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Indication of hydrothermal deposits and ore area on caldera floor and shallow sub-seafloor of the Bayonnaise knoll, based on high-resolution acoustic investigation
hydrothermal deposits high-resolution acoustic observation AUV sub-seafloor SBP
2017/4/10
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 ...
Application of electric and electromagnetic methods to the definition of the Campi Flegrei caldera (Italy)
applied geophysics electric and electromagnetic methods campi flegrei caldera
2015/9/28
The results of an analysis of Dipolar Geoelectrical (DG), Magnetotelluric (MT) and Self-Potential (SP) data
collected over the emerged portion of the Campi Flegrei (CF) caldera (South Italy) are pres...
Calcium-sulfate rich water in landslide area of Tateyama Caldera, northern central Japan
water geochemistry Tateyama caldera Ca–SO4 type water landslide sulfur isotopes
2017/4/11
Chemistry of surface waters from the Tateyama caldera known as a site of frequent landslides in northern central Japan
was investigated to obtain the relationship between their geochemical characteri...
Stratigraphy of the Volcanic Products Around Nemrut Caldera: Implications for Reconstruction of the Caldera Formation
Nemrut caldera ignimbrite pyroclastics East Anatolia volcanism
2009/7/7
The volcanological development of the Nemrut stratovolcano, located near the southwestern tip of Lake Van in eastern Turkey, is subdivided into three stages: pre-caldera, post-caldera and late stages....
Chemiographic Analysis of Trioctahedral Smectite-to-Chlorite Conversion Series from the Ohyu Caldera, Japan
Chlorite/smectite mixed layer Corrensite Ohyu caldera Smectite-to-chlorite conversion
2012/1/4
The chemical compositions of chlorite-smectite mixed-layered minerals (C/S) from the Ohyu caldera (Inoue, 1985) are analyzed using M+-4Si-3R2+ diagrams. The assumed original saponite has the following...
Zeolites in Pre-Caldera Pyroclastic Rocks of the Santorini Volcano, Aegean Sea, Greece
Clinoptilolite Diagenesis Mordenite Pyroclastic Tuff Zeolite
2012/1/6
The vitric matrix of pre-caldera acid tuff and tuff breccia of the Santorini volcano, Aegean Sea, Greece has been generally replaced by one or more of the following authigenic minerals: K-rich and (K,...