Re-Os isotope evidence for late Archaean.stabilisation of a thick lithospheric mantle keel beneath the Kirkland Lake area, Superior province, Canada. Further evidence for long-term crust-mantle cuopling - Pearson, D.G.; Meyer, H.O.A.; Boyd, F.R.; Shirey, S.B.; Carlson, R.W. (International Kimberlite Conference: Extended Abstracts, 1995)