188 W.U. Mueller et al.
late
early and
caldera with Mortensen, 2002).
Mine Mueller and
Hunter from
stratigraphic column of the (modi¢ed Sill Roquemaure
Composite 2,732 Ma
(B) at
region. phase
Lake Abitibi intrusive major
geology of the by a
General caldera-forming events separated
(A)
2
Figure