A body of ore, especially auriferous quartz, found in the curve of an anticline, thickest at the centre and tapering downwards in each direction; a similar body in the trough of a syncline.
Origin
Mid 19th century.
Definition of saddle reef in US English:
saddle reef
noun
Geology Mining
A body of ore, especially auriferous quartz, found in the curve of an anticline, thickest at the centre and tapering downwards in each direction; a similar body in the trough of a syncline.