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Keweenawan rift

Fig. 13. Schematic representation of the upper mantle beneath the Western Superior Province. Lined or hatched regions mark high velocities L indicates low-velocity region KEW refers to region potentially affected by Keweenawan rifting. Arrows show potential regions of localized flow aroimd and below the tectosphere. Fig. 13. Schematic representation of the upper mantle beneath the Western Superior Province. Lined or hatched regions mark high velocities L indicates low-velocity region KEW refers to region potentially affected by Keweenawan rifting. Arrows show potential regions of localized flow aroimd and below the tectosphere.
Some of the extensional basins from which granite-greenstone terranes evolved may well have occurred in an intraplate setting (e.g. analogues to the Keweenawan rift). Attempts to... [Pg.172]

See other pages where Keweenawan rift is mentioned: [Pg.27]    [Pg.40]    [Pg.40]    [Pg.172]    [Pg.27]    [Pg.40]    [Pg.40]    [Pg.172]   
See also in sourсe #XX -- [ Pg.136 , Pg.171 , Pg.172 ]



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