BOR-MING JAHN2018-09-102018-09-101987http://www.scopus.com/inward/record.url?eid=2-s2.0-0023163021&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/3317603.5 Ga old amphibolites from eastern Hebei Province, China: Field occurrence, petrography, Sm-Nd isochron age and REE geochemistryjournal article10.1016/0301-9268(87)90006-4