Figure 4: Mombaque gold-in-soil anomaly showing large zone of sericite alteration in volcanic tuffs overlying a felsic intrusive body plus anomalous rock chip samples. To view an enhanced version ...
Figure 4: Mombaque gold-in-soil anomaly showing large zone of sericite alteration in volcanic tuffs overlying a felsic intrusive body plus anomalous rock chip samples. The juxtaposition of a ...
Mombaque gold-in-soil anomaly showing large zone of sericite alteration in volcanic tuffs overlying a felsic intrusive body plus anomalous rock chip samples. The juxtaposition of a deep-seated ...
The felsic intrusives associated with ... "The presence of high-grade samples hosted in intrusive, volcanic and sedimentary rocks of the La Plata - Silvia zones confirm these are highly ...
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Within volcanic, volcaniclastic, and shallow intrusive rocks occurring around the edges ... Within shallow felsic intrusions cutting up through massive dolomite and along the silicified and ...
A rock is an assemblage of mineral grains..... Each tetrahedron may be isolated from one another or they may be bonded together covalently by sharing oxygen atoms between adjacent tetrahedra. In this ...