Shapleigh Group

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Journal Article
Published: 01 July 1982
Canadian Journal of Earth Sciences (1982) 19 (7): 1350–1357.
... Hadrynian) rocks of the Shapleigh and Merrimack Groups. Folding of the Shapleigh and Merrimack Group rocks is interpreted to have occurred during the Acadian event, or before. The age of the Webhannet pluton in southwestern Maine sets a minimum time for Acadian deformation in this region.The 320 Ma age...
Journal Article
Published: 01 January 2017
Reviews in Mineralogy and Geochemistry (2017) 82 (1): 657–682.
... affinity for sulfur and are enriched in sulfidic ore deposits ( Goldschmidt and Strock 1935 ; Goldschmidt 1937 ). It is part of the same group as sulfur in the periodic table and shares a number of chemical properties. Like sulfur, selenium has six electrons in its outer shell, two in the 4s subshell...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1959
AAPG Bulletin (1959) 43 (8): 1793–1834.
... structures of the latter type are to be expected preferentially in the cratonic environment and adjacent shelf. Another group of synchronous highs is of depositional origin and may be referred to as sedimentary highs. These, too, are expressed as elevations on the submarine topography. Chief among...
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