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TitreApplication of landsat imagery and surficial geochemistry to the discovery of tungstenskam deposits associated with buried plutons, Yukon and northwest territories, Canada
AuteurGoodfellow, W D; Aronoff, S
SourceGeocarto International vol. 4, no. 1, 1988 p. 3-16, https://doi.org/10.1080/10106048809354177
Année1988
Séries alt.Commission géologique du Canada, Contributions aux publications extérieures 32590
ÉditeurInforma UK Limited
Documentpublication en série
Lang.anglais
DOIhttps://doi.org/10.1080/10106048809354177
Mediapapier; en ligne; numérique
Formatspdf
ProvinceYukon; Territoires du Nord-Ouest
SNRC105I
Lat/Long OENS-130.0000 -128.0000 63.0000 62.0000
Sujetssatellite LANDSAT; satellites; images du satellite LANDSAT; gisements minéraux; skarns; tungstène; roches ignées; roches plutoniques; établissement de modèles; méthodes d'exploration; anomalies géochimiques; levés géochimiques; géochimie des sédiments de cours d'eau; roches sédimentaires; magmas; mise en place; estimation des ressources; acidité; télédétection; altération; Cordillère; géochimie; géophysique; Paléozoïque; Mésozoïque; Précambrien
Résumé(disponible en anglais seulement)
In the past, the exploration for economically important tungsten-skam deposits has focused on felsic plutons because of their close genetic and spatial association with tungsten mineralization. Roofed plutons have usually been excluded from consideration because they have no surface expression. In this study, a tungsten deposit model was integrated with LANDSAT imagery, surficial geochemistry and mineral occurrences, and the response from known tungsten-skam deposits evaluated by image analysis. The most effective indications of this type of mineralization were then established interactively and a procedure was developed for locating tungsten mineralization concealed below the surface. Because it is difficult to visualize and compare many geochemical anomalies simultaneously, a compact method of rating and coding geochemical anomalies was developed. This co-occurrence idex was tested with known deposits, and then used to identify promising new exploration targets.
GEOSCAN ID126916