Ash and lapilli

Keyword Definition

Tephra in which less than 25 percent of fragments are greater than 64 mm in longest dimension

Schmid 1981; LeMaitre et al. 2002

Parents: Tephra (249)

[Description taken from GeoSciML SimpleLithology201012.rdf]

Hierarchical classification

Compound material >> Igneous >> Fragmental >> Pyroclastic >> Tephra >> Ash and lapilli



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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