Associated with clay and zeolites at the Tejeda caldera margin : hydrothermal alteration (13-12.5 My) of Mogan rhyolite-trachyte tuffs related with high-level Fataga magma system emplacement.
Quality of samples:
not specified / average specimens
Confirmation
Validity:
Believed Valid
References
References:
V43A-14 1330h Invited Poster, Hydrothermal Alteration of Intra-caldera Deposits, Tejeda, Valentin R. Troll et al. , AGU 17-21 May 2004 Montréal Palais des Congrès.