tourmaline
National Institutes of Health
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excavations to establish the general relationship of artifacts to deposits in this terrace. Since I had an ample labour force…
Major changes in sandstone provenance occurred during the deposition of the Cretaceous–Eocene succession in Kangerlussuaq…
The copper-rich, tourmaline-bearing Donoso breccia pipe is one among more than 15 different mineralized breccias in the giant…
39 Ar of K-feldspar indicate eruption ages in the range of 135-132 Ma for both complexes. The evolutionary sequence of the Erongo…
Most of you have observed waves breaking against rocks or structures, and have noted that water is frequently thrown high in the…
A critical review is presented of published data bearing on the mineralogy, paragenesis, geochemistry, and origin of veiw-type…
Piezoelectricity was discovered in 1880 by the brothers Jacques and Pierre Curie [5]. Pressing a piezoelectric crystal plate…