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Anyone know about the block coming off Odin? 31-Jul-2017 At 8:32:36 AM Dr Nick

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Disclaimer - it's been over 20 years since I've been to Frog... but.

My memory is that the top had quite a bit of scree, and it was definitely an area where even as a teenager I thought a helmet was a good idea. The other point is that the nature of the rock - which gives it the nice clean cracks that it's known for - means that it's going to form blocks. These blocks may be firmly anchored, or only held in place by a few points of friction.

If the area got frost then stuff would fall off more rapidly, but as it is the weathering is relatively slow. The result is that you're going to have sections which are reasonably well held in when tested, but over the course of decades will lose enough material that they loosen up.

Another factor could be heating from bushfires, which could cause cracking. Have there been any decent size ones around the base in the past few years?

(PS it's probably just Wendy refusing to admit that anywhere but Victoria could have worthwhile rock...)