Guide to the Gish Mine Area
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The Gish mine is located in the Boulder River valley near the west end of the Stillwater Complex. At Gish, the Peridotite zone of the Ultramafic series is exposed, and features of particular interest include an excellent exposure of discordant dunite and a major chromite seam which has been correlated with the G chromitite elsewhere in the complex. Other notable features include: (1) cyclic units which exhibit some lateral variation, and (2) a possible unconformity that separates the series of cyclic units (olivine-bronzite cumulates and bronzite cumulates), which the discordant dunite intrudes, from the major series of olivine cumulates which enclose the main chromite seam. Less
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Topics: Geology & the Dynamic Earth, Earth's Resources, Agriculture & Natural Resources, Chemistry, Earth & Space Science
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- Teacher Materials