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Found 20 results

  1. Mikrogeophagus

    Petalodus ohioensis, Harpersville Fm

    From the album: Virgilian Series

    Petalodus ohioensis, Wilson Clay Pit Harpersville Fm Nov, 2022
  2. That day was so exciting, because I found a really nice specimen of Mixoneura wagneri fern, a specie that isn't very commoon in the area. And the color is... I had the luck of found some Arthropleura armored pieces too (I have to clean and glue them) and a small part of a cockroach wing. Terrestrial fauna are very rare in Spain... I found It on a restored coal mine from upper Carboniferous, Stephanien B of NW Spain.
  3. oscarinelpiedras

    Some Carboniferous flora

    Here you have some beautiful fossils that I have been finding lately ^^, all of them come from the same coal mine in the NW of Spain, Stephanian B, Upper Carboniferous. I hope you like them! 1. Parasphenophillum crenulatum 2. Neuropteris ovata var. Hoffman 3. Aphlebia crispa 4. Diplacites emarginatum 5. Oligocarpia gutbieri 6. Calamite suckowi
  4. I recently went to a site in wich there are only one single specie, Neuropteris ovata. But Neuropteris ovata has many diferent shapes and sizes wich depend of the area of the frond wich the pinnules come from (Upper, lower, terminal, basiscopic, acutifolia zones, etc.) You can also find Cyclopteris fimbriata, that are big basal leaves from the frond. Upper Carboniferous of NW Spain. Here are some examples:
  5. oscarinelpiedras

    IMG20221210162837

    From the album: Neuropteris ovata

  6. oscarinelpiedras

    IMG20221210163235

    From the album: Neuropteris ovata

  7. oscarinelpiedras

    New Carboniferous insect found in Spain

    Mischoptera bergidensis https://aragonitoazul.blogspot.com/p/fosiles-de-la-provincia-de-leon.html
  8. oscarinelpiedras

    Carboniferous flora for ID, maybe a bract?

    Hi! I am new here, my name is Óscar and I am a spanish boy (16 years old) that are interested in paleontology, I like specially flora remains he he. Here I have a unidentified fossil from the Carboniferous period, Stephanian B of NW Spain. Terrestrial environment. Could any body say me what could It be? They are two different specimens, and they are incomplete, but they remind me of a bract, since in the large specimen a more elongated area is attached to something else that idk what is It, but it's from the same specimen, in the small specimen you can also apreciate It but bad preserved. Both pieces are the same type of fossil. There are many Aphlebias and Lepidocystis asociated in the area. Thanks you! ^^
  9. Hi all, I’m excited to be going on a field trip with a a group in Illinois (ESCONI) later this month to a site that has a huge mound of mined-up Pennsylvanian shale. There may be some carbon-film plant impressions there. I’ve never collected this type of fossil before, and I’ve heard that carbon films can disappear quickly when exposed to the air. My question is should I bring something to coat this type of fossil? And if so, what? In doing some research, I see that some people recommend spray-on Krylon while others recommend against it. Would brushing on a thin coat of Paraloid do the trick? (I’ll check with some members from ESCONI, but it’s a new site for them, and their material says that there is a lot they have yet to learn about preservation of specimens from this location.)
  10. From Ohio, grew up in Brownwood Texas. I’m in town for the weekend and am looking for directions to Wilson’s Clay Pit and any other public locations to hunt fossils. Thanks!
  11. From the Kansas River levee in Lawrence, along a jogging trail. Should be Pennsylvanian period. Thank you in advance. I told her it's a dancing chicken fossil but she doesn't believe me. Sorry for not having a ruler.
  12. Rod shaped structures with central cavity, shape reminded me of urchin spines. Bryozoan and coral in background. I thought about weathered coral but the structures seem too straight. Smaller rock with similar but larger structure on back.
  13. This photo was sent from a person who knows nothing about fossils or geology so the questions far outnumber any answers. We hope to see it in person in 2 weeks or so and will then determine the location, confirm the formation, and provide the size. The area around Jacksboro Texas, the only information we have now, is mostly the Graham formation, so that makes it marine deposits in the Cisco group, Late Pennsylvanian. I have tried to imagine it could be a bryozoan or some kind of plant but nothing I know of is a good fit. I thought maybe someone here might recognize it.
  14. Dblackston

