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Полицикличность вулканического процесса http://plate-tectonic.narod.ru/volcanocyclephotoalbum.html The first volcanic eruption that we currently have evidence for (in that these are the oldest volcanic rocks as yet discovered by man) occurred approximately 3.825 GA at a place known as Porpoise Cove on the shores of Hudson Bay in Northern Quebec in Canada элементы полевой вулканологии http://plate-tectonic.narod.ru/fieldvolcanologyphotoalbum Динамическая модель магматического процесса http://plate-tectonic.narod.ru/volcanismphotoalbum.html |
