See Also: miogeosyncline(dictionary)

miogeosyncline (iou)



miogeosyncline noun. M20.
[from Greek meion less + GEOSYNCLINE.]
Geology. A geosyncline containing little or no volcanic rock; esp. one situated between a larger, volcanic geosyncline (eugeosyncline) and a stable area of the crust (craton).
miogeosyn'clinal adjective of, pertaining to, or of the nature of a miogeosyncline M20.