Wednesday, October 17, 2007

Prehistoric rock engraving










I rediscovered this hand sized circle engraved into the sandstone under a layer of rotting leaves on the cliff edge at Katoomba. After trying some ordinary shots for about half an hour, the late afternoon sun slanted through the cloud for a few seconds and revealed it in relief. The second photo shows the view from the cliff edge with the engraving in the foreground in front of the rocky spire. You can stand on top of the spire, carefully, and look out over the vast space to the cliffs on the other side of the valley at Sublime Point - breathtaking.

The Gundungurra people occupied this part of the Blue Mountains in the recent past and it may date from that period of more intense use beginning around 3-4,000 year ago, or from the end of the last ice age around 10,000 years before present when regular seasonal use appears in the archaelogical record or even from a period of earlier intermitent occupation around 22,000 years BP.

Engravings like this one were made with stone tools by first pecking a series of holes and then abraiding the connecting walls, you can see a small remaining section of the left. It is one of only two known circular stone engravings in the Blue Mountains and like many religious objects its simple form belies its deeply sacred nature.

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