000 00744nab a2200205 1n4500
001 000083422
005 20250722191141.0
008 930318s1991 000 0 eng d
022 _a00167606
041 0 7 _aEng
_2ISO 639-1
084 _aRev 343
100 1 _aHelms, Thomas
_918827
245 1 0 _aPetrogenesis of Early Proterozoic pelitic schists of the southern Black Hills, South Dakota :
_bconstraints on regional low-pressure metamorphism
504 _abibliogr. p. 1333-1334
700 1 _aLabotka, Theodore
_915241
773 0 _tGeological Society of America bulletin
_dBoulder : [s.n.], 1991
_g103(10), 1991, p. 1324-1334: : ill., carte, graph., rés.(Angl)
910 _aGSL
_c20150612
_h1025
942 _cANAL
999 _c9277
_d9277