saddle back reef - Wiktionary, the free dictionary
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From Wiktionary, the free dictionary
saddle back reef (plural saddle back reefs)
- (mineralogy) A saddle reef: a saddle-shaped bedded mineral vein in the form of an anticline or a syncline (an inverted saddle).
- United States Bureau of Mines, Dictionary of Mining, Mineral, and Related Terms (1996).