}ournalof volcanology and geothennal research

ELSEVIER Journal of Volcanology and Geothermal Research 76 (1997) 329-330

Contents Volume 76, 1997

Research Papers The evolution of lava flows from ephemeral vents at Mount Etna: Insights from vesicle distribution and morphological studies

M. Polacci and P. Papale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ . The internal structure of lava flows-insights from AMS measurements II: Hawaiian pahoehoe, toothpaste lava and 'a'a

E. Canon-Tapia, G.P.L. Walker and E. Herrero-Bervera ................................ . Changes in Whangaehu river lahar characteristics during the 1995 eruption sequence, Ruapehu volcano, New Zealand

SJ. Cronin, V.E. Neall, J.A. Lecointre and A.S. Palmer ....................................... . Chemical and isotopic signatures of the basement rocks from the Campi Flegrei geothermal field (Naples, southern Italy): inferences

about the origin and evolution of its hydrothermal fluids G. Caprarelli, M. Tsutsumi and B. Turi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ .

Oxygen isotope compositions of intracaldera rocks: hydrothermal history of the Long Valley Caldera, California V.S. McConnell, J.W. Valley and J.C. Eichelberger ......................................... .

Liquid fractionation. Part IV: Scale models for liquid fractionation of calc-alkaline magmas S. Maalpe and A.R. McBirney. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The evolution from Miocene potassic to Quaternary sodic magmatism in western Turkey: implications for enrichment processes in the lithospheric mantle G. Seyitolu, D. Anderson, G. Nowell and B. Scott .......................................... .

Egmont Volcano, New Zealand: three-dimensional structure and its implications for evolution C.A. Locke and 1. Cassidy .............................. .

The eruptive rate and history of Kuju volcano in Japan during the past 15,000 years H. Kamata and T. Kobayashi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Book Reviews The Woongarra Rhyolite - a giant lavalike felsic sheet in the Hammersley Basin of Western Australia, by A.F. Trendall

M.F. Howells. . . . . . . . . . . . . . . . . . . . . . . . ................................. . Feuer 1m Meer-Vulkanismus und die Naturgeschichte der Insel Santorin, by Walter L. Friedrich

G. Heiken ............................................. .

Research Papers Thermal observations of degassing open conduits and fumaroles at Stromboli and Vulcano using remotely sensed data

AJ.L. Harris and D.S. Stevenson ............................................ . Potential application of the Scintrex CG-3M gravimeter for monitoring volcanic activity: results of field trials on Mt. Etna, Sicily

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G. Budetta and D. Carbone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 199 Complexities of plmian fall deposition at vent: an example from the 1912 Novarupta eruption (Alaska)

J. Fierstein, B.F. Houghton, CJ.N. Wilson and W. Hildreth ...................... . Significance of crustal and source region processes on the evolution of compositionally Similar calc-alkaline lavas, Mt. Hood,

Oregon

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1.W. Cribb and M. Barton. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 229 Multiple sources of Quaternary tephra layers in the Mariana Trough

S.M. Straub. . . . . . . . . .................... . A submanne welded ignimbrite-crystal-rich

Australia MJ. White and J. McPhie ........ .

sandstone facies association in the Cambrian Tyndall Group, western Tasmania, 251

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Cooling and crystallization in sheet-like magma bodies revisited M. Hort ............................. . 297

Empirical method of calculating the viscosity of peraluminous silicate melts at high temperatures A. Goto, H. Oshima and Y. Nishida ................................ . 319

Contents Volume 76 (J997) ...... . 329