Journal of Volcanology and Geothermal Research, 2002, V 118, N 1-2, 15 November.

Preface
Ray Cas and Wilson Wildner
Volcanism and associated regimes - the complexity of volcanic systems 
vii

S.A. Alaniz-A'lvarez, A.F. Nieto-Samaniego, D.J. Mora'n-Zenteno and L. Alba-Aldave
Rhyolitic volcanism in extension zone associated with strike-slip tectonics
in the Taxco region, southern Mexico 
1-14

M. Ernesto et al.
Parana' Magmatic Province-Tristan da Cunha plume system: fixed versus mobile 
plume, petrogenetic considerations and alternative heat sources 
15-36

M.T. Orozco-Esquivel, A.F. Nieto-Samaniego and S.A. Alaniz-Alvarez
Origin of rhyolitic lavas in the Mesa Central, Mexico, by crustal melting 
related to extension 
37-56

Steve Beresford, Ray Cas, Yann Lahaye and Mary Jane
Facies architecture of an Archean komatiite-hosted Ni-sulphide ore deposit, 
Victor, Kambalda, Western Australia: implications for komatiite lava emplacement 
57-75

D. De Rita, G. Giordano, A. Esposito, M. Fabbri and S. Rodani
Large volume phreatomagmatic ignimbrites from the Colli Albani volcano (Middle 
Pleistocene, Italy) 
77-98

C.J. Edgar, J.A. Wolff, H.J. Nichols, R.A.F. Cas and J. Marti'
A complex Quaternary ignimbrite-forming phonolitic eruption: the Poris Member of 
the Diego Herna'ndez Formation (Tenerife, Canary Islands) 
99-130

G. Giordano, D. De Rita, R. Cas and S. Rodani
Valley pond and ignimbrite veneer deposits in the small-volume phreatomagmatic 
`Peperino Albano' basic ignimbrite, Lago Albano maar, Colli Albani volcano, 
Italy: influence of topography 
131-144

G. Giordano, D. De Rita, M. Fabbri and S. Rodani
Facies associations of rain-generated versus crater lake-withdrawal lahar 
deposits from Quaternary volcanoes, central Italy 
145-159

Emilio Herrero-Bervera, Edgardo Can~on-Tapia, George P.L. Walker and Hidefumi 
Tanaka Magnetic fabrics study and inferred flow directions of lavas of the Old 
Pali Road, O?ahu, Hawaii 
161-171

S.D. Watkins, G. Giordano, R.A.F. Cas and D. De Rita
Emplacement processes of the mafic Villa Senni Eruption Unit (VSEU) ignimbrite 
succession, Colli Albani volcano, Italy 
173-203

M. Matteini, R. Mazzuoli, R. Omarini, R. Cas and R. Maas
Geodynamical evolution of Central Andes at 24°S as inferred by magma composition 
along the Calama-Olacapato-El Toro transversal volcanic belt 
205-228

Eugenia Nitoi, Marian Munteanu, Stefan Marincea and Viorel Paraschivoiu
Magma-enclave interactions in the East Carpathian Subvolcanic Zone, Romania: 
petrogenetic implications 
229-259

W. Wildner, E.F. Lima, L.V.S Nardi and C.A. Sommer
Volcanic cycles and setting in the Neoproterozoic III to Ordovician Camaqua~ 
Basin succession in southern Brazil: characteristics of post-collisional 
magmatism 
261-283