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Found 29 results

  1. Shumilova, T.G., Ulyashev, V.V., Kazakov, V.A., Isaenko, S.I., Svetov,S.A., Chazhengina, S.Y., Kovalchuk, N.S., Karite – diamond fossil: a new type of natural diamond,Geoscience Frontiers, https://doi.org/10.1016/j.gsf.2019.09.011. (open access) https://www.sciencedirect.com/science/article/pii/S1674987119301768 Yours, Paul H.
  2. My collection

    This is part of my collection I have acquired over the past year new to TFF just wanted to say hello to everyone. Many of other fossils packed away as I build more cases
  3. Fossils from Kentucky

    I have recently found some very well preserved fossils that I collected in KY. I was really hoping to get some ids on these finds. I dug the plant fossil out of the side of a mountain where there was a falling fossilized tree these were on the bottom layer between the tree and the shale then the coal bed the egg shaped photos were found in the same area
  4. This rock weighing in at a hefty 2.5 kilo (shale ?) is completely surrounded by plant fossils that actually wrap around the rock itself. I.E. As to indicate that a pre-formed rock fell into the water and crushed the surrounding plants and caused them to fold around the surface while embeddeding itself in the environment that encourage fossil formation. I really don't have a clue as to its makeup or origin (Above speculative). It should should be noted that it was found on the ground surface after the flood where an adjacent embankment wall suffered severe weathering due to the flood of 2019. Latitude: 45.5492085725 Longitude: -74.3639289159
  5. Was this rock underwater ?

    In our cottage in an island there are these big rocks that were dug up from the ground when we first built our house but there is one rock in particular that looks like it may have been underwater at some point and I sure am interested in the possibility of maybe finding some fossils, what's your opinion ?does it look like it may have been underwater? And could this area have fossils? Thanks
  6. PA fossil sites

    Hello everyone! Thanks for taking a minute to read this. Heading over to Maryland this weekend for some fossil hunting. I was hoping to get some guidance on some spots in PA. Which we are planning on heading to on Tuesday (June 18th). Would like to know if there are any areas where we could find some plant fossils. I know from doing some research the areas may be limited. It's our first time collecting plant fossils so any tips would be appreciated as well! Thank you!
  7. Firs, cedars, metasequoia and others traced over time. High elevations helped develop temporate forests when the rest of the area was as warm as Florida. https://www.google.com/amp/s/phys.org/news/2019-02-fossil-emergence-pacific-northwest-temperate.amp
  8. Mess of Things I need Identifyed

