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Structural and metallogenic map of late Variscan Arbus Pluton (SW Sardinia, Italy)

Author

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  • Stefano Cuccuru
  • Stefano Naitza
  • Francesco Secchi
  • Antonio Puccini
  • Leonardo Casini
  • Pamela Pavanetto
  • Ulf Linnemann
  • Mandy Hofmann
  • Giacomo Oggiano

Abstract

This paper presents the geological, structural and metallogenic map of the Arbus Pluton, a late Variscan composite intrusion belonging to the Corsica-Sardinia Batholith. The pluton is surrounded and crosscut by a wide variety of vein ore deposits. The Arbus Pluton was emplaced at shallow crustal levels at the end of the Variscan Orogeny, along an E–W trending shear zone located in the low-grade external nappe pile of the Sardinian basement. The architecture of the pluton is roughly concentric with a core of cordierite-bearing leucogranites and an outer shell composed of pyroxene-bearing and hornblende granodiorites. New U/Pb dating on zircons of granodiorite yields an emplacement age of 303.7 ± 1.1 which improves previous Rb/Sr and Ar/Ar dating. The map has been compiled on the basis of new geological/structural surveys and petrographical studies coupled with in situ gamma ray spectrometry. All the data-sets have been processed using a geographical information system.

Suggested Citation

  • Stefano Cuccuru & Stefano Naitza & Francesco Secchi & Antonio Puccini & Leonardo Casini & Pamela Pavanetto & Ulf Linnemann & Mandy Hofmann & Giacomo Oggiano, 2016. "Structural and metallogenic map of late Variscan Arbus Pluton (SW Sardinia, Italy)," Journal of Maps, Taylor & Francis Journals, vol. 12(5), pages 860-865, October.
    • Handle: RePEc:taf:tjomxx:v:12:y:2016:i:5:p:860-865
    DOI: 10.1080/17445647.2015.1091750
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    Cited by:

    1. Dario Fancello & Jessica Scalco & Daniela Medas & Elisa Rodeghero & Annalisa Martucci & Carlo Meneghini & Giovanni De Giudici, 2019. "XRD-Thermal Combined Analyses: An Approach to Evaluate the Potential of Phytoremediation, Phytomining, and Biochar Production," IJERPH, MDPI, vol. 16(11), pages 1-20, June.
    2. Careddu, Nicola & Cuccuru, Stefano & Grillo, Silvana Maria, 2021. "Sardinian granitoids: 4000 years of geoheritage and dimension stones," Resources Policy, Elsevier, vol. 74(C).

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