Fig. 1 .-Group 3. Picture length = 2mm. Specimen 74, crossed nicols, showing variable grain size and one of the chalcedonic bands.
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Transactions of the Royal Society of New Zealand : General, Volume 2, Issue 4, 2 November 1967, Plate 3
Word Count
21Fig. 1.-Group 3. Picture length = 2mm. Specimen 74, crossed nicols, showing variable grain size and one of the chalcedonic bands. Transactions of the Royal Society of New Zealand : General, Volume 2, Issue 4, 2 November 1967, Plate 3
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