    Ok, I went looking for fossils in Renton, Washington state. I also went to Tukwila Washington (supposedly there are plant fossils here.) I found some things and maybe anyone could confirm if they are indeed fossils or something else. I'm not aiming for species of genus, the quality of these are not to that level, BUT if you have an idea, let me know. Thanks all. (I'm going to do kind of a dump here with all my findings.) Fig. A: Found in Green River Tukwila Washington. Not sure just picked the piece up about 1 1/2 inches long. Fig. B: Found in sedimentary rock in Renton Cedar river park. (people have found fossils here before) The picture of the boulder shows where the rock / fossil was lodged into it. Fig. C: I have no idea, it jumped out at me at Cedar River on the river bank next to a natural cut in the sediment. Fig. D: I believe this is old Carbonized wood or something like that but I'm so amateur I probably don't know what I'm talking about. It was found in the sediment (in the picture you can see it sticking out of rock). The Geologic map says Renton is in the Eocene time period but I know wood takes 300 million years to carbonize (So I read) Anyways if you could tell me how this got so deep in the sediments and maybe its age that would be great. (the sediment was on the side of a cliff so it wasn't someone's campfire unless they broke gravity.) Fig. E: Again, not sure. It feels like carbon but maybe with bark or something on it. --------------------------------------------------------------------------------------- The last few images I couldn't take home because they were too huge ------------------------------------------------------------------------------------- Fern maybe: I found this in Renton WA by Green river. Carbonized Log Maybe: I found this streak of charcoal looking substance imbedded in a rock and I cant get it out but it is indeed deep in the rock. You can see on the side that it goes all the way through. Tukwila Maybe Plant: Probably the only fossil I found so far. I have my best bet on this one. No idea what it truly is. Dash Point Leaf?: At Dash point Tacoma Washington I found this chunk of clay with a deciduous looking leaf shape but I did not take it home with me. A lot of this clay had black splotches on it and it was probably only a coincidence. If you made it this far holy cow I'm sorry for just dumping but anything helps. THANK YOU!
  9. L.S., To liberate storage space, I would like to offer the following plant fossils for trade. All specimens below come from the Late Carboniferous of the Piesberg quarry near Osnabrück (Germany). Scale on photographs in centimetres (1 inch = 2.54 cm). Specimens B, C, F and G show neuropterid fronds of various sizes (most likely Laveineopteris rarinervis). Note specimens B and G were recovered broken and have been glued/repaired. Specimen E is a large plate and shows reproductive structures of Calamites (E-1), a Laveineopteris frond (E-2), a strap-like Cordaites leaf, and some Annularia-like leaf whorls. If interested, I could also offer the counterpart of E. If preferable, I can cut specimen F to size (currently large slab of rock for the actual imprint). In general, please note that these specimens are rather large and heavy (I will cover the shipping costs, but you will need space to display these pieces). In return, I would be mainly interested in plant fossils from the Devonian to Cretaceous (but feel free to offer younger material also). Kind regards, Tim Specimen B: Specimen C: Specimen E: Specimen F: Specimen G:
  10. Cordaites

    From the album Carboniferous Plant Fossils in My Collection

    Cordaites were very large leaves that resembled corn leaves, with parallel grooves running the length of the leaf.

    © Copyright (c) 2019 by Michael Tomczyk. All rights reserved.

  11. Pecopteris

    From the album Carboniferous Plant Fossils in My Collection

    © Copyright (c) 2019 by Michael Tomczyk. All rights reserved.

  12. Alethopteris

    From the album Carboniferous Plant Fossils in My Collection

    © Copyright (c) 2019 by Michael Tomczyk. All rights reserved.

  13. I have been trying to find a reasonable solution for preserving St. Clair fossils, which are mineralized in white, yellow and orange colors. Cleaning with water dissolves the colors. Coating with most types of glue will also remove the color, turning white fossils to black! I experimented this week with decoupage, which seems to preserve the white mineralized fossils without changing them, and gives the specimen a glossy sheen. I am interested in this because the colors of St. Clair fossils are fairly robust, but can flake off over time, and may suffer from oxidation. My reason for posting is to ask if anyone has good reasons to NOT use decoupage to preserve and seal St. Clair fossil specimens? Here is a photo one the first one I tried, which is a small fragment - note the glossy sheen, and also how the color and detail was preserved. Decoupage looks milky when applied but dries clear. I want to verify that this is a good approach before trying this on larger speciments, some of which are 1 to 2 feet in size.
  14. St. Clair Fossil List

    I'm compiling a list of plant fossils found at St. Clair. Does anyone have a starting point, or better yet a list of St. Clair fossil types? Thanks.
  15. St. Clair Fossils

