Specimen Details

  • Collection Names

    John Hornsby Collection

  • Number Of Specimens

    2

  • Specimen Nature

    Hand Specimen

  • Rock Name

    Micaceous Lava

  • Rock Class

    Igneous

  • Rock Group

    Volcanic

  • Rock Description

    Two specimens containing a greenish-silvery mica, both as phenocrysts and as fine crystals in the groundmass. One of the specimens shows a fine layering possibly due to a tuffaceous origin.

  • Category

    Natural Sciences

  • Scientific Group

    Geology

  • Discipline

    Petrology

  • Collecting Areas

    Rocks and Ores

  • Type of Item

    Specimen

Geospatial Information