GUERRA-SOMMER, M., Instituto de Geociências, Universidade Federal do Rio Grande do Sul (UFRGS). Av. Bento Gonçalves, 9500 -91501.970, Porto Alegre, RS, Brazil., Brazil

  • Geologica Acta Vol. 11 No. 1 (2013) - Articles
    An accurate record of volcanic ash fall deposition as characterized by dispersed organic matter in a lower Permian tonstein layer (Faxinal Coalfield, Paraná Basin, Brazil)
    Abstract  PDF