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fossilman
Had a yearly excursion to Dorset a couple of weeks ago and found this.Can i assume this is also a birchi nodule and if it is taking Steves advice what is the best way to strip off the air pen or the good old hammer and chisel? any advice welcome.


IMG_6697.jpg 

Charmouth_2016_and_2015.jpg 


Thanks

Dave


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tngray
I found this nodule on Monmouth beach on Monday. I have no experience with this material so I am looking for advice on how to proceed. At this point, I am just clearing the top with the pen.

Any words of wisdom are welcome.

20150808_birchi_nodule.jpg 
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plagistoma
If it's a birchi you need to get as much rock off as you can including all the outer skin of the birchi, the forces inside tend to shatter the ammonite if the outer shell is left on.
 

steve
It's always great to "shoot" your own
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FossilPhil
Looks like a Microderoceras sp. to me!
If so, it is probably from the birchi subchronozone.
Would love to see how it looks after prep.
-Phil
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plagistoma

If you us a hammer and chisel it might crack along its weakest point which usually is through the ammonite. that looks a softer rock than some which can be quite brittle, I would try the air pen but watch the spines on the Micro as they ping off quite easily.

steve
It's always great to "shoot" your own
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fossilman
Cheers Steve, I have been using the air pen on it for the last 2 hours. It might look soft but it is tough going. There is a hell of a lot of pyrite when you get anywhere near the fossil. It's akin to the normal stuff I prep from the Yorkshire coast, although the ammo is not as tough. Might take some time to do this one.
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fossilman
If your interested an update on my Birchi, it is really hard going just doing a bit now and then. It does seem to go to the centre but I think the outer sections still to be prepped might be a bit mashed. Will keep updating for any one interested.

David Click image for larger version - Name: image.jpeg, Views: 252, Size: 1.71 MB
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Elbert
Hello, a very nice find!
You are doing well on prepping it as you do [thumb]; just keep going, the result will probably be a beauty!
And, yes, keep us posted on the progress.

greetings, Bert
the search is as valuable as the finds...
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fossilman
Thanks Bert

Spent most of the day in the shed today and finally got to the middle. Wow, I love it. I think I will have to tackle the outer whorl now but I think it is crushed or missing bits. Will keep you posted.

Bert - I notice you are at port this week. I was planning a trip next Saturday so leave some for me! Click image for larger version - Name: image.jpeg, Views: 238, Size: 1.72 MB
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Elbert
Hello, no worries there; every tide there is new material to be found.
The total number of ammonites in this fall must be staggering;  but not every specimen is well preserved, nevertheless still enough good ones to make it worth the climb...
Maybe we will  meet on beach, would be nice.

greetings, Bert
the search is as valuable as the finds...
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plagistoma
That's turning out nicely,well done.

steve
It's always great to "shoot" your own
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Koss1959
That is stunning. There's something to be said for a micro of that quality. I wouldn't worry about the body chamber being crushed. That is very common in larger micros and is almost expected. Nice find.
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fossilman
All

Latest update on the Birchi nodule. More of the outer whole there than I expected but there is a small section missing. Had a few problems with a big fracture that split a big chunk off the outside and a few spines off, it just appeared out of nowhere and I watched it grow over a few minutes. Have saved the bit that came off and may try to salvage it. After that just need to tidy up the outside then I'm there with it and very happy.


It measures 175 mm at its widest.

David Click image for larger version - Name: image.jpeg, Views: 265, Size: 1.75 MB
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Tom
Well persevered and great result.
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plagistoma
Looking good although I think I would take off the damaged outer whorl up to the top of the picture and have a better looking smaller one, either way nice going.

steve
It's always great to "shoot" your own
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estwing
That is a stunner, and you're doing a remarkable job, there
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Elbert
Hello, nice result on this Microderoceras!
The bit missing at ( the end of?) the bodychamber; bitten ammonite?

greetings, Bert
the search is as valuable as the finds...
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Doggerfan
Good job so far, I'd say. I'd love to have something like that in my collection, despite the small imperfections.
Best wishes from the Lake of Constance. Roger.
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