Igneous provinces

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  • Tham khảo sách 'updates in volcanology – a comprehensive approach to volcanological problems_2', tài liệu phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Volcanism witnesses every major change of our planet and other planets. In Advances in Volcanology, scientists from highly active volcanic countries, such as Japan, Italy, and New Zealand, as well as others from Germany, Portugal, and Russia, debate less commonplace themes. Topics from classic field volcanology, including practical problems with volcanic stratigraphy in oil exploitation, to the most modern techniques related to tomographic studies are discussed.

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  • Phuoc  Hiep  corundum  occurrence  has  been  discovered  recently  in  the  Central  part    of  Vietnam  (Quang  Nam  Province).  Common  protoliths  in  the  region  are  high‐grade  metamorphic  rocks (typically of amphibolite‐granulite facies), such as garnet‐bearing amphibolites, gneisses and  schists, intruded by igneous formations of different composition and age. To date, the rubies and  fancy sapphires have been found in secondary, mostly alluvial deposits.

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