EGU 2008: Emplacement of magma pulses and growth of magma bodies

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From: Catherine Annen <Catherine.Annen@xxxxxxxxxxxxxx>
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Dear colleagues,

Please consider submitting an abstract to the
following session at the European Geosciences
Union General Assembly 2008,Vienna, Austria, 13 ­ 18 April 2008 :

GMPV16: Emplacement of magma pulses and growth of magma bodies

Description:

Field and geochronological studies suggest that
plutons grow by accretion of repeated, discrete
pulses. Similarly, cycles of cooling and
re-heating recorded by crystals in volcanic
products indicate that new magma is periodically
injected in magma chambers. Depending on their
emplacement rate and on their ability to
amalgamate, repeated magma injections can either
rapidly solidify or build up an active magma
chamber. Magma bodies evolution is related to the
process that control the timescale and the
spatial distribution of the successive injections
and understanding how magma bodies grow has
fundamental implications for the link between
volcanism and plutonism. The objective of the
session is to gather contributions from various
investigation disciplines (field geology,
structural geology, petrology, geochronology,
modelling, etc) that would provide insights on
mechanisms of plutons and magma chamber emplacement and growth.

Conveners:

Catherine Annen
Université de Genève, Switzerland
catherine.annen@xxxxxxxxxxxxxx

Thierry Menand
University of Bristol, UK
T.Menand@xxxxxxxxxxxxx

Michel de Saint-Blanquat
Observatoire Midi-Pyrenees/Universite Paul-Sabatier, Toulouse, France
michel@xxxxxxxxxxxxxxx



Please submit your abstract to Session GMPV16.
The deadline is January 14. Abstracts may be submitted online at :

http://www.cosis.net/members/meetings/programme/view.php?m_id=49&p_id=301

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