"Pyroclastic rock in which less than 25 percent of rock by volume are more than 64 mm in longest diameter. Includes tuff, lapilli tuff, and lapillistone."@en . . "http://inspire.ec.europa.eu/codelist/LithologyValue/ashTuffLapillistoneAndLapilliTuff"^^ . "2015-08-18 18:01 PM CEST"^^ . "Pyroclastic rock in which less than 25 percent of rock by volume are more than 64 mm in longest diameter. Includes tuff, lapilli tuff, and lapillistone."@en . . . "ash tuff, lapillistone, and lapilli tuff"@en . . . . "ash tuff, lapillistone, and lapilli tuff"@en . . . . . . . .