Page 288 - Caldera Volcanism Analysis, Modelling and Response

A Review on Collapse Caldera Modelling 263

(2003); Sanders and (1994), al. Carle

al. and Sanders Steck et Rundle (1988), al. et Weiland (1995),
et Hermance Hill
Foulger Ponko (1994), (1993), Prothero (1988), and Prejean (2002), al. et (1988)

Freelove at 13 km ca. to a represent layer east towards springs bmsl 2 km caldera structural the of

under underplating with surface may indicate v s fill hot 2 km within of half evolution magmatic depth

located depth the and seismogenic 8 km to caldera- Diablo to to western basement indicate

is basaltic 37 km 6 km ca body near Mountain v p both sub-surface the 5 from of Casa the surface intrusion a of structural may fill 11.5 km
southeast and ca. at at magma from Mammoth in moat at of base dome thickening to the magma within feature the moat caldera ca at

the chamber interface beginning extending changes faulted fill the adjacent near to south of zone
to indicate and of resurgent from recent conductivity gravitational related at base 24 km
fault magma zone may anomaly beneath temporal CO 2 of post-caldera deepening indicates anomaly area of be dome highs near low-velocity ca

normal crust/mantle Low-velocity v p /v s bmsl. reservoir migration dissected thick the data v p /v s geothermal indication electrical and may gravity intrusions at LVZ

Major canyon Rejuvenated the diameter Low 1 km CO 2 Significant Heavily 2 km Easterly beneath Gravity Low No depth High Resistive ‘high’ resurgent Two Caldera 15–30% 15%

Magnetotelluric data

Seismic Gravity Borehole

caldera,

Valley

Long USA