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5. Magma chasing hydrothermal fluids in distal skarns at Campiglia Mari9ma (Italy) Vezzoni, S.

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5.  Magma  chasing  hydrothermal  fluids  in  distal  skarns  at  Campiglia  Mari9ma  

(Italy)

Vezzoni,  S.

1

,  Dini,  A.

2

,  Rocchi,  S.

1

in  prep.

1Dipar'mento  di  Scienze  della  Terra,  Università  di  Pisa,  Via  Santa  Maria  53,  56126  Pisa,  Italy 2Is'tuto  di  Geoscienze  e  Georisorse,  CNR,  Via  Moruzzi  1,  56124  Pisa,  Italy

Keywords:  magma$c-­‐hydrothermal  system,  skarn  deposit,  Campiglia  Mari8ma

This  paper   expand  the  knowledge  of  the  spa$al  and  temporal  evolu$on  of   a  skarn  ore   deposit   linked   to   igneous   rocks   (Campiglia   Mari8ma,   Italy).   Collected   data   led   to   the   reconstruc$on   of   an   unusual  sequence,   in  which  a  mafic   porphyri$c   magma  -­‐gene$cally   linked  with  the  skarn-­‐    intruded  the  previously  formed  skarn.  At  Campiglia,  there  is  evidence   that  mafic  magma  chased  metasoma$c  fluids,  thus  showing  up  an  unforeseen  behaviour  of   magma$c-­‐hydrothermal  systems.

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