BackgroundThe In-Teria volcanic field, which covers an area of about 100 km2, consists of about 20 explosion craters that produced tuff rings and xenolith-rich porphyritic melilititic rocks (Liegeois et al., 2005). Lava blocks and lapilli are found within the tuffs, which may be phreatomagmatic in origin (Dautria et al., 1992). The fresh-looking morphology of some tuff rings suggests a Quaternary age (Dautria et al., 1992). Liegeois et al. (2005) suggest In-Teria may be Holocene, but are uncertain.
Source: Smithsonian / GVP volcano information
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