain electromagnetic data from iron oxide minerals embedded in rocks at Opemiska, Quebec, Canada”, Geophysics, vol. 82, pp. B165-B176, 2017.
GeoRef, Copyright 2018, American Geological Institute.2017-071398Chapais QuebecOpemiska Mine
Y. Li and Smith, R. S., “Modelling and straight-ray tomographic imaging studies of cross-hole radio-frequency electromagnetic data for mineral exploration”, Geophysical ProspectingGeophysical Prospecting, 2017.
Y. Li and Smith, R. S., “Modelling and straight-ray tomographic imaging studies of cross-hole radio-frequency electromagnetic data for mineral exploration”, Geophysical ProspectingGeophysical Prospecting, vol. 66, pp. 282-299, 2017.
Compilation and indexing terms, Copyright 2018 Elsevier Inc.20172203706557Amplitude tomographyElectromagneticElectromagnetic modellingElectromagnetic tomographyRadio frequency rangeRadio imaging methodsStraight ray tomographyThree dimensional finite elements
O. Mahmoodi, Smith, R. S., and Spicer, B., “Using constrained inversion of gravity and magnetic field to produce a 3D litho-prediction model”, Geophysical ProspectingGeophysical Prospecting, vol. 65, pp. 1662-1679, 2017.
GeoRef, Copyright 2018, American Geological Institute.809535-17
2016
J. K. Desmarais and Smith, R. S., “Approximate semianalytical solutions for the electromagnetic response of a dipping-sphere interacting with conductive overburden”, GeophysicsGeophysics, vol. 81, pp. E265-E277, 2016.
J. K. Desmarais and Smith, R. S., “Approximate semianalytical solutions for the electromagnetic response of a dipping-sphere interacting with conductive overburden”, Geophysics, vol. 81, pp. E265-E277, 2016.
GeoRef, Copyright 2018, American Geological Institute.2016-076679Reid Mahaffy
J. K. Desmarais and Smith, R. S., “Benefits of using multi-component transmitter-receiver systems for determining geometrical parameters of a dipole conductor from single-line anomalies”, Exploration Geophysics (Melbourne), vol. 47, pp. 1-12, 2016.
GeoRef, Copyright 2018, American Geological Institute.2016-087939synthetic data
J. K. Desmarais and Smith, R. S., “Decomposing the electromagnetic response of magnetic dipoles to determine the geometric parameters of a dipole conductor”, Exploration Geophysics (Melbourne), vol. 47, pp. 13-23, 2016.
GeoRef, Copyright 2018, American Geological Institute.2016-087940
T. Naprstek and Smith, R. S., “The effect of dielectric permittivity on the fields radiated from a radio-frequency electric dipole in a homogeneous whole space”, GeophysicsGeophysics, vol. 81, pp. K1-K8, 2016.
S. R. M. Long, Smith, R. S., and Hearst, R. B., “Ground resistivity method and DCIP2D forward and inversion modelling to identify alteration at the Midwest uranium deposit, northern Saskatchewan, Canada”, Exploration GeophysicsExploration Geophysics, 2016.
O. Mahmoodi, Smith, R. S., and Tinkham, D. K., “Supervised classification of down-hole physical properties measurements using neural network to predict the lithology”, Journal of Applied Geophysics, vol. 124, pp. 17-26, 2016.
Compilation and indexing terms, Copyright 2018 Elsevier Inc.20154701583775Down holesHeterogeneous rocksMagnetic susceptibility measurementsPhysical unitPredictive accuracySupervised classificationSupervised neural networksVictoria
O. Mahmoodi, Smith, R. S., and Spicer, B., “Using constrained inversion of gravity and magnetic field to produce a 3D litho-prediction model”, in SEG International Exposition and 86th Annual Meeting, SEG 2016, October 16, 2011 - October 21, 2011, vol. 35, Dallas, TX, United states: Society of Exploration Geophysicists, 2016, pp. 2170-2174.
Compilation and indexing terms, Copyright 2018 Elsevier Inc.20172003662434
2015
J. K. Desmarais and Smith, R. S., “Combining spatial components and Hilbert transforms to interpret ground-time-domain electromagnetic data”, GeophysicsGeophysics, vol. 80, pp. E237-E246, 2015.