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Report on an open dataset to constrain the Balmuccia peridotite body (Ivrea-Verbano Zone, Italy) through a participative gravity-modelling challenge

Hetényi, György
•
Baron, Ludovic
•
Scarponi, Matteo
altro
Müntener, Othmar
2024
  • journal article

Periodico
SWISS JOURNAL OF GEOSCIENCES
Abstract
The Balmuccia peridotite exposes relatively fresh mantle rocks at the Earth’s surface, and as such it is of interest for geologists and geophysicists. The outcrop is a kilometre-scale feature, yet its extent at depth is insufficiently imaged. Our aim is to provide new constraints on the shape of the density anomaly this body represents, through 3D gravity modelling. In an effort to avoid personal or methodology bias, we hereby launch an invitation and call for participative modelling. We openly provide all the necessary input data: pre-processed gravity data, geological map, in situ rock densities, and digital elevation model. The expected inversion results will be compared and jointly analysed with all participants. This approach should allow us to conclude on the shape of the Balmuccia peridotite body and the associated uncertainty. This crowd effort will contribute to the site surveys preparing a scientific borehole in the area in frame of project DIVE.
DOI
10.1186/s00015-023-00450-3
Archivio
https://hdl.handle.net/11368/3068620
https://link.springer.com/article/10.1186/s00015-023-00450-3
Diritti
open access
FVG url
https://arts.units.it/bitstream/11368/3068620/1/s00015-023-00450-3.pdf
Soggetti
  • Gravimetry

  • Gravity anomaly

  • Modelling

  • Open science

  • Alp

  • Balmuccia peridotite

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