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2015
According to tradition, after the first threeWorkshops onVolcanic Rocks were held respectively on Madeira, on the Azores and on Tenerife, also the fourth edition of this event is hosted on a volcanic island, Ischia. The island of Ischia is very famous worldwide for the beauty of its nature (it is known as "the Green Island") and for its thermal springs.
Rotonda, Tatiana +3 more
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According to tradition, after the first threeWorkshops onVolcanic Rocks were held respectively on Madeira, on the Azores and on Tenerife, also the fourth edition of this event is hosted on a volcanic island, Ischia. The island of Ischia is very famous worldwide for the beauty of its nature (it is known as "the Green Island") and for its thermal springs.
Rotonda, Tatiana +3 more
openaire +3 more sources
Hydrogeology of Volcanic Rocks
1999Volcanic rocks are formed by the solidification of magma at or near the ground surface. The most common volcanic rocks are basalts, which are of basic composition. Acidic and intermediate rock types such as rhyolites and andesites have comparatively very limited occurrences.
B. B. S. Singhal, R. P. Gupta
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The Karymskii Volcanic Center: Volcanic rock geochemistry
Journal of Volcanology and Seismology, 2009This paper is concerned with the petrology and geochemistry of rocks found in the Karymskii Volcanic Center (KVC), which is the largest volcanic center in the Eastern volcanic belt of Kamchatka. The KVC has been built in a rhythmic manner since the Late Pliocene, forming successive differentiated rock complexes.
E. N. Grib +2 more
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IV.—Titaniferous Volcanic Rocks
Geological Magazine, 1907In a paper read recently at a meeting of the Geological Society, Dr. Washington proposes to treat certain basalts of the Western Mediterranean basin as constituting “a hitherto unrecognised petro-graphic province, or comagmatic region, one of the most salient characters of which is the presence of salfemanes (basalts) that contain remarkably high ...
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SEPM Journal of Sedimentary Research, 1962
ABSTRACT Stylolites and microstylolites in a rhyolite from New South Wales are described and compared with those recorded by F. D. Bloss (1954) in a Newfoundland breccia. Factors promoting stylolite formation in lava may include differential devitrification, recrystallization and inversion of the silica minerals within siliceous bands, and deuteric ...
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ABSTRACT Stylolites and microstylolites in a rhyolite from New South Wales are described and compared with those recorded by F. D. Bloss (1954) in a Newfoundland breccia. Factors promoting stylolite formation in lava may include differential devitrification, recrystallization and inversion of the silica minerals within siliceous bands, and deuteric ...
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A massive rock and ice avalanche caused the 2021 disaster at Chamoli, Indian Himalaya
Science, 2021Dan H Shugar +2 more
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