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http://hdl.handle.net/2122/14322| Authors: | Bagagli, Matteo* Kissling, Edi* Piccinini, Davide* Saccorotti, Gilberto* |
Title: | Local earthquake tomography of the Larderello-Travale geothermal field | Journal: | Geothermics | Series/Report no.: | /83 (2020) | Publisher: | Elsevier | Issue Date: | 2020 | DOI: | 10.1016/j.geothermics.2019.101731 | Subject Classification: | 04.01 | Abstract: | The Larderello-Travale Geothermal Field in South-West Tuscany (Italy) is the oldest and among the most pro- ductive geothermal fields in the world. A new 3D model of seismic P-wave velocity (V P ) of the upper crust beneath the geothermal field is derived by inverting a set of highly consistent travel-times from local-earth- quakes. Results document a marked correlation of V P with previously described, high-reflectivity horizons. We also determined a low velocity body (V P ∼5 km s −1 ) culminating at depths of about 7 km, with estimated vo- lume of 35–40 km 3 . Such low velocities are consistent with a granite at temperatures above 700 °C, thus in a partially-molten status. |
| Appears in Collections: | Article published / in press |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Bagagli_Geothermics2020.pdf | Open Access Article | 4.48 MB | Adobe PDF | View/Open |
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