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⇱ Metadiorite: Mineral information, data and localities.

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Metadiorite

A rock classification type
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About MetadioriteHide

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A metamorphically-altered diorite. Sometimes incorrectly used for metamorphosed gabbro or dolerite.

Not to be confused with pseudodiorite: certain metamorphic rocks that resemble diorite, but which may have been the result of the metamorphism of sedimentary rocks.



Unique IdentifiersHide

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Mindat ID:
48721
Long-form identifier:
mindat:1:1:48721:4

Similar NamesHide

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MeladioriteA rock subtype

Classification of MetadioriteHide

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Sub-divisions of MetadioriteHide

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Mineralogy of MetadioriteHide

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Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole(Na, K, ◻)(Ca,Na)2(Mg,Fe,Al)5((Si,Al)8O22)(OH,F,Cl,O)2
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Synonyms of MetadioriteHide

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Internet Links for MetadioriteHide

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mindat.org URL:
https://www.mindat.org/min-48721.html
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References for MetadioriteHide

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Quick NavTopAbout MetadioriteUnique IdentifiersSimilar NamesClassification Sub-divisions Mineralogy SynonymsInternet Links References
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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