READ.ME NOTE: Digital data files for Geological Survey of Canada Open File 3769 have been compressed using PKZIP. To uncompress the files, use PKUNZIP. Title: Mineralogy and geochemistry of the A4 kimberlite and associated glacial sediments, Kirkland Lake, Ontario Authors: M.B. McClenaghan, I.M. Kjarsgaard, B.A. Kjarsgaard, J.A.R. Stirling, G. Pringle and B.R. Berger RELEASE DATE: August 1, 1999. Contribution to: Canada-Ontario Subsidiary Agreement on Northern Development (1991-95), under the Canada-Ontario Economic and Regional Development Agreement. LIST OF FILES: 1. A4TEXT.TXT - Open File report text 2. APPX-A2.XLS - sample listing and descriptions 3. APPX-B.XLS - sample weight data 4. APPX-C1A.XLS - microprobe data probed minerals in overburden samples 5. APPX-C1B.XLS - microprobe data probed minerals in kimberlite samples 6. APPX-C2.XLS - microprobe data for pyrope 7. APPX-C3.XLS - microprobe data for diopside 8. APPX-C4.XLS - microprobe data for ilmenite 9. APPX-C5.XLS - microprobe data for chromite 10. APPX-D1.XLS - INAA geochemical data- Quality control results 11. APPX-D2.XLS - INAA geochemical data for heavy mineral fraction of till 12. APPX-E1.XLS - ICP-ES geochemical data - Quality control results 13. APPX-E2.XLS - ICP-ES geochemical data for <0.063 mm fraction of till 14. APPX-F1.TXT - bedrock descriptions 15. APPX-F2.XLS - bedrock geochemical data 16. APPX-G1.XLS - visible gold grain counts 17. APPX-G2.XLS - visible gold grain abundance, size and shape 18. APPX-H.XLS - pebble lithology data