    Hi fossil friends - I've been away from the board for a couple of years, settling into retirement, now getting back to some fossil fun. I'm sorting through my St. Clair inventory which is now pretty large since that was where my wife and I did most of our collecting when the site was still open. So now I have quite a few plant fossils and am organizing and prepping them - not sure what I'll do with them. These two items are the last fossils we collected from St. Clair before they closed the site - the large one is 25 inches long and was cut by someone (probably the idiots who ruined the site access). Most pieces are smaller and individual specimens. I'm organizing, labeling and putting in Riker mounts now. Interested in any suggestions how to proceed? I also have a collection of unique mangal shoots we collected at a secret site in central New York which are unique and probably somewhat rare.
  16. L.S., Thought it would be fun to share this "chance encounter" I had at a mineral show. The photograph below shows a slab of petrified wood from the Triassic of the Isalo II Fm. of Madagascar. When material from this locality is offered for sale (which happens often and in large quantities), it is usually labelled as "Araucarioxylon" or simply as "petrified wood" (where the latter may actually be better). While most of the wood indeed has an "Araucaria-like" anatomy (see Rössler et al. 2014 for a recent discussion on the nomenclature), I recently was lucky enough to "find" something else. While the left-most photograph may not directly show it, the anatomy of this particular slab is quite different from the common Araucaria-like specimens. I tried to clarify the anatomy by contouring the main structures seen, which hopefully makes visible how this wood consists of multiple rings of perimedular bundles and wedge-shaped structures, showing both centripetal and centrifugal xylem (inward and outward growing regions, per as provisionally indicated by the blue and red arrows). This curious growth form (by modern wood standards, at least) is characteristic for the stems of some groups of Mesozoic seed ferns, such as those from the Umkomasiales order. The best-known genus with this type of anatomy is probably Rhexoxylon (see Archangelsky and Brett 1961), but there are more similar genera, making it difficult to arrive at a more specific identification.
  17. This afternoon I was able to shoot down to North Attleborough to spend a few hours digging through carboniferous aged rock outcrops. It was a nice change of pace from my usual spots down in Rhode Island! The plant fossils here also preserve much better. My favorite find of the day was a plate covered in various Neuropterids. I'll have to explore southern MA more.
  18. From the now ghost town infamous for underground coal fires. Id's welcome. Gordon Id's welcome.
  19. WV Localities

    If anyone has any material/links on West Virginian fossils and/or localities feel free to add to this page- I am going to continue to gather up resources on the state and post on here. LINK: <> https://en.wikivoyage.org/wiki/User:Abyssal/Paleontology_in_West_Virginia - Very brief explanations for localities in Eastern WV <> http://donaldkenney.x10.mx/STATES/WV.HTM - Largest collection of localities for WV I've seen to date, however, some that are listed are just locations that have only been known to contain one fossil. (^ Links I've found so far ^) -------------------------------------------------------------------------------------- (V Links posted by other members V) Looking on the western end of West Virginia, but everything is useful. (Links will be credited.) Thanks.
  20. Just one of the fronds, I think you call it? I believe it is Danaeites?
  21. Dear all, On the website of the Université de Lille 1, you can obtain digital copies of dissertations free of charge. The database also includes older works, including what I think is a fantastic series on Carboniferous plants, named "Houillères du bassin du Nord et du Pas-de-Calais, I. Flore fossile". Below I've added direct links to the five volumes (dissertations) in the series, each dealing with a major group of "fern-like fronds". While some of the works are a bit dated, the plates are marvellous and the descriptions still rather useful. Perhaps some of you could be interested, hence the notification. http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-44098 1e fascicule, Danzé-Corsin (1953) Marioptéridées http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-60409 2e fascicule, Danzé (1956) Sphénoptéridiennes http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-44880 3e fascicule, Dalinval (1960) Pécoptéridées http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-45254 4e fascicule, Buisine (1961) Aléthoptéridées http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-50172 5e fascicule, Laveine (1967) Neuroptéridées Note that the files are considerably large, and may take some time to load... To all likeliness, the Université de Lille 1 dissertation database contains interesting works dealing with other fossil groups as well. Those who are interested could browse the database here: http://ori.univ-lille1.fr/thematic-search.html?menuKey=these&submenuKey=authors&id=indexed_authors Here are a couple other interesting dissertations I ran into: http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-120383 Bertrand (1909) Études sur la fronde des Zygoptéridées http://ori.univ-lille1.fr/notice/view/univ-lille1-ori-38614 Lemoigne (1961) Études analytiques et comparées des structures internes des sigillaires Happy reading/browsing! Cheers, Tim
  22. Oligocarpia?

