Jump to content

All Activity

This stream auto-updates     

  1. Past hour
  2. Schoharie Creek fossil

    I see a bivalve on the third picture. Fourth picture looks like Thalassinodes (burrows).
  3. Crab?

    It looks more like a clam steinkern to me. Can you post photos from other angles?
  4. encrusted stone

    Syringoporid tabulate coral for me as well.
  5. Real or fake ammonite

    I think real as well. Maybe not the best looking ammonite in the world, but from an interesting and unusual location.
  6. I will join the fun again!!!!!! Mike
  7. Today
  8. Fall Break Fossil Trips

    A couple more finds. What looks like a partial shark tooth, need to get it under magnification. A partial crusher shark tooth. And a few nicer examples of the larger brachiopods I found.
  9. I agree with others that no further preparation should be done except to repair the cracks. It already looks nice for a specimen like this (in fact, I would prefer the unprepped one as it is showing enough details and looks more natural, while the sand blasting revealed some more details, it has destroyed some bones at the same time). In the source place in Yunnan and Guizhou, fossil collectors use acid washing+mechanical prepping (for hard slabs), manual prepping (for soft to half hard slabs) or less commonly sand blasting (for soft slabs) to prep the Keichousaurus. If you really want to self prep a Keichousaurus, you may buy some unprepped one with inferior quality for practice first, manual prepping would be suitable for self prepping in my view.
  10. Fall Break Fossil Trips

    The last spectacular find was this partial shark tooth, possibly Petalodus sp. I found this in a rock that was on the border of being too large to carry, but I decided to lug it down so I could more safely cut it down at home.
  11. Fall Break Fossil Trips

    Today was definitely the best hunting I've had there so far. The limestone here is quite hard and less weathered rock will have almost no bedding planes. This leaves you to whack at large boulders until they are manageable to carry, and unfortunately this often results in broken fossils. So I made myself take pictures of my best finds before trying to break them out, just in case they shattered. My first spectacular find was this partial trilobite. It's not spectacularly preserved, but trilobites here are rare (this is my first) so I was quite ecstatic. I believe it is Ameura sp. Fortunately, I found this guy on a rock which was easy to carry, so not need to whack it. The next great find was this small crusher shark tooth. Possibly Deltodus sp. Unfortunately it was in a very large boulder and broke in two. The break, however, was clean and I recovered both halves, so it should repair nicely.
  12. Fall Break Fossil Trips

    The roadcut is rather large, so I decided that instead of moving up and down the scree as I normally do, I would move left to right near the cliff wall to explore sections that I haven't before. I found one area, near the right end of the roadcut, which was really interesting. All the common brachiopods were found there, but they were all completely compressed. Brachiopods that are usually an inch thick were nearly paper thin. I tried collecting a few, but even in paper towels, they crumbled to bits when I opened them up back home. You can see a few scattered ones below. For those who like to visit this site, this area is near the far right end when looking at the roadcut from the street, and can be quickly identified by the large boulders near the top of the scree.
  13. Fall Break Fossil Trips

    Next stop was to the LaSalle Limestone Member of the Bond Formation (Pennsylvanian), at a large roadcut near Oglesby, IL. This is quickly becoming my favorite spot to hunt, especially since Pit 11 (Mazon Creek) is closed for the year now.
  14. Yesterday
  15. Fall Break Fossil Trips

    The next few days are fall break for me, so I'm home from school. I decided to take the day today to explore two sites in Northern Illinois. The first is an outcrop of the Upper Ordovician Maquoketa Group in Kendall County, IL. I learned about this site from a recent trip report posted here, and found it after a little detective work. I was hoping to find Tentaculites oswegoensis, a small conical fossil of unknown affinities which is only found in this area. It only took me a few minutes before I found a few. I only stayed for 20 minutes or so, as Tentaculites is really the only well preserved fossil in these exposures. There were some brachiopod and bryozoan fragments, but nothing noteworthy.
  16. Catskill Formation, Pennsylvania 3

    Awesome! Glad to hear it.
  17. Tentaculites oswegoensis

    Quite a neat location! I had never heard of this site (nor Tentaculites) but found it after a little detective work. Found quite a few Tentaculites as expected, as well as a few bryozoans and brachiopod fragments (sorry for the lack of scale cube, don't have it with me right now).
  18. Photographing fossils, esp. shark teeth: recommended equipment

    Actually, it is moving into images that are stressing my software a bit at 2 Gigabytes. It is also a scanned image. I may resort to stitching final images in the future. These images are reproduce-able to 3 and 4 feet square at full resolution, print resolution, 300 dpi (ppi) That is without any loss of fidelity in the image I might add. At some point I may start image stacking and using fancy lighting setups, but as a proof of concept on a shoe string budget this is the way to go for me. I'm clutching my vintage scanner to my chest as well. I bought a nice brand-new scanner and the bulb was the wrong color temperature and pushed the highlights into the red spectrum. Which is less desirable. Cheers, Brett
  19. Time Lapse Prep

    Here are some pics of the teeth in the Diplo’s gut. I’m hoping to find a plausible ID but I don’t have any references showing decent images of teeth from the different fish in the GRF. Here are the teeth at 10x Here they are at 20x
  20. What a great weekend

    I had a really nice time there. The scenery was nice and I love going to places that I haven't been to before. I dont have the interest in gemstones like I used to, but it was a good experience.
  21. Sweet image. Does this image represent work past your "scanner period"? If so, how are you imaging this in high resolution? Cheers. -Ken
  22. Now if you please. Once the cut off happens I start pulling names so I don't want any lag time for that. Thanks.
  23. Tiny sharp tooth ID please

    Checked the FLMNH database and Bowfin (Amia sp.) teeth (and other fossils) are indeed quite common at several localities across Florida. I'm awaiting confirmation but currently fully ready to believe that these curved conical teeth are from this bad boy. Cheers. -Ken
  24. I am up for US or international as well. Should we PM you our info now or after we are matched @caldigger?
  25. Photographing fossils, esp. shark teeth: recommended equipment

    Thanks for the shout-out Ken ... I had a nice breakdown of my process that I did for Shellseeker but I can't find it at the moment. I will say I did initially get sent off in the direction I have by Elasmo.com He has a great breakdown of the process of using a scanner to capture the image. http://www.elasmo.com/frameMe.html?file=refs/terms/scanning.html&menu=bin/menu_refs-alt.html I've since moved beyond that a bit and have started going the high resolution "art" route ? As an example ... Cheers, Brett
  26. Stumped on these two

    The one on the left appears to me to be a deciduous horse tooth without cementum, while the second appears to be a newly-erupted deciduous tooth still covered with cementum.
  27. encrusted stone

    I think that would tilt things toward a tabulate coral similar to syringopora.
  28. encrusted stone

    The stone is 3 cm. The diameter of the "circles" is 1 mm.
  1. Load more activity