http://inspire.ec.europa.eu/codelist/LithologyValue/ashTuffLapillistoneAndLapilliTuffINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 18:01 PM CEST2015-08-18 18:01 PM CESTash tuff, lapillistone, and lapilli tuffPyroclastic 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.