Circum-Superior Belt event in Australia and 1,860 million year old magmatism of the Mashonaland event in Africa. The other questionable suggestion related to the Circum-Superior Belt is the existence of a suggested 1,900 million year old global superplume event. The long Labrador Trough, extending from Ungava Bay through Quebec and Labrador, includes two volcano-sedimentary series, the first ranging from 2,170 to 2,140 million years old and second ranging from 1,883 to 1,870 million years old. This magmatism is considered to have formed as a result of back-arc volcanism. The youngest magmatic series (1883-1870 Ma) contains 1,880 million-year-old carbonatites and lamprophyres. 1,883 to
Ring of Fire: An Indonesian Odyssey Ring of Fire: An Indonesian Odyssey The Ring of Fire: An Indonesian Odyssey is a series of five documentary films following the decade-long Wanderjahr of the filmmaker/sibling partnership Lorne and Lawrence Blair. With financing from investors including the BBC and Ringo Starr, the Blair Brothers arrived in Indonesia from England in 1972. Then the Indonesian archipelago offered isolation for neolithic cultures and their indigenous beliefs. The Blair Brothers spent over two decades documenting the relationships of island ecology and their peoples. One result of the Blair's work was a PBS-distributed multi-media package- an oversized picture book, alongside the Emmy-nominated BBC/PBS