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Application of gravity and airborne magnetics to structural-magnetic mapping of the metamorphic massive Isla de la Juventud

Pardo-Echarte, Manuel Enrique (2015) Application of gravity and airborne magnetics to structural-magnetic mapping of the metamorphic massive Isla de la Juventud. Boletín de Ciencias de la Tierra (38). pp. 75-89. ISSN 2357-3740

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Resumen

In an attempt to contribute to the structural mapping of metamorphic massif Isla de la Juventud, with emphasis to acidic magmatism, gravitational-magnetometer data of the territory by means the processing technology Oasis Montaj are used. According to their findings, the presumed postmetamorphic granitic bodies of low density and magnetic susceptibility are located mainly in the central and southwestern part of the massif. On the flanks of Antiform Río Los Indios are mapped rocks of the high part of Cañada Formation, also with low density. The granitic bodies apparently were introduced through the system of longitudinal (synmetamorphic) and transverse (postmetamorphic) faults at the end of the multifolding and metamorphism process of the sequences of the massif, taking a dominant role the zones of longitudinal deep fractures of sublatitudinal direction in the central and southern part of the massif. Late regional dome structure is understand now within the meaning of morfoanticlinal uprising in the region, resulting from the exhumation of metamorphic massif. Does this mean that cracking generated during the evolution of this structure is not affected by acidic magmatism and in consequence for its specific metallogeny of rare and precious metals.

Tipo de documento:Artículo - Article
Palabras clave:metamorphic massifs, structural mapping, acidic magmatism, gravitational-magnetometer data
Temática:5 Ciencias naturales y matemáticas / Science > 55 Ciencias de la tierra / Earth sciences & geology
Unidad administrativa:Revistas electrónicas UN > Boletín Ciencias de la Tierra
Código ID:60664
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :28 Noviembre 2017 19:36
Ultima modificación:28 Noviembre 2017 19:36
Ultima modificación:28 Noviembre 2017 19:36
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