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Hunting For Cretaceous Fish In Tucson


RJB

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I finally got around to doing a bit of prep on this rock the other day until I got too cold and quite and came inside. Then I put in another hour or so the day after that and quit again because of the frigin cold! And I still had nothing more to show for all that work except lots of scribe marks on the rock. A very boring process, but one that has to be done sometimes. Once I finally started getting to the tail of the fish and onto the meaty part, I really began to wonder if I could really prep this fish? It was extreamly difficult to tell the difference between the rock and the scales??? I even stopped that day and then attacked it a bit more today with some new vigor and determination and finally started to get somewhere. I do have a book on the Santana Formation in Eastern Brazil, and I do know that this fish is about 140 million years old, but I cant find my book so thats all you get for now. Sorry. This dang stupid fish seems to have head problems, but I dont want to say anything untill I get more rock off it and see just how it may turn out? The very first fish I prepped out from Brazil years ago was a piece of cake compaired to this very tuff one!!! I took several pics of this fish so you can see what I was kinda going through without being there, but I have no idea yet just how good or aweful this fish may turn out? I also wasnt keeping track of how many hours Ive spent on this fish so far, but I will take a guess at 5 for now? Dam fossils!!!

RB

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"Dam Fossils" - can't live without them, can't live without them!

Thats purty dang funny. I had to read it twice actually. I know the photos dont show much, but I think I can possibly make this a purty dang neato fossil. Im still wondering about the head, and Im still wondering about the dorsal fin, but once I get it prepped out as good as possible I will smooth out the surounding rock, and the smoother the rock gets, the darker it will become making for a much better contrast between the fossil and the rock.

RB

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Well, im not too happy with this fish. Just too many problems for me. But I did what I could do.

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Well, I sure do like it! I think it is amazing how you guys can clean these up and make them look so good.

" This comment brought to you by the semi-famous AeroMike"

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Well, I sure do like it! I think it is amazing how you guys can clean these up and make them look so good.

Thanks for the compliment Mike, but I think Im going to put this up for sale as soon as I can get a webpage up and running.

RB

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...I think Im going to put this up for sale...

If it's not a keeper, use it for bait!

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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well it's not perfect but it's still really nice. you should be able to sell it no problem.

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I have to ask..........how did you even know there was a fish in there. The starting product looked like a plain rock. Come on fess up........you have x-ray vision dont you? You can tell me, I wont tell anybody else. I think your doing a great job with prep. It looks like a real pain in the patoot

With rocks in my head, and fossils in my heart....

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Now thats a trained eye.

With rocks in my head, and fossils in my heart....

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Thanks mommabetts. Always nice to get compliments. and thanks everyone else.

Bigjohn. It was very simple to know there was a fish in this rock. Certainly cant see what kind of quality it will be, but when I picked up this rock and started looking at it, I could see two little dark lines on one end of the rock. I asked the fellow that was selling it if that was the tail end and he said yes. I couldnt resist, but I do wish it was in better condition, the head anyways. I will be lucky now to get my money out of it let alone the hours of prep! Arrrrrrrgh!!!!! dam fossils!

RB

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Mamma says "life is like a box of nodules..."

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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Mamma says "life is like a box of nodules..."

Im about ready to start throwing those noduals at momma's head!!!

RB

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Hey Ron,

Dang fossils is right! I've been preparing a porpoise skull I collected at Capitola over winter break, and it first took my 2 hours of chiseling to hammer it out of a boulder, to a nice 45 lb chunk. Then, it took about a week or so of acid preparation (just vinegar) to weaken the rock. Then I had to hammer it with a chisel in the laboratory, which sent chunks of rock flying all the way across the Museum of the Rockies preparation lab. Then, I had to use the most powerful airchisel in the MOR to prep away the calcareous sandstone, and then a microblaster to clean up the details.

It sure is paying off, though; its a dang beautiful specimen, and I should post pictures of it once I'm done. Nice thing is... it represents a new genus and species of phocoenid porpoise.

By the way... the dolphin skull you mailed me a couple years ago; that turned out to be Parapontoporia wilsoni, and its in the Santa Cruz Museum collections now. Now, that one was a real pain to prep. Jesus! I didn't even finish the job; I only got the top surface prepared. Parapontoporia is an extinct "river dolphin" that is closely related to the Chinese river dolphin that just went extinct.

Anyway man... fossils in nodules... I feel your pain! Hope your fish turns out ok.

Bobby

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Thanks mommabetts. Always nice to get compliments. and thanks everyone else.

Bigjohn. It was very simple to know there was a fish in this rock. Certainly cant see what kind of quality it will be, but when I picked up this rock and started looking at it, I could see two little dark lines on one end of the rock. I asked the fellow that was selling it if that was the tail end and he said yes. I couldnt resist, but I do wish it was in better condition, the head anyways. I will be lucky now to get my money out of it let alone the hours of prep! Arrrrrrrgh!!!!! dam fossils!

RB

well, i think you should put the rest of the nodule back on it and sell it as a mystery nodule with a fish in it. it worked for the first guy.

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