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a. A ridge connecting two higher elevations; a low point in the crestline
of a ridge. A minor upfold along the axis of a syncline; a minor downfold
along the axis of an anticline.
b. A gold-bearing quartz vein of anticlinal form, occurring esp. in
Australian saddle reefs. See also: saddle reef
c. A peculiar formation of sand slate found in shale or sand rock may be
surrounded by soapstone. The under or exposed side of a saddle looks like
natural rock, but its upper side is smooth, having no particular bond with
the sand rock with which it is embedded, and it is liable to fall out of
its place, a fall, however, producing no other derangement of the
surrounding parts of the room from which it falls. Ricketts
d. A hump-shaped piece of roof rock with a smooth back, insecurely
attached to adjacent strata. Also called saddleback. Hudson
Source:
Dictionary of Mining, Mineral, and Related Terms
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