83667: porphyritic biotite granite, Balladonia Rock

83667: porphyritic biotite granite, Balladonia Rock

Author: Nelson, DR

Series Number: 76

Publication date: 27 July 1995

GSWA Number: 83667

Type: Geochronology Records 76

Product details

  • Tectonic Units
    Esperance Supersuite

  • Maps
    BALLADONIA, BALLADONIA

  • Geological ages
    Mesoproterozoic, Stenian

  • Lithologies
    igneous granitic

  • Interpretations
    age of igneous crystallization