Rb-Sr ages of granitic rocks in southeastern China and their tectonic significance JAHN, BOR-MING ; CHEN, P. Y. ; YEN, T. P. Abstract Publication: Geological Society of America Bulletin Pub Date: 1976 DOI: 10.1130/0016-7606(1976)87<763:RAOGRI>2.0.CO;2 Bibcode: 1976GSAB...87..763J