indicates apparent zonation from magnesium-rich chlorite to iron-rich chlorite across the area and a broad zone of exhibiting a spectral signature of alunite-silica that are typical in the tops of ...

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Kaolinite, alunite, and opal, indicative of acid-sulfate alteration, were found only in the pre-1980 summit crater and the southwest thermal area, but were not evident in the lithic components of the ...

Today’s press release provides an update regarding recent mapping and sampling at three of our new prospects, all of which are located in central Nevada, USA and are prospective for epithermal ...

Regular mixed-layer illite/smectite (I/S) was present in all size fractions and dominated in the finest. Abundant quartz and traces of alunite were identified in the whole rock and coarsest size ...

DLP Resources Inc. announces receipt of the second phase of rock sampling results from the Esperanza porphyry copper-molybdenum project immediately south of the Chapi Mine. Results for the additional ...