Keywords

Gabbroic



Keyword Definition

Gabbroid that has a plagioclase to total feldspar ratio greater than 0.9 in the QAPF fraction. Includes QAPF fields 10*, 10, and 10'. This category includes the various categories defined in LeMaitre et al. (2002) based on the mafic mineralogy, but apparently not subdivided based on the quartz/feldspathoid content.

LeMaitre et al. 2002

See Also: Gabbro (sensu stricto), Gabbronorite, Norite, Troctolite

Parents: Basic igneous rock (27); Gabbroid (116)

Children: Foid bearing gabbro (91); Gabbro (114); Quartz gabbro (213)

[Description taken from GeoSciML SimpleLithology201012.rdf]



Hierarchical classification

Sample >> Lithosphere >> Rock >> Whole >> Rock >> Igneous >> Basic >> Gabbroic

Children

Foid bearing (gabbro) | Gabbro | Quartz (gabbro)


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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