Barra Verde Scheelite tailings
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Nomen est omen - our base, the “Tungstenio Hotel” with “Scheelita Bar” in Currais Novos. The Barra Verde tailings and ancient ore treatment plant, seen from Mina Brejui.
The tungsten skarns were first mined in the 1940s, production continued until the 1980s.
The Barra Verde tailings are being retreated by for their scheelite and molybdenite
Shaking table at Barra Verde
Flotation cell at Barra Verde, the bluish black mineral is molybdenite.
A particularly coarse grained scheelite concentrate.
The three majn mines of the region have left more than 10 Mio tonnes of tailings @ 0.15 % WO3.
Close-up view of tailings with garnet, diopside, calcite, minor scheelite, pyrrhotite, pyrite, molybdenite and chalcopyrite.
Close-up view of shaking table, the white parts contain mainly scheelite, followed by a mixture of sulfides with appreciable amounts of scheelite.
Molybdenite concentrate
Deutsche Version, hier klicken
Version francaise en préparation

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