| Titre | Remote predictive mapping (RPM) - an overview with examples |
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| Auteur | Harris, J R; Desnoyers, D |
| Source | 32nd Annual Yellowknife Geoscience Forum, Abstracts of talks and posters; Northwest Territories Geoscience Office, Yellowknife Geoscience Forum Abstracts Volume vol. 2004, 2004 p. 33  Accès ouvert |
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| Année | 2004 |
| Séries alt. | Secteur des sciences de la Terre, Contribution externe 2004159 |
| Éditeur | Northwest Territories Geoscience Office |
| Réunion | 32nd Annual Yellowknife Geoscience Forum; Yellowknife, NT; CA; Novembre 16-18, 2004 |
| Document | publication en série |
| Lang. | anglais |
| Media | papier; en ligne; numérique |
| Formats | pdf |
| Sujets | télédétection; méthodes radar; levés géophysiques; travaux de prospection; Méthodologie; géologie générale; géophysique; Sciences et technologie |
| Programme | La mise en valeur des ressources du Nord |
| Diffusé | 2004 11 01 |
| Résumé | (disponible en anglais seulement)
Exposed geology represents a random two-dimensional view of a time series of 4-dimensional geological processes. 'Mapping' is the process of combining
observations at all scales (micrometre to km) to unravel the sequence of events throughout geological time. In a terrestrial setting, this process involves establishing an inventory of direct and indirect lithological, structural, geochronological
and geochemical observations, often mixing systematic and opportunistic data acquisition, and then integrating these data into an internally self-consistent model of terrestrial evolution.
Natural Resources Canada, faced with an immense landmass,
a demand for sustainable resource development, and ever increasing costs of operation in the north, is actively investigating a variety of proven and evolving techniques to change the way we 'map'. These techniques include the use of cost effective
optical and radar technology for preliminary reconnaissance followed by airborne geophysics, and other airborne remote sensing techniques. The results, combined with any other available data for the particular region under study, would be a first
order predictive map. This predictive map would focus the resulting ground follow-up by identifying the areas that have the potential to provide the most information. Subsequent field mapping or 'ground-truthing' and other more traditional activities
involving physical specimens such as geochronology, geochemistry and petrology would result in a traditional geoscience 'map' of the area. This map, or more precisely the sum total of the data that this map represents, can then be used as a predictor
for similar (typically adjacent) areas, thus expanding the influence of the field mapping.
The RPM goal is to develop the expertise and a toolkit of techniques to allow us to 'map' more effectively and efficiently in a wide variety of situations.
Examples from a number of proposed and on-going northern geoscience projects will be discussed. |
| GEOSCAN ID | 215889 |
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