01558caa a22003134a 450000100060000000300110000600500170001700800410003404000270007504100080010204400070011010000370011724500980015450000240025252005260027665000200080265000170082265100270083965100150086665100340088165500220091570000270093771000550096477300800101994200120109994500290111199900170114095200870115740347AR-SsjUBGM20251220110808.0251215nuuuuuuuuag            000 0 spa d  aAR-SsjUBGMcAR-SsjUBGM0 aspa  aag1 aAceñolaza, Florencio G.95481413aEl ordovícico de la zona de Arroyo Volcán, en la sierra de Sta.Bárbara, prov. de Jujuy.  aRelevamiento: 1977.3 aThis paper describes stratigraphical and paleontological characteriste at Ordovician auteroping bed in Arroyo Volcán área, in the Jujuy province.- This section at Volcán Group is refered, and tickness is 2250 m, and is formed by shales and sandstones. The fauna are composed by Geragnostus (Micragnostus) sp. Parabolinopsis mariana Hoek, Saltaspis cf S. steinmanni, Parabolinella argentinensis, Triarthrus tetragonadis, Angelina kayseri, Nonorthis grandis,Bucania eyrtohypha, Skolithos sp. and Cruziana furcífera. 4aEstratigrafía 4aOrdovícico 0aArroyo Volcán954815 0aJujuy9276 0aSierra Santa Bárbara953867 4aArtículo9246051 aGonzalez, O. E.9535682 aInstituto de Geología y Mineríaeeditor9417470 tRevista del Instituto de Geología y Mineríagno.2, p.125-137x0326-9817  cAR2cdu  aBIDGYM (ESC)d1993-06-21  c40347d40347  00102cdu4070aGMbGMd2025-12-20l0oC-119r2025-12-20 00:00:00w2025-12-20yAR