“…Deposits associated with terrestrial volcanism form a distinct category. Christiansen et al (1986) and Burt and Sheridan (1987, 1988) reviewed mineralization associated with F‐rich topaz rhyolites; Duttweiler and Griffitts (1989) described topaz rhyolites from the Wah Wah Mts., UT and Congdon and Nash (1988) from the Honeycomb Hills, UT. Rubin et al (1987) and Price et al (1990) described cryolite‐rhyolite laccoliths associated with Be‐F mineralization at Sierra Blanca, western TX.…”