Ialewis - Jan 30, 2008 5:55 pm - Voted 10/10
Re: Another theory:You raise some good points, but I am not sure they disprove the gravity model. Here is my justification:
Assumption 1) If mud acts as a high viscosity fluid then it would flow downhill.
Assumption 2) Net movement (both rock and mud) are described by vector sum, not a single vector. In other words, the mud is moving in many directions (all downhill) and the net movement in any given location is the sum of simultaneous movement in all of the various directions.
Assumption 3) The magnitude of the component vectors is not constant over time or space. As mud builds up, the flow towards that point slows. Similarly, the production of semi-fluid mud may not be constant over time and space (e.g. differential heating across the valley over the course of a day and/or seasons).
If these assumptions were true, I wouldn't expect the track or the rock to move in a single direction over time.
As to the track, boats leave a track in water. The higher the viscosity, the longer the track will be visible. However, I can not explain why the surrounding cracks (not the track) do not fill in.
All of this is conjecturer, but I find the wind and/or ice model hard to believe. Please post another message if you have any other thoughts on the matter. The topic is fascinating.
EricChu - Dec 2, 2009 6:48 am - Voted 10/10
This is interesting!I never knew about this phenomena before!
Romuald Kosina - Dec 2, 2009 8:28 am - Voted 10/10
Very...Very interesting!!!
A story of a single stone....???
Cheers!!!
Romek
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