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Post by deb193redux on Jan 29, 2013 21:05:40 GMT -5
someone might be able to name a species if you show more grain. what river, and where does it flow from. do you know the local geologic history of the river banks?
can't attach more than one, and attachments are periodically deleted. you want to park images somewhere else (like photobucjet) and just reference them here. some tutorials in the member;s photos section.
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n8hounder
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Post by n8hounder on Jan 29, 2013 23:20:07 GMT -5
Oh okay thanks ... And the rivers laid down sand stone holding these rocks somewhere around 75 million years ago. From what I can tell from maps of the area's geology and old survey records. But the age of the petrified wood I'm guessing could be 250 mil years ... but I am not sure. The rivers I think flowed from the Rockies as they first formed. But I read something about a mountain range that existed in Arizona by the petrified forest. So maybe it came from the south..it does look like some from there...Also I find lava stones in with the wide verity of ancient river rocks. But no clue where a volcano was between here and the mountains. I wonder if it could have been from Yellowstone maybe ... but I'm just guessing. It would be really cool to know....
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Post by deb193redux on Jan 30, 2013 9:40:54 GMT -5
I had read that the rockies were only about 85 million years old. The wood could have deposited before they lifted.
I have seen a lot of Arizona wood, and this does not have the same look. Color aside, the grain looks different, but this could be effects of river tumbling that I am confusing.
You might look at some of the stuff from Eden Valley on the other side of the Rockies. Some of it looks similar.
check out sticks-n-stones lapidary's petrified wood collections
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keystonecops
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Post by keystonecops on Jan 30, 2013 12:03:46 GMT -5
No ider on id, the black one looks opalized to me. Later Clyde
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Fossilman
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Post by Fossilman on Jan 30, 2013 12:18:34 GMT -5
Looks like some oak there too...........The yellow ones.
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n8hounder
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Post by n8hounder on Jan 30, 2013 17:51:20 GMT -5
Thank you everyone for the info , very interesting and helpful... I do find lots of opalized pieces and Identifying what types has been difficult for me , if it were sliced flat I think I might able to use a site I found that explains grain size and shapes... I think I have some palm wood also, I saw a pic of some being sold and it looked very easy to identify the large grain that looks like dots evenly spaced.... I have many more pictures and questions but I don't want to be a bother to anyone... would any of you mind looking at some more pics and chatting with me about possible identification of some of my collection? Someday I was thinking about starting a rock shop and selling some to help our small farm to keep operating. We have tourists that come out here to see Mt.Sunflower.... Please let me know any and all help is very appreciated.
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n8hounder
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Post by n8hounder on Jan 30, 2013 18:10:28 GMT -5
Wow just looked at sticks-n-stones lapidary's petrified wood collections.... puts my collection to shame... Thanks again for the cool link ,deb..
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Post by Bikerrandy on Jan 30, 2013 18:12:29 GMT -5
Beautiful pieces!!
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snuffy
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Post by snuffy on Jan 31, 2013 10:04:44 GMT -5
Nice wood! I started picking up wood about 55 years ago. ![:)](//storage.proboards.com/forum/images/smiley/smiley.png) As far as the pics go,I like to take my pics in the shade outside. snuffy
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n8hounder
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Post by n8hounder on Jan 31, 2013 10:15:36 GMT -5
Ah cool thanks ... yeah that sounds like it should work good. So do you know where yours came from and when it was growing? Mine all got here by ancient rivers.. so still not sure where it was from to start and not much idea on how old either.
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jamesp
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Post by jamesp on Jan 31, 2013 11:10:57 GMT -5
That can be a difficult question n8.The origin of fossils mystifies me.I hope someone an answer that question.Especially out west where ther was so much movement.
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snuffy
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Post by snuffy on Jan 31, 2013 12:07:21 GMT -5
We have different kinds of wood here.Lots of rounded small pieces that were apparently washed in from ancient rivers,many different colors.Then there are the large pieces that formed here, no wear and almost all a light brown, dull colors.Many different happenings through the ages!
snuffy
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n8hounder
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Post by n8hounder on Jan 31, 2013 15:38:54 GMT -5
Yeah your right about that James.. I have been trying to study the local geology for quite some time now and I have had almost no conclusions or answers I can say for sure. Lots of theories but nothing I'd put money on.. It is truly mystifying for me to and out here is it's harder to pin down that where I used to live in Colorado Springs. I probably need to take a geology class with a teacher who grew up out here to get "the answers" That I'm looking for. This area is so over looked by everyone who doesn't live here that some of the best info I found online was from Geologic survey's done in 1930's. Other then there I found no mention of petrified wood at all. Thanks for the sympathy. Besides just wanting to know. I was really wanting to learn so if I ever start a tourist trap here I can know what I'm trying to sell and sound like I know what I'm talking about. Oh I was going to ask you about your big tumbler I want to make one ,but not sure where to start. Some pointers or just list of parts you used would be cool to have.
