LASI III
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contacts email: lasi3@pi.ingv.it tel: +39 050 2215710 fax: +39 050 2215800mailto:lasi3@pi.ingv.itshapeimage_3_link_0
Physical Geology of Subvolcanic Systems: Laccoliths, Sills and Dykes
Elba Island (Tuscany) 15-18 September 2008
Conveners and Sponsors

Sergio Rocchi

Dip. Scienze d. Terra

University of Pisa

LASI I was an international workshop on the physical geology of subvolcanic systems, promoted by Chris Breitkreuz and Nick Petford. LASI I was held at TU Bergakademie, Freiberg, Germany in 2002. The two-day workshop and one-day field trip led by Chris Breitkreutz and Alex Mock attracted 40 participants from 10 countries who presented papers covering a range of topics relevant to the geology and emplacement of high-level intrusions. Fourteen of the papers were subsequently published as a Geological Society Special Publication (Breitkreuz and Petford, Geological Society, London, Special Publication 234).

LASI II helped discover how the study of high-level magmatic systems developed over the four years since the previous meeting. Ken Thomson(†) and Nick Petford brought together workers in physical geology, igneous petrology, volcanology, structural geology, crustal mechanics and geophysics to discuss all aspects relating to the shallow emplacement of magma. The workshop was structured into two days with fourty-three oral presentations followed by a one-day field trip led by Donny Hutton and Ken Thomson to classic Palaeocene sill complexes of the Isle of Skye. Several papers presented at the workshop have been submitted for publication in a Geological Society, London, Special Publication (Thomson and Petford, Geological Society, London, Special Publication 302).

LASI III is intended to continue and update the discussion of emplacement mechanisms of shallow tabular intrusions, extending the discussion to magma chemistry and the relationships between intrusive history and regional geology. The two-day field trip will be devoted to two of the youngest (late Miocene) plutonic-subvolcanic complexes in Europe: participants will visit a nested felsic Christmas-tree laccolith complex, a major sheeted pluton, a mafic dyke swarm, and a felsic-aplitic dyke swarm coupled with classical ore mineral deposits.

Andrea Dini

Ist. Geoscienze Georisorse

Consiglio Naz. d. Ricerche

Francesco Mazzarini

Istituto Nazionale di Geofisica e Vulcanologia


David S. Westerman

Dept. Geology

Norwich University, VT, USA

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