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TitleA review of hyperspectral remote sensing research at NRCAN for geological mapping and exploration of Canada's North
AuthorHarris, J R; Peter, JORCID logo; White, H PORCID logo; Malloley, M; Gauthier, B; Budketwitsch, P; Wickert, L
Source33rd Canadian Symposium on Remote Sensing, abstracts; by Canadian Symposium on Remote Sensing; 2012 p. 10 Open Access logo Open Access
LinksOnline - En ligne
LinksAbstracts (PDF, 1.22 MB)
Alt SeriesEarth Sciences Sector, Contribution Series 20140073
Meeting33rd Canadian Symposium on Remote Sensing; Ottawa; CA; June 11-14, 2012
Mediaon-line; digital
File formatpdf
Subjectsgeophysics; metallic minerals; remote sensing; analytical methods; alteration; mineral deposits; vegetation
ProgramGEM: Geo-mapping for Energy and Minerals
ProgramTargeted Geoscience Initiative (TGI-4) Volcanogenic Massive Sulfide Ore Systems
AbstractAirborne hyperspectral methods have been shown to be highly effective for geological mapping and mineral exploration. However, the majority of research and development has occurred in areas of little to no vegetation cover, typical of hot, arid environments with abundant outcrop and/or regolith. There are fewer case-studies in the public domain that demonstrate the usefulness of hyperspectral remote sensing for the unique geographic and climatic conditions of Canada's North, exemplified by cold temperatures, minimal surface weathering, minimal vegetation cover, and variable lichen cover.
This talk summarizes hyperspectral research and development activities at Natural Resources Canada for geological mapping and exploration in Canada's North over the last 10 years. A number of case studies using a variety of airborne hyperspectral data are discussed covering themes such as spectral/lithological mapping, detection of alteration minerals associated with various mineral deposits including volcanic-massive sulphides and orogenic gold, the effect of lichen and other flora on spectra as well as the effect of weathering on spectra.

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