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Found 25 results

  1. Oddly shaped bone in pebble from Cap Gris Nez

    Hi all, Found this pebble on the beach close to Audresselles (Cap Gris Nez area, Boulonnais) amidst the heavy rain and wind yesterday. Initially, I thought it was just a piece of odd-looking fossilised plant-material, with a faint thought in the back of my mind that may be it could be a fish skull. When I checked it this morning, I was able to confirm the piece is smooth on the outside, and seems to have what appears to be bone fibres on the inside. In other words, I'm convinced now that it actually is bone, though still have no idea what kind...
  2. Petrified Wood from Triassic in Pennsylvania

    Here are 3 medium size specimens of petrified wood that I found in the Newark Basin Triassic sedimentary deposits in southeastern Pennsylvania. They show a variety of color. Quarter coin is for scale. This material is rather scarce.
  3. I found 4 nice good-size specimens of petrified wood, from the Newark Basin Triassic sedimentary deposits, in southeastern Pennsylvania. Photo shows that all pieces are a light chocolate brown color. There is a quarter coin for scale. These are from the same location where I previously found two large specimens, which I posted a few years ago. This material seems to be rather scarce.
  4. Sherman, TX bone fragments and rocks

    Found a bunch of specimens from Oak Creek in Sherman TX. Is the first and fourth picture fossilized wood ? The second picture is very light and porous.
  5. Hi all, hope everyone is safe and healthy in these troubled times. What a great time to go over your collections and plan for the next trip. Found some info regarding fossils (Geo report) and petrified wood found near Stemwinder Park, Pickard Creek area between Princeton (fossil mecca) and Hedley B.C. Anyone know of the site? Example from someones find, undisclosed spot. We were going thru that area for work, now cancelled, so can't really justify the exploratory trip, but love to dream. . Just noticed the auctions! Must check here more often!! If you must foray out on rock trips, keep your adventures moderate! (I am a search and rescue first responder). Roweness
  6. Fossil Wood Petrification and mineralogy

    Mustoe, G.E., 2015. Late Tertiary petrified wood from Nevada, USA: Evidence of multiple silicification pathways. Geosciences, 5(4), pp.286-309. https://www.mdpi.com/2076-3263/5/4/286 https://www.researchgate.net/publication/282851612_Late_Tertiary_Petrified_Wood_from_Nevada_USA_Evidence_of_Multiple_Silicification_Pathways https://sciprofiles.com/profile/112497 https://www.researchgate.net/profile/George_Mustoe Mustoe, G. and Acosta, M., 2016. Origin of petrified wood color. Geosciences, 6(2), no.25. https://www.mdpi.com/2076-3263/6/2/25 https://www.researchgate.net/publication/302497324_Origin_of_Petrified_Wood_Color Mustoe, G.E., 2017. Wood petrifaction: A new view of permineralization and replacement. Geosciences, 7(4), no.119. https://www.mdpi.com/2076-3263/7/4/119/htm https://pdfs.semanticscholar.org/4ff7/8f7c6899c4459c4f33e4d51c040f6374685d.pdf https://www.researchgate.net/publication/321170639_Wood_Petrifaction_A_New_View_of_Permineralization_and_Replacement Mustoe, G.E., 2018. Mineralogy of non-silicified fossil wood. Geosciences, 8(3), no.85. https://www.mdpi.com/2076-3263/8/3/85/htm https://www.researchgate.net/publication/323540027_Mineralogy_of_Non-Silicified_Fossil_Wood Mustoe, George E. "Non-mineralized fossil wood." Geosciences (8) no.223. https://www.mdpi.com/2076-3263/8/6/223 https://www.researchgate.net/publication/325827782_Non-mineralized_Fossil_Wood Luczaj, J.A., Leavitt, S.W., Csank, A.Z., Panyushkina, I.P. and Wright, W.E., 2018. Comment on “Non-Mineralized Fossil Wood” by George E. Mustoe (Geosciences, 2018). Geosciences, 8(12), no.462. https://www.mdpi.com/2076-3263/8/12/462/htm Mustoe, G.E., Viney, M. and Mills, J., 2019. Mineralogy of Eocene fossil wood from the “Blue Forest” locality, southwestern Wyoming, United States. Geosciences, 9(1), no.35. https://www.mdpi.com/2076-3263/9/1/35 https://www.researchgate.net/publication/330292211_Mineralogy_of_Eocene_Fossil_Wood_from_the_Blue_Forest_Locality_Southwestern_Wyoming_United_States Mustoe, G.E., 2015. Geologic History of Eocene Stonerose Fossil Beds, Republic, Washington, USA. Geosciences, 5(3), pp.243-263. https://www.mdpi.com/2076-3263/5/3/243 https://www.researchgate.net/publication/279786883_Geologic_History_of_Eocene_Stonerose_Fossil_Beds_Republic_Washington_USA Yours, Paul H.
  7. Uranium Mineralization of Fossil Wood

    Mustoe, G.E., 2020. Uranium Mineralization of Fossil Wood. Geosciences (Switzerland) 10(4):1-25 https://www.researchgate.net/publication/340609903_Uranium_Mineralization_of_Fossil_Wood https://www.mdpi.com/2076-3263/10/4/133 Yours, Paul H.
  8. Is this rock or petrified wood?

