Fig. 6. —Group 6. Picture length = 2mm. Specimen 46, crossed nicols, showing very fine groundmass, evidence of preferred orientation (foliation), top right to bottom left, composite (porphyroblastic?) quartz aggregates and scattered epidote and quartz grains, mutually indistinguishable in the photograph.
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Transactions of the Royal Society of New Zealand : General, Volume 2, Issue 4, 2 November 1967, Plate 3
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40Fig. 6.—Group 6. Picture length = 2mm. Specimen 46, crossed nicols, showing very fine groundmass, evidence of preferred orientation (foliation), top right to bottom left, composite (porphyroblastic?) quartz aggregates and scattered epidote and quartz grains, mutually indistinguishable in the photograph. Transactions of the Royal Society of New Zealand : General, Volume 2, Issue 4, 2 November 1967, Plate 3
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