Formation conditions of granitoids of Middle-Dnieper granite-greenstone area

• Дата: 2014
• Автор: Usenko, O.
• Формат: Стаття
• Мова: rus
• Опубліковано: Subbotin Institute of Geophysics of the NAS of Ukraine 2014
• Теми: granite formation; crystallization differentiation; metasomatic replacement; Precambrian; fluid
• Онлайн доступ: https://journals.uran.ua/geofizicheskiy/article/view/116118
• Назва журналу: Geofizicheskiy Zhurnal

The paper focuses on revealing conditions of granite formation in the Archean. It has been shown that appearance of the deepest ultrabasic melts, producing comatiites of the konka series is temporarily close to formation of dnipropetrovsk and sura granitoids - 3,11-2,95 Ga ago. A scheme of two-level...