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Showing results for tags 'procerites'.
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From the album: Middle Jurassic Ammonites from Southern Germany
ø 7cm. Zigzag zone, Early Bathonian. Found in the Krottenbach in the Wutach Valley.- 1 comment
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From the album: Middle Jurassic Ammonites from Southern Germany
33cm. This one was in several pieces and was missing part of the keel, so I had a bit of glueing, modelling and painting to do on it. retrocostatum zone Late Bathonian Found near Blumberg, SW Germany- 2 comments
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I'm almost done with prepping this huge Procerites on commission and I figured I'd just show this as an example of how long it sometimes takes to get one of these whoppers finished. It has a diameter of 35cm. (14 inches). I've already been working almost 17 hours on it and still have some filling and modelling to do. This came to me in 2 pieces which had been removed from 2 neighboring blocks with a thin layer of calcite which had seeped into the tectonic spalt between the two. There was also a small piece of the puzzle missing which couldn't be extracted, which is why I still have some modelling ahead of me. I had worked almost 4 hours removing matrix from the larger piece with the rough stylus before I took the first photo. Then I started abrading. The matrix was pretty tough, so I was blowing up to 80psi. And to make things more complicated, it was covered with tightly sitting epizoans, particularly oysters, which loved to colonize these things after they had hit the dust, so I had to spend some extra time blasting the parts away which I couldn't remove with the stylus, otherwise the ammonite shell would have been damaged. Next photo after another 2 hours or so. Another hour and a half with the abrader: And yet another hour and a half. I had to do some more stylus work around the back here as well. And finally another 2 hours to get it more or less done. So now we're already up to 11 hours.
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From the album: Bobby’s ammonites
Procerites species bathion burton Bradstock Dorset Uk-
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From the album: Middle Jurassic Ammonites from Southern Germany
34cm. Found many years ago at a construction site in Blumberg, B.-W. From the late Bathonian retrocostatum zone. A gift from a friend. -
I've been doing a lot of contract prep work for a particular collector for quite a while. He recently picked up some raw material bargains from an old collection and brought some of them by last week for me to clean up for him. When he came to pick them up today, he decided to gift me one of them, which just made my day, since it's an excellent specimen of a species which is hard to find these days in this size and condition. It's a Procerites hodsoni with a diameter of 34cm. which was found in the Bathonian layers at a construction site in Blumberg a few decades ago.
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Steinkern
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From the album: Middle Jurassic Ammonites from Southern Germany
15cm. A rare find from the Wutach valley. Retrocostatum zone, late Bathonian.-
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Calcitized steinkern.
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Limestone mold.