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]
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.
- Date modified: