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Journal of Maps Volume 11, 2015 - Issue 1
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SCIENCE

Structural map of Variscan northern Sardinia (Italy)

Leonardo CasiniDipNeT, University of Sassari, Sassari, ItalyCorrespondence[email protected]
,
Stefano CuccuruDipNeT, University of Sassari, Sassari, Italy
,
Matteo MainoDiSTA, University of Pavia, Pavia, Italy
,
Giacomo OggianoDipNeT, University of Sassari, Sassari, Italy
,
Antonio PucciniDipNeT, University of Sassari, Sassari, Italy
&
Philippe RossiBRGM, Orléans Cedex 2, France
Pages 75-84 | Received 27 Feb 2014, Accepted 21 May 2014, Published online: 03 Jul 2014
 
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Abstract

In this paper, we present a geological structural map (1:100,000 scale, ∼2300 km2 surface area) of the Variscan basement of northern Sardinia. The map integrates field structural analysis, extensive gamma-ray spectrometry, and high-resolution ELA-ICP-MS U/Th-Pb zircon and monazite dating. A set of 10 samples of granitic rocks collected from different plutons were characterized for their crystallization age. This provided an accurate timing of magmatic events related to the development of the Corsica-Sardinia Batholith. The structural map, complemented with geochronological results represents a benchmark for future studies on Variscan geodynamics.

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