PPT Slide

State of geoscientific knowledge about the Slave -

Teleseismic - SKS

Northern sites = 72O, 0.7 s

Central sites = 42O, 1.1 s

Southern sites = 61O, 1.0 s

Evidence for MacKenzie plume modification of Slave mantle?

Evidence for mantle modification by GSLsz?

No east-west variation evident

Three-part mantle zonation?

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