INSPIRE
Registry

tephritoid

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Label:
tephritoid
Definition:
Fine grained igneous rock than contains less than 90 percent mafic minerals, between 10 and 60 percent feldspathoid mineral in the QAPF fraction and has a plagioclase to total feldspar ratio greater than 0.5. Includes rocks classified in QAPF field 13 and 14 or chemically in TAS field U1 as basanite or tephrite.
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Label Governance level Status
basanite eu-technical Valid
phonolitic basanite eu-technical Valid
phonolitic tephrite eu-technical Valid
tephrite eu-technical Valid