Doctor Mud Posted February 15, 2015 Posted February 15, 2015 (edited) Hi guys, Here's a large Miocene nautiloid (Aturia spp.) from the Miocene sediments of the north Canterbury coast in New Zealand. I saw it from a distance and thought I was seeing a weathered gastropod or turret shell. A shame that there is a bit missing but interesting to be able to see the chambers and siphuncular tube. I still plan to prep out what is there. It would be nice to find a complete one of this size one day! Its about 15 cm across. Red dashed line shows a possible outline of the complete shell. Another (dorsal) view showing the chambers and siphuncular tube. Edited February 15, 2015 by Doctor Mud 1
amour 25 Posted February 15, 2015 Posted February 15, 2015 How the heck do you get that out? Jeff Jeff
fossilized6s Posted February 15, 2015 Posted February 15, 2015 Sweet! I can't wait to see her prepped out! ~Charlie~ "There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK ->Get your Mosasaur print ->How to spot a fake Trilobite ->How to identify a CONCRETION from a DINOSAUR EGG
Doctor Mud Posted February 18, 2015 Author Posted February 18, 2015 The top bit (with the chambers) looks delicate and could be tricky to prep. out with the air scribe. Maybe strengthening with a consolidant inside might help? The rest of the shell looks robust and should prep. out nicely.
Doctor Mud Posted November 10, 2019 Author Posted November 10, 2019 7 hours ago, fossisle said: Any progress? I’ll take a photo. Not finished yet as I haven’t had a prep space for a while. It is very sticky and I set it aside. Funny you mentioned it as I found my first one since I found this one this trip. 1
RJB Posted November 10, 2019 Posted November 10, 2019 11 hours ago, Doctor Mud said: It is very sticky and I set it aside. Hey Doc, may this is a candidate for a polish? RB
Doctor Mud Posted November 10, 2019 Author Posted November 10, 2019 2 hours ago, RJB said: Hey Doc, may this is a candidate for a polish? RB Hi RB, Sounds interesting! How would I do that? Scribe it down until the last layer of sticky matrix and then polish? love to see some examples
Mark Kmiecik Posted November 10, 2019 Posted November 10, 2019 On 2/15/2015 at 8:46 AM, amour 25 said: How the heck do you get that out? Jeff You put it in your bucket and walk back to the car. Now that I have that out of my system, I can't wait to see the results too. Mark. Fossil hunting is easy -- they don't run away when you shoot at them!
RJB Posted November 11, 2019 Posted November 11, 2019 20 hours ago, Doctor Mud said: Sounds interesting! How would I do that? Scribe it down until the last layer of sticky matrix and then polish? love to see some examples I get down close to the shell material and then start grinding away with my different grinding and sanding tools and then polish with a small polishing wheel. I cant seem to find the pic of my polished Aturia? RB Aluminum oxid grinding wheel and a sanding barrel. 2
Doctor Mud Posted November 11, 2019 Author Posted November 11, 2019 Thanks @RJB always learning new things on here!
RJB Posted November 13, 2019 Posted November 13, 2019 On 11/11/2019 at 3:36 PM, Doctor Mud said: Thanks @RJB always learning new things on here! Now that ive re-read my last post I see that I forgot to tell you that the sanding barrels come in different grits from course to fine. RB
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