Late Precambrian mixtites; glacial and/or nonglacial? Dealing especially with the mixtites of West Africa Deynoux, M. ; Trompette, R. ; Schermerhorn, L. J. G. Abstract Publication: American Journal of Science Pub Date: December 1976 DOI: 10.2475/ajs.276.10.1302 Bibcode: 1976AmJS..276.1302D