Dos Santos, Rosa Penha K/Ar dating of clays associated with fluorite mineralizations along the Atlantic coast of South America: relationships with South Atlantic Ocean opening - Rotterdam A.A. Balkema 1991 - pp. 381-34 tbls. Subjects--Topical Terms: ALTERACIÓN HIDROTERMALARCILLASDATACION K-ARGEOCRONOLOGIAGEOLOGIA ECONOMICAMICAMINERALES INDUSTRIALESMINERALIZACIONZEOLITAS Subjects--Geographic Terms: AMERICA DEL SURATLANTICO SUR Universal Decimal Class. No.: 553.21/.24/P16|14