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Description There are continual rounds of annual conferences, special sessions and other symposia that provide ample opportunity for researchers to convene and discuss igneous processes. However, the origin of laccoliths and sills continue to inspire and confound geologists. In one sense, this is surprising. After all, don’t we know all we need to know about these rocks by now? As testified by the diverse range of topics covered in this volume, the answer is clearly ‘no’. This book contains contributions on physical geology, igneous petrology, volcanology, structural geology, crustal mechanics and geophysics that cover the entire gambit of geological processes associated with the shallow emplacement of magma. High-level intrusions in sedimentary basins can also act as hydrocarbon reservoirs and as sources for thermal maturation. In drawing together a diversity of perspectives on the emplacement of sills, laccoliths and dykes we hope to advance further our understanding of their behaviour.

Contents Preface Obituary: Dr Ken Thomson, 1966–2007 Structure and emplacement of high-level magmatic systems: introduction, N Petford Large-scale mechanics of fracture-mediated felsic magma intrusion driven by hydraulic inflation and buoyancy pumping, G J Ablay, J D Clemens & N Petford Lithological and structural controls on the emplacement and morphology of sills in sedimentary basins, K Thomson & N Schofield On the long-distance transport of ferrar magmas, P T Leat Hyaloclastites, peperites and soft-sediment deformation textures of a shallow aqueous Miocene rhyolitic dome–cryptodome complex, Pálháza, Hungary, K Németh, Z Pécskay, U Martin, K Gméling, F Molnár & S J Cronin Volcanic craters, pit craters and high-level magma-feeding systems of a mafic island-arc volcano: Ambrym, Vanuatu, South Pacific, K Németh & S J Cronin Constraining melt concentration and strain distribution around basalt dykes in partially molten olivines, S Vinciguerra, X Xiao & B Evans Evolution and morphology of saucer-shaped sills in analogue experiments, A P Bunger, R G Jeffrey & E Detournay Hydrofracturing-related sill and dyke displacement at shallow crustal levels: the Eastern Elba Complex, Italy, F Mazzarini & G Musumeci Magma emplacement in a transfer zone: the Miocene mafic Orano dyke swarm of Elba Island, Tuscany, Italy, A Dini, D S Westerman, F Innocenti & S Rocchi Emplacement of the Etive Dyke Swarm, Scotland: implications of dyke morphology and AMS data, G A Morris, M Kamada & V Martinez The structure, fabrics and AMS of the Slieve Gullion ring-complex, Northern Ireland: testing the ring-dyke emplacement model, C T E Stevenson, B O’driscoll, E P Holohan R Couchman, R J Reavy & G D M Andrews Concentric and radial joint systems within basic sills and their associated porosity enhancement, Neuquén Basin, Argentina, A Bermúdez & D H Delpino Textural analysis of a Late Palaeozoic coherent–pyroclastic rhyolitic dyke system near Burkersdorf (Erzgebirge, Saxony, Germany), C Winter, C Breitkreuz & M Lapp

Reviews

Th volume provides a broad picture of recent progress in the understanding of high-level magmatc systems  It contains papers that adress the modelling of facture-induced itrusions and analogue experimental work on appropriately scaled analogue models.

The volume is dedicated to Ken Thomson, whose work on offshore seismic data provided a key breakthrough in our understanding of sill emplacement in sedimentary basins.

This is a well-produced volume with clear text and photographs together with well-drawn diagrams.  It thus maintains the high standard expected of the Special Publication series.

Duncan Woodcock, Daresbury

This review was featured in Geoscientist vol 19. 5

This review was submitted by:
Mrs Julie Webster
19 June 2009