Fregeneda–Almendra pegmatitic field

The Fregeneda–Almendra pegmatitic field is a geologic area in the Iberian Peninsula extending across the Portuguese district of Guarda and the Spanish province of Salamanca. Part of the Central Iberian Zone,[1] it is located in the western part of a narrow E–W metamorphic belt.[2] Comprising a variety of granitic pegmatites, where some rocks are rich in lithium. The Li minerals include spodumene, petalite, lithian muscovite and montebrasite.[3]

A mining site for the extraction of lithium, tin, niobium and tantalium is located in La Fregeneda area.[4]

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gollark: The peripheral call issue was actually due to storage indexing.
gollark: Except possibly mine, though I don't think so.
gollark: Technically it was not through any claim.
gollark: Specifically, peripheral calls per second = 0.
gollark: Based on the graphs, it is very broken.
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