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To: Gib Bogle who wrote (72661)2/28/2010 5:03:12 PM
From: Maurice Winn1 Recommendation  Read Replies (1) | Respond to of 74559
 
The government confiscating private property, as usual - Pokeno, 19th century. teara.govt.nz

Good pictures Gib. Thanks for the link.

Regarding falling rocks, the cliffs around Piha are hazardous [walking south at the base]. I spend very little time there and preferably at low tide outside the fall zone. A small stone on a noggin would be fatal. I don't think there are warning signs there, but the cliffs get there by rocks falling down. So they will fall. And idiots will chuck or roll stuff from the top but fortunately there are not many places they can conveniently get near the edge and where they can there are no potential missiles handy.

I did get a traumatic shock in that series of photos - suddenly I came across Helen Clark leering out at me.... brrr.....

Regarding sand coastal movement. One of the more interesting topics for me in civil engineering was sediment transport [in canals etc - loose boundary hydraulics] Arved Raudkivi was busy ... Google gave me several references. amazon.com

I haven't studied sand movement along beaches [or sea floors] but your ideas seem right. Like dunes, and other sand formations, sand likes to travel in lumps. Birds of a feather I suppose.

That means that gold also likes to travel together. So turn your talents to profits and follow the sediment from creeks along the Coromandel into the Firth of Thames and figure out where the various densities and particle sizes would end up and there will be loads of gold waiting to be scooped out of depressions in the old sea bed, which will now be silted over. We could sail up and down doing some subsea/subterranean sediment studies to find old depressions. Iron sands are useful, but gold sands are valuable.

Mqurice