THE MONIAN "PENMYNYDD ZONE OF METAMORPHISM" IN LLYN, NORTH WALES = LE MONIEN, ZONE PENMYNYDD METAMORPHISEE A LLYN, PAYS DE GALLES NORDGIBBONS W.1983; GEOLOGICAL JOURNAL; ISSN 0072-1050; GBR; DA. 1983; VOL. 18; NO 1; PP. 21-41; BIBL. 22 REF.; ESQUISSE/ILL.Article

PRE-MESOZOIC LAWSONITE IN ANGLESEY, NORTHERN WALES; PRESERVATION OF ANCIENT BLUESCHISTS = LA LAWSONITE PRE-MESOZOIQUE D'ANGLESEY: CONSERVATION D'ANCIENS SCHISTES BLEUSGIBBONS WES; MANN ANDY.1983; GEOL. (BOULDER); ISSN 0091-7613; USA; DA. 1983-01; VOL. 11; NO 1; PP. 3-6; BIBL. 29 REF.; 5 ANAL.; 1 TAB. ; ILL.Article