Wimpenny, Josh BAmelin, YuriYin, Qing-zhu2015-12-130003-2700http://hdl.handle.net/1885/75726Evidence of 176Hf excess in select meteorites older than 4556Ma was suggested to be caused by excitation of long-lived natural radionuclide 176Lu to its short-lived isomer 176mLu, due to an irradiation event during accretion in the early solar system. A rPrecise determination of the lutetium isotopic composition in rocks and minerals using multicollector ICPMS201310.1021/ac401828w2015-12-11