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Characterisation of Archean Subaqueous Calderas in Canada             213


                                                                                   Mueller


                                                                                   from  caldera  late

                                                                                   (modi¢ed  early and



                                                                                   caldera phases  the caldera with




                                                                                   late
                                                                                   early and  Lake Sturgeon



                                                                                   into precaldera,  stratigraphy of the  Galley).






                                                                                   divided  author A.  from

                                                                                   Subprovince  Composite  (B)  section




                                                                                   in theW abigoon  pyroclastic debris.  stratigraphic






                                                                                   caldera  of  Franklin et al., 2005;


                                                                                   Lake  abundance

                                                                                   Sturgeon  from


                                                                                   (A)  Note the  (modi¢ed

                                                                                   11  et al., 2004).
                                                                                   Figure  phases
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