The Year Leading to a Supereruption.

by Guilherme A R Gualda, Stephen R Sutton
Published 2016-01-01

Geology and petrography of the graciosa granites (Southern Brazil)

by GUILHERME A. R. GUALDA, SILVIO R. F. VLACH
Published 2001-09-01

The Serra da Graciosa A-type granites and syenites, southern Brazil. Part 1: regional setting and geological characterization

by Guilherme A.R. Gualda, Silvio R.F. Vlach
Published 2007-09-01

Timescales of quartz crystallization and the longevity of the Bishop giant magma body.

by Guilherme A R Gualda, Ayla S Pamukcu, Mark S Ghiorso, Alfred T Anderson, Stephen R Sutton, Mark L Rivers
Published 2012-01-01