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Rogers Mountain wood

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Author Topic: Rogers Mountain wood  (Read 323 times)
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« on: March 04, 2016, 07:57:57 pm »

Picked up some petrified wood from Rogers Mountain Oregon. They are small chunks that are found with rounded, smooth exteriors. Inside many have cores of translucent root beer colored agate. The wood itself is highly silicified and shows very well preserved cell structure. The story I've heard is that it was a raft of driftwood that was then replaced (petrified). My question is how do we know it wasn't normal petrified wood that eroded into a river or onto a beach and was worn after lithification by water action? Either way I think they're neat for their realistic wood appearance and gooey centers.


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When you cultivate man, you turn up all the clods

« Reply #1 on: March 04, 2016, 09:43:30 pm »

Way cool!
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Dave, a certified Rockaholic

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« Reply #2 on: March 04, 2016, 11:17:59 pm »

Very cool pieces. I think petrified driftwood would show an uneven wear pattern on the outside; areas where the cell structure and lines are crushed or warped from the wood being pushed up against other wood, rocks, shoreline, etc. or cracks from the repeated wet/dry. If the wear patterns are more or less consistent, then it would seem like the wood had been tumbled in a river post-petrification.
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john likes rocks!
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« Reply #3 on: March 05, 2016, 07:30:19 am »

I like the pure color quartz centers, when that center color is orange/root beer color and highly translucent it's one of my favorites.
Thanks for the great photos!
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« Reply #4 on: March 05, 2016, 02:09:36 pm »

I like the ones with the gemmy centers too. Here's one that makes me think the driftwood theory holds some water (no pun intended).

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