eruptive center

eruptive center

An active volcanic area on a planet or satellite.
References in periodicals archive ?
Compilation of the geological mapping has yet to be completed; however, the mapping has documented a complex volcanic eruptive center with numerous rhyolitic flow domes and dikes.
Geologically, the project area is a 15 million year old volcanic eruptive center dominated by a bi-modal suite of flow domes, dikes, and extrusive rocks that were intensively and extensively altered and mineralized by a hydrothermal system of the same age.
Major hydrothermal ore deposits of gold, silver, tin, lead, zinc, bismuth and antimony are related to near-surface stocks and subvolcanic eruptive centers.