    First Year 4H Exhibit

    We have been collecting for our first year 4H exhibit. These were all collected in Kansas in the Smoky Hill Chalk and also in Southeast Kansas around Greenwood, Elk, and Chataqua counties. We are looking for some concensus on our identification. We have had a hard time this year due to Covid. When we used to do this 15 years ago we would go to big meetings where we would get help identifying things. This year it was all identified on site and the leaders were very busy helping many people as best they could. As you can see we have already caught quite a few errors ourselves so we are pretty reluctant on the others. I couldn't get my camera to focus on the label and specimen at the same time so sorry for the fuzzy labels. I am helping my neice with her project. She is 7 and just learning about geology but has been picking up rocks and bringing them home for years. Seems like shark teeth are her favorite like alot of others here on the forum. We really want to get east in Kansas and find some carboniferous stuff.
  15. Hello everyone! I discovered some fossils at a site previously identified as being from the Pennsylvania period. Thanks to anyone who can identify because I don't have enough knowledge and I don't find anything on google about this type of fossil. In addition to these fossils, I found annularias, calamites and pecoteris among other species. Geologically, the soil has river sandstone and other sedimentary rocks. Thanks
  16. Today after work, I went to a new-to-me site in Iowa City. I had seen an old online pamphlet walking tour of the geology of the University campus. They listed a site they described as Pennsylvanian sandstone/siltstone in which they said there may be impressions of wood fossils. Here’s a piece I found: It’s very fragile, so I’ve only done some very light cleaning with a soft brush. Here’s a closer image: Here’s an even closer image where you can really see the grain. Am I right in seeing wood here?
  17. jikohr

    Mazon Creek id help

    Hi everyone, I was going through some more of my Mazon creek material and could use some help with ids I have some ideas what these might be, but I'm still pretty inexperienced and would really appreciate some help. Thank you in advance!
  18. The fern belongs to the Pennsylvanian period. It was found in Missouri in the potsdam formation it’s around 4cm
  19. Samurai

    Neuropteris sp.

    From the album: Missouri Plant Fossils

    One of my favorite finds comes in at roughly 2.8cm and has two beautiful leaves next to each other!
  20. I read @rachelgardner01 's trip report* recently on the fossil forum telling about St. Clair-style white fern fossils and how the ghost town was once again being visited by more than just the most reckless of thrill seekers. Not long ago, extremely few people dared to go beyond the new bypass for fear of falling into flaming sink holes. The place has become unregulated like the Wild West, with tourists coming from all over to see the “Highway to Hell” and ride their ATVs. The fire was reported to have burned out in town and moved down the coal vein. Clearly, no one is worried about sink holes. After a couple hours enjoying every ride with no lines at Knoebels Amusement Park on a very foggy, soggy day, we drove to Centralia for a little fun. What could be cooler than a ghost town on a foggy October day? And, by the way, after enjoying the romantic setting, maybe we could find the quarry. Rachel's trip report included a handy aerial map with the slope marked in red. It was a short walk from on of three cemeteries that are still maintained in town. All we had to do was follow the ATV tracks. We met a microbiologist while we walked. She was looking at the bacteria, comparing soil samples from places where the fire was out with samples from some hot spots above a fire that still exists deep below town (with surface soil temps around 80F). The bacteria present in the hot spots are out of balance. There is an overabundance of the wrong sort. However, in the spots that have cooled down, the balance has returned surprisingly quickly. And, by the way, she had a permit to be there. The town is still considered too unsafe for the general public, but it isn’t patrolled. Two lessons should be learned from this: 1. Nature always finds a way. 2. If the rocks I’m examining seem kind of warm, find someplace else to prospect! We found the quarry about an hour before sunset. We found ourselves at the top of steeply sloping walls covered in scree over smooth, slick, carbon shale. I watched my step, kept my center of gravity close to the ground, and tread carefully. I like sliding down scree-covered slopes, but not when I do it unintentionally. The fossils were plentiful! I saw calamites and lepidodendron all over the place. Some were bright white while others were gleaming gray on matte gray shale. Some had a single fern frond and others were a riot of plant textures. A few were coated pale yellow. The hard part was picking out the nicest ones to take home. I have been to this formation before. I made several trips to Carbondale, to the NE, over the last couple years. I missed my chance to go prospecting at St Clair ( a few miles to the SE ) as they closed the site to all but school groups a few years ago, but I do have some pieces that others collected before they closed. St Clair and Centralia both have the white ferns. Carbondale has the most detailed preservation. The ones there that are colored are yellow to deep red with a few that have iridescent spots. Centralia’s stone is the most crumbly and delicate, especially when damp. Although Centralia, St. Clair and Carbondale are all part of the Lewellen Formation and reasonably close to one another, there is a distinct difference in the stone at each locale. St Clair and Carbondale have firmer shales. I wanted to find things that I did not already have represented from Carbondale. That proved tricky in the short time I had, but I did find some nice white ferns to take home. Plus, I have a plan for another trip at some point with more time – maybe with some simple rappelling gear? Coincidentally, this month’s speaker for the Delaware Mineralogical Society was a geologist who participated in a study of the mineralization of St Clair plants. Here, then, are some of the highlights after I thought to take notes. Time period: Pennsylvanian Sub-period, 320-290 million years old The environment was a swampy area where the sediments settled slowly. The plants were minimally compressed during preservation, so the impressions are more or less the same size as the original biomatter. The silvery-gray material coating some of the plant impressions is graphite while the white is a combination of pyrophyllite and kaolinite after pyrite. When the swamp was buried, the thicker parts of the plants pyritized. Heat and pressure then transformed the pyrite into the white minerals, which settled to the bottom. The upper surfaces retained the carbon and became coated in glossy graphite. So, what one sees loose on the ground are a mix of upper and lower surfaces. *
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