 | | Book (edition) | | Hig-h and low quartz IN THE MAGMA mag-ma •• Tridymite Calcite and woUastonite Action of peridotite... Scotland ... Skeleton crystals of apatite, South Africa 17. -Melanitc in ijolite, Transvaal 18. ...Island, South Atlantic ... Section across the Bushveld norite, Transvaal Tabankulu Mountain, South Africa...Sorby's methods to the J. granites of the Lake District of England, came to the conclusion that eruptive...of this mineral holds roughly five from East Africa is times aS much soda expressed as follows |  | | Book (edition) | | published in 1927, when the author was resident in South Africa and library facilities were of the poorest....The geological thermometer High and low quartz Tridymite ... Calcite and wollastonite Action of peridotite...Scotland ... 19. Skeleton crystals of apatite, South Africa ... 20. Melanite in ijolite, Transvaal 21. Olivine-anorthite...batholith, Minnesota ... 35. Map of Ascension Island, South Atlantic ... ... 36. Section across the Bushveld...37. Plan and section of Tabankulu Mountain, South Africa ... 38. The Great Dyke, Rhodesia ... 39. Koniakowsky |
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