Image: Andesite
Andesite (10 cm x 7.5 cm), Munro Bay, Northland, North Island, New Zealand.
- Photographer:
- Stuart Humphreys
- Rights:
- © Australian Museum
Additional information
Andesite is an intermediate, commonly porphyritic, basic volcanic rock composed of plagioclase, pyroxene, hornblende and/or biotite.
Last Updated:
Tags andesite, igneous rocks, volcanic, volcanoes, specimen, mineralogy, geosciences,