Incipient Wolframite Deposition at Panasqueira (Portugal): W-Rich Rutile and Tourmaline Compositions as Proxies for the Early Fluid Composition

Carocci, Eleonora; Marignac, Christian; Cathelineau, ‪Michel; Truche, Laurent; Poujol, Marc; Boiron, Marie‐Christine; Pinto, Filipe

doi:10.5382/econgeo.4783

Public

Incipient Wolframite Deposition at Panasqueira (Portugal): W-Rich Rutile and Tourmaline Compositions as Proxies for the Early Fluid Composition

Published in Economic Geology • Dec 12, 2020

Authors:

Eleonora Carocci

Christian Marignac

‪Michel Cathelineau

Abstract

Abstract The main event responsible for the deposition of tungsten at Panasqueira was closely associated with strong tourmalinization of the wall rocks. Tourmaline is coeval with a W-rich rutile (up to 8–10 wt % W), and both minerals record an early introduction of W in the system, just before the m...

Subject

Tourmaline

Wolframite

Geology

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