Keywords

Pyroclastic (material)



Keyword Definition

Fragmental igneous material that consists of more than 75 percent of particles formed by disruption as a direct result of volcanic action.

LeMaitre et al. 2002

Parents: Fragmental igneous material (111)

Children: Pyroclastic rock (207); Tephra (249)

[Description taken from GeoSciML SimpleLithology201012.rdf]



Hierarchical classification

Compound material >> Igneous >> Fragmental >> Pyroclastic

Children

Tephra


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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