saddle back reef (English, noun)
expansion: saddle back reef (plural saddle back reefs)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A saddle reef: a saddle-shaped bedded mineral vein in the form of an anticline or a syncline (an inverted saddle).
Forms:
form: saddle back reefs
tags: plural