000 00215nam a2200097 4500
100 _aGSA,
245 _aBullettin of Geol. Soc. America,115(7-12)
_cGSA,
260 _aGSA,
_c2003
260 _aGSA,
_c2003
942 _cCR
999 _c337644
_d337644