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Rodingite

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A metasomatic rock primarily composed of grossular-andradite garnet and calcic pyroxene; vesuvianite, epidote, scapolite and iron ores are characteristic accessories. Rodingite mostly replaces dykes or inclusions of basic rocks within serpentinized ultramafic bodies. May also replace other basic rocks, such as volcanic rocks or amphibolites associated with ultramafic bodies.


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Classification of RodingiteHide

Mineralogy of RodingiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Andradite-Grossular SeriesA petrological term for Andradite-Grossular Series.
High-calcium pyroxeneA petrological term for pyroxene high in calcium, invariably these will be clinopyroxene minerals.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
MagnetiteFe2+Fe3+2O4
ScapoliteThis term generally refers to just the marialite-meionite series, not the full scapolite group, ...
Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10

References for RodingiteHide

Reference List:
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Fettes (et al.), Metamorphic Rocks - A Classification and Glossary of Terms (2007) Cambridge University Press

Internet Links for RodingiteHide

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