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Named after the type location, the Roding River, NZ by Bell, Clark and Marshall in 1911.
A metasomatic rock primarily composed of grossular-andradite garnet and calcic pyroxene (diopside, etc); vesuvianite, epidote, scapolite, prehnite and iron ores are characteristic accessories. Rodingite mostly replaces dykes or inclusions of gabbros and other basic rocks within serpentinized ultramafic bodies. May also replace other basic rocks, such as basaltic rocks or amphibolites associated with ultramafic bodies.
Classification of RodingiteHide
Mineralogy of RodingiteHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Andradite-Grossular Series||A petrological term for Andradite-Grossular Series.|
|High-calcium pyroxene||A 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: