Garnets from kimberlite occurrences in the Republic of South Africa, South West Africa, Southern Rhodesia, Tanganyika, Guinea and Sierra Leone were analysed, by physical methods of analysis. The purpose of making the analysis was two-fold: 1. To compare the composition of garnets from diamond-bearing, with those from non diamond-bearing kimberlites. 2. To evaluate the results of analysis by physical methods, by comparing them with the results of chemical analyses. Analyses by physical methods were made by measuring the refractive indices, the lattice constants and the specific gravities of the garnets and plotting them, along with chemical composition, on a three dimensional tetrahedral diagram (after Winchell, 1958). No difference was found between the garnets from diamond bearing and those from non diamond-bearing kimberlites. Analysis by physical methods was found to be almost as good, and in the case of small samples, probably better than chemical analyses.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.115106 |
| Date | January 1963 |
| Creators | Grattan-Bellew, Patrick. E. |
| Contributors | Stevenson, J. (Supervisor) |
| Publisher | McGill University |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | English |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Format | application/pdf |
| Coverage | Master of Science. (Department of Earth Sciences.) |
| Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
| Relation | alephsysno: NNNNNNNNN, Theses scanned by McGill Library. |
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