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| | TECHNOLOGICAL RESPONSES TO RISK IN HOLOCENE AUSTRALIA (Site not responding. Last check: 2007-09-07) |
 | | Appearance of these typologically regular artefacts during the Holocene, has been seen as a major change in the archaeological sequence, revealing that the ‘tempo of technological innovation had quickened’ (Mulvaney, 1969, p.153). |
 | | Backed blade form varies, but typologically they have been described as falling into two classes: Bondi points, which are asymmetric backed blades, and geometric backed blades, representing a number of symmetrical forms including crescents, triangles and trapezoids. |
 | | Such implements were absent in assemblages of the earliest phase, and are said to be rare or absent in the third and youngest phase, but are abundant in the second phase. |
| arts.anu.edu.au /arcworld/resources/papers/paapapers/jwprisk.htm (9621 words) |
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