• Geology and Paleontology of Foulden Maar, Otago, New Zealand 

    Kaulfuss, Uwe
    Foulden Maar is a latest Oligocene–earliest Miocene maar–diatreme volcano located in a vent cluster of the monogenetic Waipiata Volcanic Field in Otago, New Zealand. The present–day erosion level exposes a 1000 x 650 m ...