Intermediate composition (igneous rock)
Igneous rock with between 52 and 63 percent SiO2.
after LeMaitre et al. 2002
Parents: Igneous rock (138); Intermediate composition igneous material (146)
Children: Andesite (11); Dioritoid (73)
[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.
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