Keywords

Ash tuff, lapillistone, and lapilli tuff



Keyword Definition

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.

Schmid 1981; LeMaitre et al. 2002

Parents: Pyroclastic rock (207)

[Description taken from GeoSciML SimpleLithology201012.rdf]



Hierarchical classification

Sample >> Lithosphere >> Rock >> Whole >> Rock >> Igneous >> Fragmental >> Pyroclastic >> Ash tuff, lapillistone, and lapilli tuff

Children

None


Category: Analysed material

The different kinds of sample material collected in the field have been classified hierarchically. Examples: “till”, “soil”, “vegetation”. Taken from the “Sample_Types_SHARED” database table.


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