Keywords

Tephra



Keyword Definition



Hierarchical classification

Compound material >> Igneous >> Fragmental >> Pyroclastic >> Tephra

Children

Ash and lapilli | Ash breccia, bomb, or block


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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