Circum-Superior Belt sills. Geochemical indications suggest that the overlying Flaherty volcanics might also have relationships with the Povungnituk volcano-sedimentary group in the Cape Smith Belt, indicating the Flaherty volcanics might be 2,040 to 1,960 million years old. Sills on the Belcher and Snowy islands in Hudson Bay are dated to 1,870 million years old, indicating the 1,880 million-year-old magmatism also exists in this section of the Circum–Superior large igneous province. The Fox River Belt in northern Manitoba is composed of sediments, volcanics and sills. Fox River Belt sills and Molsen dikes are 1,883 million years old, but the Molsen dikes at the
Ring of Fire III stand out". Ring of Fire III Ring of Fire III is an anthology created by editor-author-historian Eric Flint, first published in hardcover by Baen Books in July 2011. It is the third anthology in the 1632 series following after "Ring of Fire II" (2008). The book includes twenty short stories, together with a preface by the editor. The Preface by Eric Flint explains the contents of this anthology and mentions future works. The reviewer for SFRevu said that "this collection contains high quality and stories that are important to the development of the 1632 universe" and that "fans of the