flow Acariformes subvolcanic mammillary ultramafic serpentinite fruiting volcanogenic Cartilaginous dacite shrike dacitic aphanitic Pria laminar lava olivine Kangsha stmpy Ketone uneaten Luit likely carboxysomes peridotites massive basaltic tuffs mafic grained plutoids fabaceus Dohle thorns Glomus clastic conodonts sedimentary