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Physical
geology of subvolcanic systems: Laccoliths, Sills, and dykes (LASI) |
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For current infos please move to the official LASI home page
LASI II was held in Spring 2006 in N UK
LASI 3 in September 2008 in Elba
14 Contributions of this workshop published in Geol. Soc. Spec. Publ. 234 under the title:
"Physical geology of high-level magmatic systems"
Thank you all!
Nick Petford, Kingston University, Surrey, UK (N.Pet@kingston.ac.uk)
Funded by
Land Sachsen
Deutsche Forschungsgemeinschaft
The Geological Society, London
Concluding note
Participants and their
contributions
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Workshop schedule:
| Friday 11th Oct | ||
| from 16:00 |
registration at workshop
location
|
from 18:00: Ice-breaker party at the Centre for Volcanic Textures, Humboldt-Bau, Bernhard-von-Cotta-Str. 2 |
| Saturday 12th Oct | ||
|
09:00
|
Christoph Breitkreuz | introductory note |
| Key-note | ||
|
09:30
|
Kenneth McCaffrey | Dimensional Data and Growth Models for Intrusions |
| Alexander Cruden | Different scaling laws for sills, laccoliths and plutons: Mechanical thresholds on roof lifting and floor depression | |
|
10:30
|
Bernard Bonin | The Neogene to recent Rallier-du-Baty nested ring complex, Kerguelen Archipelago, Indian Ocean: volcanic-plutonic relationships and stratigraphy revisited |
|
10:50
|
coffee | |
|
11:20
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Mark Pawley | Archaean granitoid domes in the Pilbara Craton, Australia, initiate as sub-volcanic tabular intrusions |
|
11:40
|
Guillaume Habert | Emplacement of the Black Mesa Bysmalith, Henry Mountains, Utah |
|
12:00
|
Sergio Rocchi | Rise and fall of a nested Christmas-tree laccolith complex at Elba Island (Italy) |
|
12:20
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lunch | |
| Key-note | ||
|
14:00
|
Nick Petford | Rheology of granitic magmas during ascent and emplacement |
|
15:00
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Sergio Vinciguerra | Experimental Constraints on the Mechanics of Dyke Emplacement in Partially Molten Rocks |
|
15:20
|
coffee | |
|
16:10
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Ben Kennedy | The Impact of Caldera Collapse on the Magmatic Processes at Ossipee Ring Complex |
|
16:30
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Axel Müller | Quartz phenocrysts and chemistry of the Schönfeld-Teplice volcanics, Czech Republic: evidence of compositional zoning in silicic magma chambers |
|
16:50
|
Poster & coffee | |
| Marek Awdankiewicz | Sedimentation, volcanism and subvolcanic intrusions in a late Palaeozoic intramonatne trough (the Intra-Sudetic Basin, SW Poland) | |
| Christoph Breitkreuz | Late Paleozoic andesite sills in the Flechtingen Block, north of Magdeburg (Germany) | |
| Claudia Corazzato | The Montecampione Group Triassic Subvolcanic Bodies (Southern Alps, Italy): Depth, Mechanics of Intrusion and Relations with the Host Rock | |
| Marion Geissler | Are nephelinites and ijolites of the Middle Miocene Podhorní vrch volcano, western Eger (Ohre) rift related to laccolith emplacement in the upper crust ? | |
| Kai Hahne | Combined use of high-resolution aeromagnetic and ETM+ satellite data for interpretation of mafic dike distribution in NW Namibia | |
| Francesco Mazzarini | The Pliocene Gavorrano laccolith in southern Tuscany | |
| Alexander Mock | Geometry and textures of laccoliths in the Late Paleozoic Halle Volcanic Complex (Germany) | |
| Axel Müller | Magmatic fabrics of the Land’s End Granite, Cornwall: a key to understanding the anatomy of a composite granite pluton | |
| Mark Pawley | Multi-stage magma mixing in an Archaean laccolith: implications for rapakivi textures | |
| Sunday 13th Oct | ||
| Key-note | ||
|
09:00
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Donny Hutton | The geometry and flow directions of the Tertiary Sills of the Isle of Skye, Scotland |
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09:40
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Dirk Liss | Magma flow geometries in the Whin Sill derived from field evidence and magnetic analyses – indicators for sill emplacement mechanisms |
|
10:00
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Donny Hutton | Emplacement Mechanisms and relationship to extensional tectonics of a Precambrian sill complex in Northern Ireland |
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10:20
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coffee | |
|
10:50
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Sverre Planke | Emplacement of Sill Intrusions in Sedimentary Basins |
|
11:10
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Dirk Liss | ‘Ropy flow structures’ in dolerite sills: initial versus deeper magma flow directions |
|
11:30
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Henrik Svensen | Metamorphism, fluid migration and hydrothermal vent complex formation associated with sill intrusions in sedimentary basins |
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11:50
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Ken Thompson | Sill complex geometry and growth: a 3D seismic perspective |
|
12:10
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lunch | |
|
14:00
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Stefan Kraus | Geochronology, geochemistry and geodynamic interpretationof magmatic dyke swarms of the South Shetland Islands, West-Antarctica – preliminary results |
|
14:20
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Vladimir Cajz | Dyke swarm emplacement in the volcanic centre of the Ceské stredohorí Mts. (Böhmisches Mittelgebirge), Eger Rift, and its paleostress background |
|
14:40
|
Andrzej Muszynski | High-level volcano-granitoidic intrusions from the Zelezniak Hill (The Kaczawa Mts., Sudetes, SW Poland) |
|
15:00
|
coffee | |
| Key-note | ||
|
15:30
|
Volker Lorenz | Relationships between diatremes, sills, laccoliths, extrusive domes, lava flows, and tephra deposits with water-saturated unconsolidated sediments in the late Hercynian intermontane Saar-Nahe-Basin, SW-Germany |
|
16:10
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Ulrike Martin | Peperitic lava lake-fed intravent sills at Ság-hegy, western Hungary: A complex interaction of wet tephra ring and lava in a phreatomagmatic volcanic Complex |
|
16:30
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Christoph Breitkreuz | Are laccolith complexes characteristic of transtensional basin systems? - Examples from Permocarboniferous Central Europe |
|
16:50
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Nick Petford | Concluding remarks and discussion |
| 18.30 | end ? | |
|
19:00
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subvolcanic party | |
| Monday 14th Oct | ||
|
07:00
|
field trip | return to Freiberg around 20:00 |
Publication
We aim to publish selected
papers in a special issue of the Journal of the Geological Society, London.
Manuscripts should be handed to the editors at the meeting. Exceptionally, a prolonged
deadline (15th Nov 2002)
will be accepted for those who want to incorporate results of discussions
during the meeting.