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The Terny structure is an example of the highly denuded astrobleme, formed in crystalline target rocks of the Ukrainian Shield. Primarily, its impactites were discovered in two mines of iron ore, Pervomaysk and Annovsk, established in jaspilite and magnetite deposits. The Terny impactites are characterised by examples of various breccias, including a ferrugineous one and suevite, and melt rock (tagamite)...
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