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By means of archaeological methods of excavation, in which sand was removed inch by inch, 14 australite specimens were discovered in situ, along with materials for radiocarbon dating. A study was made of the history of materials forming the humus podsol in which the australites occur. The glass of australites found in situ is dulled, but the structures are sharp, showing that little movement has occurred. No australite has been found in or below the hardpan of the humus podsol. Seven radiocarbon datings were made of fossil hardpan material, of charcoal at various levels above the hardpan, and of grass tree resin in situ above the hardpan. The oldest date was 7300 years for carbonized wood fragments in the hardpan. By its physiographic and stratigraphic relationships, and by its analogy with similar soils elsewhere in Victoria, the humus podsol is believed to have formed during the last glacial period. The possibility of an age for australites younger than the one some chemists and physicists have proposed therefore should be seriously considered.

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