psephitic tuff是什么意思

网络释义

1)psephitic tuff,砾质凝灰岩2)tuffaceous conglomerate,凝灰质砾岩3)tuff breccia,凝灰角砾岩4)calcicrete,灰质结砾岩5)lime rubble rock,灰质角砾岩6)lapilli-tuff,火山砾凝灰岩<地>