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n8hounder
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Post by n8hounder on Jan 31, 2013 15:55:17 GMT -5
And snuffy got to say you have a good type of doggy there , we had one get hit a while back and she looked just like yours. The best stray dog I ever met she fit right in. When she came here it was middle of winter and she was almost dead... anyway yeah we have only smaller opalized pieces of many colors too. Are you north Texas? I would guess that it might be from the same time period as ours. I think it must be from the carboniferous era or some were around 200 mil and 300 mil years old. This is maybe coming from rivers that probably flowed 75 mil years ago. It was petrified well before rivers got hold of it... and that's my best guess so far... someday I'll know for sure. Its become a bit of a obsession to me ...
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Post by Peruano on Jan 31, 2013 18:29:44 GMT -5
At the risk of being banished to rock tumbling purgatory or worse, I'll suggest that many of the supposed precise IDs of petrified wood are just arbitrary guesses or wishful thinking by overly enthusiastic folks who want to feel that they have something special. This is coming not from a botanical paleontologist or even a botanist, but rather from someone who was trained in zoological taxonomy, systematics, evolution, and morphology, so I'm extrapolating from my own field. Yes some petrified woods can be Identified with some precision but its done with thin sections, precise situational and floristic data, and detailed study, --- not I went to Southern Arizona and found a redwood tree. Sorry, if I'm stepping on someone's ego, but thats my pessimistic viewpoint. Tom
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Post by Peruano on Jan 31, 2013 18:45:38 GMT -5
Here's a site that talks about petrified wood and plant fossils from the Cretaceous in the Johnston Museum in Emporia. www.emporia.edu/~es/museum/plants.htmRealize as well that depending on whether you are in glacial deposits (the wood could have been carried in that way from the north) or in the paths of major rivers. I found p-w along the Missouri river in Missouri this summer that was strikingly similar to wood that I find in the Rio Grande drainage in New Mexico. Look at the total extent of the Missouri River and imagine where the wood I found came from. Tough question and a precise answer will have to be left to the real technical boys and girls. Tom
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snuffy
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Post by snuffy on Jan 31, 2013 18:54:12 GMT -5
From what I've read,material from the eastern side of the Rockies was washed to the Gulf of Mexico in ancient great rivers.We have rounded quartzite in a large range of colors and jaspers too.Almost all is rounded,washed from who knows where.Those and the wood form a layer under the topsoil that covers the entire formation we are on.
snuffy
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jamesp
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Post by jamesp on Jan 31, 2013 19:16:32 GMT -5
n8,it seems like my hunting grounds are much more simple.Coral reefs that silicified along a ridge from Tampa Florida to Valdosta Georgia.It averages 30 feet of sand on top of a 2 foot layer of coral and usually a layer of silicified algae/sediment a few inches thick below it.So boring and undisturbed.Be thankful for the mysterious variety the west has to offer.
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n8hounder
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Post by n8hounder on Jan 31, 2013 21:59:24 GMT -5
Have to say Tom.. I thank you for the candid opinion. That is helpful. And just slightly condescending.. But it makes sense and is well thought. I find good honest opinions are almost always helpful.So thank you again... I don't think any banishment will be required. ![:)](//storage.proboards.com/forum/images/smiley/smiley.png) I had come across the information giving glaciers as a possible culprit. That is one factor I didn't get around to mentioning. I have read so much from so many sites it gets hard to keep track of it all. I have guesses most of which are educated ones but I never felt sure enough to say I knew anything for certain .The one thing I think I have a grasp of is what the age of the sand stone is here. This area on the geologic maps is small and fairly easy to identify. I was hoping to run into someone who had the credentials to explain the complex puzzle in full. Hence my main reason for being here. So your right it's to hard for me to assume anything beyond maybe when it got stuck in the ground here. Also nice of you to let me know I was breaking the rules with regard to posting to many pic's. I hope it didn't annoy anyone to terribly. I hate to be a bother do to my ignorance. My sincere apologies. I'll do my up most to rectify my behavior and pay more attention to the rules.
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n8hounder
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Post by n8hounder on Jan 31, 2013 22:14:24 GMT -5
Snuffy and James thank you as well your input and encouragement was much appreciated. And yeah James you said it. I am thankful and I do enjoy the mysteriousness of so many things in life. This is another of life's complexities that I admire and realize that a easy answer is just not in the cards.. Maybe someday I will rise to the level of what tom calls "the real technical boys and girls". ![:)](//storage.proboards.com/forum/images/smiley/smiley.png) anythings possible if you work hard enough , even for a dummy like I
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