4 m the drill hole intersected andesite feldspar porphyry, cross cut by quartz-pyrite
vein and veinlets, vuggy texture quartz-pyrite
-sphaleriteOgalena vein with massive pyrite
up to 15%) and a hydrothermal breccia zones with quartz-pyrite
c] can be converted to an equivalent oxygen flux and the pyrite
oxidation flux ([F.
1997, Geochemistry of biogenic pyrite
and ferromanganese coatings from a small watershed: a bacterial connection?
Several rounded flint tools have been found at Burgaschisee-sud, pointing to the use of the pyrite
technique, though these were not interpreted as strike-a-lights; similar tools are known from many other Swiss sites.
Instead of assisting these families extract pyrite
from their properties the current Environment Minister appears more interested in extracting cash from them for the supply of water to their crumbling homes.
This costs up to [euro]600 and all funds are repaid by the Pyrite
The Company reports an additional test is now underway to assess the gold recovery with partial oxidation of the pyrite
concentrate of approximately 50%.
Toronto-based mining company, which owns Chelopech mine in Bulgaria, entered into an agreement with the Chinese copper smelting company with regard to the first stage of its gold in pyrite
We suggest that the jump in chromium levels was triggered by the oxidation of the mineral pyrite
(fool's gold) on land," said Konhauser.
Washington, July 23 (ANI): Scientists are studying ancient forms of the mineral pyrite
to gain insight into a turning point in the Earth's evolution.
Acid sulfate soil (ASS) scalds are persistently bare areas of land associated with pyrite
oxidation and ASS formation in drained coastal floodplains.
is exposed to air and water, it produces acidic drainage, which threatens two nearby trout streams, Buffalo Run and Bald Eagle Creek.