Catherine Truffert , Charles Gumiaux , Jean Chantraine , José Perrin , Armand Galdeano , Denis Gapais , Michel Ballèvre , Fouzia Asfirane , Pol Guennoc , Jean-Pierre Brun
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Levé géophysique aéroporté dans le Sud-Est du Massif armoricain (programme GéoFrance3D Armor2). Magnétisme et radiométrie spectrale
A detailed geophysical survey has been carried out in the Armorican massif. Magnetic and radiometric data have been simultaneously recorded. The studied area offers a short cross-section through the major domains of the Variscan collision belt. Geophysical maps have been correlated with a regional geological map drawn within the framework of the project (Armor2, GéoFrance 3D). Geological contours could be revisited and continuity of some structural features are evident. Radiometric maps allowed identifying the geochemical content of K, U and Th within volcano-sedimentary units. Magnetic geological formations are followed beneath the Neogene sedimentary cover and offshore.
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