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dc.contributor.authorCamacho, Antonio G.-
dc.contributor.authorFernández Torres, José-
dc.contributor.authorGonzález Méndez, Pablo José-
dc.contributor.authorRundle, J. B.-
dc.contributor.authorPrieto, Juan Francisco-
dc.contributor.authorArjona, Alicia-
dc.identifier.citationJournal of Geophysical Research, 2009, 114, B05411en_US
dc.description.abstractA recent gravity survey composed of 317 bench marks all over the island of La Palma (Canary Islands) is used, in combination with satellite data for regional aspects, to obtain results about structural properties of the island connected with the tectonic environment and local volcanism. To that end, a nonlinear three-dimensional gravity inversion approach is considered. The inversion scheme provides, in a nonsubjective form, the geometry of the anomalous bodies constructed in a random growth process. Results from the inversion can be interpreted in the framework of the geologic evolution of this ocean island volcano as a complex composite volcano with a large central body with high-density corresponding to the older intrusive part of the basalt complex. New unexpected features are enlightened, such as large thermal anomalies in the upper mantle southward of La Palma, as well as fracture en echelon zones associable to a slow active process of dislocation related to the recent volcanism in the southern half of the island. The results obtained for La Palma as a test site testify to the usefulness of the developed gravity inversion methodology for structural studies on islands in general.en_US
dc.format.extent925298 bytes-
dc.publisherAmerican Geophysical Unionen_US
dc.subjectgravity inversionen_US
dc.subjectLa Palma Islanden_US
dc.subjectcrustal structureen_US
dc.subjectGravity anomaliesen_US
dc.subjectExploration Geophysicsen_US
dc.subjectMathematical Geophysicsen_US
dc.subjectInverse theoryen_US
dc.subjectStructural Geologyen_US
dc.titleStructural results for La Palma island using 3-D gravity inversionen_US
dc.description.peerreviewedPeer revieweden_US
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