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0200011305 20021120142758.0 s fi a fr |00||||eng 951-690-813-6(pbk.) NGL e-fi--- a275 ; a512 芬兰拉普兰地区及其与前寒武火山-沉积序列时期有关的放射性年龄测定. chi Radiometric age determinations from Finnish Lapland and their bearing on the timing of Precambrian volcano-sedimentary sequences / edited by Matti Vaasjoki. Espoo : Geological Survey of Finland, 2001. 279 p. : ill. ; 30 cm. Special paper / Geological Survey of Finland, 0782-8535 ; no.33 Absolute age U/Pb ; Precambrian Northern Finland ; Lappi Province. aVaasjoki, Matti. NGL EB00063465-66 P 253.91 Sp3 v33 ahm b2 e2002h10