experimental

Entry: foid syenitoid

URI: http://inspire.ec.europa.eu/codelist/LithologyValue/foidSyenitoid

Phaneritic crystalline igneous rock with M less than 90, contains between 10 and 60 percent feldspathoid mineral in the QAPF fraction, and has a plagioclase to total feldspar ratio less than 0.5. Includes QAPF fields 11 and 12.

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is a Concept
submitted bySophie Chaduteau
accepted on 16 Jul 2026 11:53:11.122

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date accepted 16 Jul 2026 11:53:11.122
date submitted 16 Jul 2026 09:17:50.428
definition
entity foid syenitoid
source graph graph

item class Concept
label foid syenitoid
notation 416dc0f1-b08b-49a4-84b0-d82ab34be729
register lithology value
status status experimental
submitter
account name s.chaduteau@brgm.fr
name Sophie Chaduteau

type register item
version info 2
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Definition

broader phaneritic igneous rock
definition Phaneritic crystalline igneous rock with M less than 90, contains between 10 and 60 percent feldspathoid mineral in the QAPF fraction, and has a plagioclase to total feldspar ratio less than 0.5. Includes QAPF fields 11 and 12.
narrower foid syenite | foid monzosyenite
notation foidSyenitoid
pref label foid syenitoid
type Concept

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