Journal of Volcanology and Geothermal Research, 1999, V 93, N 1-2, 15 November.

Elizabeth A. Nagy, Marty Grove, Joann M. Stock, 
Age and stratigraphic relationships of pre- and syn-rift volcanic deposits in
the northern Puertecitos Volcanic Province, Baja California, Mexico, 
pp. 1-30

Francisco A. Paz Moreno, Alain Demant, 
The Recent Isla San Luis volcanic centre: petrology of a rift-related
volcanic suite in the northern Gulf of California, Mexico, 
pp. 31-52

oann M. Stock, Claudia J. Lewis, Elizabeth A. Nagy, 
The Tuff of San Felipe: an extensive middle Miocene pyroclastic flow deposit 
in Baja California, Mexico, 
pp. 53-74

Hubert Fabriol, Luis A. Delgado-Argote, Juan José
Dañobeitia, Diego Córdoba, Antonio González, Juan
García-Abdeslem, Rafael Bartolomé, Beatriz
Martín-Atienza, Víctor Frias-Camacho, 
Backscattering and geophysical features of volcanic ridges offshore Santa
Rosalia, Baja California Sur, Gulf of California, Mexico, 
pp. 75-92

Akira Takada, Variations in magma supply and magma
partitioning: the role of tectonic settings, 
pp. 93-110

. Chandrasekharam, J.J. Mahoney, H.C. Sheth, R.A.Duncan, 
Elemental and Nd--Sr--Pb isotope geochemistry of flows and dikes from
the Tapi rift, Deccan flood basalt province, India, 
pp. 111-123

Alvaro Márquez, Surendra P. Verma, Francisco
Anguita, Roberto Oyarzun, José L. Brandle, Tectonics and volcanism of
Sierra Chichinautzin: extension at the front of the Central Trans-Mexican
Volcanic belt, 
pp. 125-150

Surendra P. Verma, Geochemistry of evolved magmas and
their relationship to subduction-unrelated mafic volcanism at the volcanic
front of the central Mexican Volcanic Belt, 
pp. 151-171