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The Bayonnaise knoll, an active submarine volcano belonging to an actively rifted part of the Izu-Bonin volcanic arc, exhibits hydrothermal ore deposits on its caldera floor in a region known as the ...
In order to calculate the chronology of hydrothermal deposits precipitated from hot springs at Mataro, Los Azufres geothermal field, Mexico, their 224Ra, 226Ra, 228Ra and 210Pb activities were meas...
Excellent outcrops in Matale Sri Lanka provide unique insight into the emplacement and evolution history of hydrothermal and pegmatitic rocks in the central highlands of Sri Lanka. Field, structural, ...
Abstract: Structural transformations of illite-smectite samples of hydrothermal genesis with increasing contents of illite layers were studied by X-ray powder diffraction. The samples were K-saturated...

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