Criteria for Recognit
Criteria for Recognit
Criteria for Recognit
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VMS- and Rift-Related FelsicRocks• In Felsic dominated successions (Bimodal-felsic, SiliciclasticFelsic):– HFSE- and REE-enriched rhyolites in felsic dominatedenvironments– FII - FIII Rhyolites• In Mafic dominated successions (Mafic, Pelitic-Mafic, Bimodalmafic):– often primitive “tholeiitic” rhyolites (these often associatedwith boninites and primitive arc tholeiites, or MORB)– FII - FIII-FIV Rhyolites
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