 | | Report (issue) | | any apatite, and ZrO8 if there is considerable zircon or eudialyte. If these constituents are not determined...ZrO3 in rocks with nephelitc, much eudialyte, or zircon, Cr2O3 and NiO in many dofemanes and pcrfemanes...geographical. The primary step is by continents, North and South America coming first, then Europe, Africa...definite directions. Thus North America may be referred to four zones, running north and south: An Atlantic...Central zone, including Norway, Sweden, Finland, Germany, STATEMENT OF BATING. 65 Austria, Hungary, |  | | Report (issue) | | 1ninerals, andalusite, sillimanite, topaz, vesuvianite, zircon, forsterite. Next co1ne the 1netasilicates with...pre-Cambrian schists of the Great Lakes region of North An1erica. American petrologists, in spite of Becker's...he :ManapouriTJoubtful Sound section, 50 miles north, a high grade of metamorphism is maintained over...schists of the amphibolite facies in the coastal area north of Jackson's Bay in southern Westland. Here the...McCallien, W. J. (1934) The metamorphic rocks of north-east Antrini, Roy. Soc. Edinburgh, Trans., vo1. |
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