Thanks for the info. Rocks can be quite fascinating... I'm not exactly fond of earthquakes but it seems we're somewhat overdue for a decent-sized one. We went and built our capital city right on top of a large fault line... I really like the city but I wouldn't want to live there.

BTW I processed the other shots last night and put up a small gallery:
http://www.bluemoon.net.nz/photo/printsdb/galleries/view.php?g=28

Now I want to go back and get some better ones.

- Dave

On Dec 14, 2005, at 12:12 AM, Ronald Arvidsson wrote:

HI,

The texture isnt cracks - thats correct. I once upon a time was a geologist before rurning into earthquakes. The tecture of rock e.g. limestone, is due to - 1. The deposits (coral reef or whatever was the basis for the limestone) are layered and when squeezed deeper into the Earth they appear as layers in the rock. Another process which tranforms the rock is pressure - finally it gives marble - that may also give rise to "layered texture". Weatheringbrings forward these phenomenas. Cracks can form around these surfaces - or due to temperature changes. And in some places like New Zealand due to so called tectonic movements which create earthquakes (faults and cracks is the result of earthquakes).

Cheers,

Ronald

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