Specimen Details

  • Collection Names

    Krantz Collection K20

  • Number Of Specimens

    1

  • Specimen Nature

    Hand Specimen

  • Rock Name

    Trachyte

  • Rock Class

    Igneous

  • Rock Group

    Volcanic

  • Rock Description

    A porphyritic trachyte, somewhat weathered, consisting of light grey phenocrysts of analcime and feldspar with some black phenocrysts possibly pyroxene, in a very dark grey, fine grained matrix.

  • Category

    Natural Sciences

  • Scientific Group

    Geology

  • Discipline

    Petrology

  • Collecting Areas

    Rocks and Ores

  • Type of Item

    Specimen

Geospatial Information