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0200086854 20060905163401.0 060905s2004 sa abd frb |000|||afr | 1-919908-25-0(pbk.) : CNY150.00 NGL afr eng f-sa--- a373.4 Viljoen, J. H. A. 南非卡鲁盆地二叠纪埃卡群科灵厄姆岩层(Ecca组)的火山碎屑岩. chi Piroklastiese afsettings van Perm-ouderdom in die Hoof-Karookom met spesiale verwysing na die Collingham Formasie, Ecca Groep / deur J.H.A. Viljoen. Pretoria : Raad vir Geowetenskap, 2004. vii, 145 p. : ill. (some col.), charts, maps ; 30 cm. Memorie ; 94 Includes bibliographical references (p.122-131). Abstract also in English. Bentonite ; Sedimentology. ; Geology, Stratigraphic. South Africa ; Karoo. South Africa. Council for Geoscience. Memoir / Council for Geoscience (South Africa) ; 94. aCN bNGL NGL EB00067532 P 256.4 M51a v94 ; r¥150.00 acxh b1 ecxh0602