    Hi all, The specimen below comes from the Asturian (Westphalian D) of the Piesberg quarry near Osnabrück, Germany. It has been in my collection for some years already, but I never managed to ID it further than "something with Sphenopteris-like pinnules". Recently, I bought some new literature and now I think I have some sort of ID, but am definitely stuck on the species level (and hence also not quite sure yet about the generic level.) The specimen from the Piesberg shows a strong resemblance to Oligocarpia gutbierii Göppert 1841 as figured by Kidston (1923), Plate LXX figs. 1-3. Both the presence and the specific appearance of the aphlebia on my specimen (encircled in light blue) also correspond well with Kidston's description text, as well as the aforementioned figures. By contrast, the Oligocarpia gutbierii specimens figured by Kidston (1923) on Plate LXXV, figs 1-2 do not look like my specimen at all (this may be related to them coming from another position in the larger frond - not clear to me.) The specimens figured by Kidston (1923) under Oligocarpia brongniartii Stur 1883 (Plate LXIX, figs 2-3) show less resemblance to the Piesberg specimen. However, in literature dealing with the Piesberg locality, only this species is mentioned to occur (e.g. Josten, 1991). Comparing my specimen to Oligocarpia gutbierii and Oligocarpia brongniartii as figured by Brousmiche (1983), i.e. Plates 57-61 and Plates 62-64, respectively, neither seems to be a very good match. Unfortunately, my French is not good enough to recognise the subtle differences that may be described in the accompanying text volume. Moreover, my specimen is a sterile frond, rendering the most clearly defined differences between Oligocarpia gutbierii and Oligocarpia brongiartii unusable. The venation is difficult to photograph and see, due to gümbelite mineralisation (orange colour), but visible when the specimen is held at an angle to a light source. Under these constraints, what would be the best way to discriminate between these two (and perhaps other) species? Or am I dealing with something else completely? Thanks, Tim
  23. Dear all, The IRIS Bibliothèque Numérique en Historie des Sciences (Université Lille 1) has made available high quality PDFs of René Zeiller's 1886-1888 monograph Bassin houiller de Valenciennes: description de la flore fossile. It is a wonderful piece of work, even for those who can't read French (simply superb atlas). Link to text volume Link to platen atlas volume Many more great books can be found at this wonderful website; it may be worth your while exploring it further. Kind regards, Tim
  24. Devonian plant from Madison Co., NY.

    From the album Middle Devonian

    Plant stem (possibly Psilophyton) Middle Devonian Windom Shale Moscow Formation Hamilton Group Deep Springs Road quarry Lebanon, NY. collected 6/22/15 Terrestrial plant remains (usually poorly preserved) are fairly common at this and other Middle Devonian marine sites in Madison County, NY. The low lying Catskill Delta was located just to the east which included the famed Gilboa forest. It isn't hard to imagine these plant remains being carried out to sea and deposited along with the remains of marine creatures.
  25. Wood Cell Structure

    Hello Forum, This week I've been having fun trying to get better at making photographs through the microscope. I currently use a compact camera (Panasonic DMC-TZ25) on a tripod. The following previous threads were quite helpful and I am looking for more tips, tricks and techniques. For example, does anyone here have good ideas on how to photograph specimens with very little contrast/color through the microscope? Thanks, Tim All: Araucarioxylon* wood from the Triassic of the Chinle Fm., Arizona, United States. Cross-sections showing typical honeycomb-shaped tracheids. Left: Osmundacaulis leaf trace from the Jurassic of Tasmania, Australia. Just perfect as a copyright-symbol. Middle: Quercus wood from the Miocene of northeastern Hungary, showing the diagnostic wide rays and ring-porosity. Right: Quercus? (live oak?) wood from the Miocene of central California, showing the onset of a medullary ray. * Well, perhaps Araucarioxylon is not the best name to use any more, given this paper. But then, you know what I mean...
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