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Found 12 results

  1. North Sulphur River - Weird Finds

    Some of my odder finds from North Sulphur River. The pyritized baculite and the preserved skin were both found in the Ladonia area. The baculite was initially powdery white on the exterior, with just a bit of metallic luster showering. A light scrub with a soft toothbrush revealed the rest. The skin appears reptilian, but I would love further insights.
  2. This is said to be a pyritized Anosteira maomingensis from Guangdong of China. Is it genuine?
  3. UPDATE: Thanks to the help of @Fossildude19, @Al Dente and @abyssunder, (plus others), I'm currently listing this as a Buchiola sp., a bivalve from the upper Hamilton. This little fella is about 8mm across. I have yet to find another example at the site. It was found in the pyrite beds, so it's a float from somewhere, but I couldn't tell you where. It's from Penn Dixie, it's Middle Devonian, Hamilton Fm. That's what I know. Absolutely beautiful little piece. But I have no idea what it is.
  4. Is it worth buying Pyritized fossils (ammonites, etc) for display? I have read many times about them being damaged by "pyrite disease." I am not interested in buying one of these fossils if I have to keep it sealed away. Thank you.
  5. Ammonites from Madagascar are readily available in rock stores around the world. Dating from the Mesozoic, these ammonites represent an extremely affordable example of prehistoric sealife. In Cretaceous deposits, the iridescent nacre is preserved, encasing interior structures replaced with a variety of minerals. Yet, pyritization (replacement with Iron Sulfide, formula unit FeS2) is uncommon. However, I recently received some pyritized examples from the site - the first I've seen in person. Attached are pictures of some of these interestingly preserved ammonites, including a comparison with Peruvian pyrite (I have a small collection of pyrite from around the world). Polished Example: Sliced Example: Peruvian Comparison:
  6. Butvar for pyritized fossils?

    I'm going to be making a trip to the Waco Pit this weekend, and I'm hoping to find some pyritized ammonites. If I get lucky and find some, can I use butvar to help preserve them? Also, is there any way to shine them up just a bit? I know a harsh polishing scrub would damage them, but what about something like a toothbrush to get them clean?
  7. Crinoid fossil

    This rather amazing Crinoid fossil I did not find myself, sadly enough. It's from Sylvania, Lucas County, Ohio. I bought it at a local auction, probably for too much, but it caught my eye and I had to have it. I have found plenty of Crinoid stems in Texas when I was a kid. The "sea lily" stem segments were everywhere in the Dallas suburbs creek beds, and gravel parking lots even. My friend and I filled plastic bags full, sometimes they were around .5" wide. I lost most of my collection of local fossils I found back then from moving a lot and having a storage unit broken into and robbed (lost an old lamp, crummy futon, and a really dresser that just happened to have old concert shirts and fossils in it!) Anyway, I have always loved Crinoid fossils, and this one is small but really stunning, detailed, pyritized and sparkly! Crinoid Fossil Arthroacantha carpenteri Devonian Silica Shale Sylvania, Lucas County, Ohio, USA 2.48 x 2.17 x 1.60 inches (6.30 x 5.52
  8. Small star shaped fossil

    Is this an Echinoid? I found this on the end of a piece of pyritized coral I received from Bob O'Donnell. It looks like the teacher gave the coral a gold star for brilliance. It is approximately 1mm across it's points. Microscope: Zeiss Stemi 305edu, 2x photo eyepiece. Camera: Canon 1000d: 1x objective (2x mag.) 2x objective (4x mag.) 6x objective (12x mag.)
  9. Pyritized ammonite

    From the album WhodamanHD's Fossil collection.

    Im not sure the species or where it came from.
  10. pyritized ammonite from the UK

    Going through some fossils I've had stored for ages and was wondering if anyone could give any insight into what species this is. I found it many years, but unfortunately I don't have any collection info with it. cheers!
  11. Hi, I am lucky to be near a great source of pyritized fossil wood, but have had little joy in my attempts to clean and preserve a nice piece for my display. If anyone has any knowledge or good advise on this subject I would be grateful for any help.
  12. Saturday the Paleontological Society of Austin visited the "Waco Pit". For those of you who are not familiar this is a very large borrow pit from which the US Army Corp of Engineers dug material for the building of the Lake Waco Dam here in Central Texas. The pit exposes the Del Rio clay which is part of the Washita Group, Lower Cretaceous (earliest Cenomanian Stage). What makes the pit special is that it produces a really interesting micro fauna along with the normal sized fossils common at other locations. The microfauna includes lots of tiny pyritized ammonites and other mollusks. When we (daughter and a friend) left Austin it was drizzling and foggy but despite the serious threat of storms we stayed dry the whole time. In fact the cloud cover and breeze made for a nice day. But lord it was still muddy. The clay sticks to everything and for every ten steps you pick up 10 pounds of muck. As you try to pick up the little micros they would get covered in mud and you just hoped the ball of clay you slipped into a bag still had the fossil with it. Rinsing it all off after getting home was fun since it was like finding them again. Sorry I don't have location shots. Being covered in muck I was hesitant to even touch the camera. Here are some photos of the variety of stuff. My two best finds are the nice shark tooth and the Rhyncholite. But there are also plenty of good to decent ammonites and other shells.
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