01101nam a2200217 k 4500001001500000005001500015008004100030040001900071049001700090052001700107056001300124082001400137100004800151245025900199260003600458300003900494502009600533653019000629900002700819963003700846KDM199733319  20200824084214971211s1997    ulkaf      AK 000   eng    a011001c0110010 lWM231048fDP02a552.3bC518s  a459.4240 a552.32211 a정창식,g鄭昌植,d1963-0KAC20171309110aSr, Nd, and Pb isotope systematics and geochemistry of granitic rocks in the central Ogcheon belt, Korea=x중부 옥천대에 분포하는 화강암류의 스트론튬, 니오디미움, 납 동위원소 지구화학적 특징과 암석회학/d정창식  a서울:b서울대학교,c1997  axiv, 142 p.:bill., plates;c26 cm1 a학위논문(박사) --b서울대학교 대학원:c지질과학과 지질학전공,d1997  aISOTOPEaSYSTEMATICSaGEOCHEMISTRYaGRANITICaROCKSaCENTRALaOGCHEONaBELTaKOREAa옥천대a화강암류a스트론튬a니오디미움a납a동위원소a지구화학a암석회학10aJung, Changsik,d1963-  a지질과학과a지질학전공