    This looks like petrified wood to me but I've had no success looking online to see how to determine if my hunch is real or not. I'd appreciate any help or suggestions about whether or not this is petrified wood. (Item is wet in the pictures) Thanks!
  9. I just inherited a large pink petrified piece of wood anybody know where it might be from sorry I have no info.
  10. Found this antiquing. Was only marked "petrified rock"..It is black & charcoal gray in color with a vertical ribbed texture and some rounded ends. Measures 6.5" tall x 5.5" x 4" and weighs 8lbs 1.1 oz. Is it petrified wood ? Petrified cactus? Or something else? It's only letting me upload 1 photo. Took pics with phone and guess their too big. Will try to post more.
  11. Petrified burnt stick

    I found this 6 inch stick in a wash in central Nevada. I was in a area outside of Gabbs where petrified wood is found. The stick is only 3/4 of an inch wide and 1/4 inch thick. One tip looks burnt by fire and leads me to wonder if this could have been a cave man's fire stick. Has anyone seen petrified wood like this?
  12. fossil limestone wood

    Nice day to all here ! Could anyone tell a tree? Location Czech Republic, limestone board. Because it has fallen in the limestone, the crust is quite cruel. It would probably break apart. Can you advise me to have a tip for conservation?
  13. Non Silica Fossil Wood

    Here is a very recent paper about wood replaced/fossilized with non silica minerals such as zeolites, pyrite, dolomite, fluorite, copper pyrites, apatite and more. The numerous color photographs make this paper a winner. @Fruitbat A good one to add to your great collection. http://www.mdpi.com/2076-3263/8/3/85/pdf
  14. Snakewood

    Hi all, here is a piece of snakewood (Menningoxylon) I found in a river, from the Whitsett Formation-Oligocene exposed, aprox. 34-35 million years old. It is completely opalized. Order: Caryophyllales Genus: Mennegoxylon (unranked): Angiosperms Kingdom: Plantae For your viewing pleasure.
  15. Fossil wood and crinoid?

    Hi guys! Yesterday I visited Koneprusy (Devon) in the Czech Republic and found some fossils. It was first time finding fossils But I´m not sure about these two.. I think the first one is crinoid (photo #1). Second one looks like a fossil wood (photos #2-4) to me, but I´ve never found one so it might be just some kind of mineral. I don´t know. Thanks for your help P.S.: Ruller is in centimeters.
  16. Some Arizona Wood

    Here are some quick pics of what I've got so far. https://flic.kr/s/aHsmhX87Vr Dug a 5 gallon bucket worth and have three large pieces. The two in the trunk are a matched pair, full rounds. The large chunk with quartz vug is cool. I gave it a 2 hour treatment today in iron out and then a water soak. Quartz looks clean. There is a bit of groutite. Am going back out for a dig in the morning and I'm taking 3 more buckets. Cant wait to see what we end up with. Russ
  17. Hey all, So I have a decent collection of mineral specimens from Oklahoma. Now, I'm getting into fossilized wood. I had the opportunity to dig at a ranch near the Petrified Forest National Park a couple weeks ago and made out with a very nice haul. I have some questions... 1. What is the best method for cleaning the wood? 2. One of my small stumps has a very sizable open cavity of quartz. What is the best way to clean this specimen? Oxalic acid? It should turn out very stunning. 3. Any tips for a newbie on collecting fossil wood? I am about 1/4 of the way through Frank Daniels' new book on fossil wood, and it is amazing! Russ
  18. An unusual fossil locality in a kaolinitic (clay-rich) marine-originated horizon of the primarily estuarine to fluviatile (river and stream-deposited) Lower-Middle Eocene Ione Formation, Amador County, California, (western slopes of the Sierra Nevada) yields concretions that, remarkably, contain at their cores chunks of extremely well preserved charcoal--all derived from similar species of "cooked" conifer woods--that sophisticated scientific analyses suggest burned during a single forest fire event some 52 million years ago. And so the Ione Early Eocene scene takes a most-fascinating turn. From a once-speculated tropical to semi-tropical paleo-environment of year-round high humidity and incessant precipitation, we now get a more focused picture of regular intermittent hot and dry seasons interrupted by probable monsoonal meteorological activity--perhaps an Ione Eocene environment not unlike that of present-day India. The Ione Formation of Amador County is, of course, already famously recognized for its well preserved Middle Eocene fossil leaves--including, locally, rather common specimens of the climbing fern Lygodium kaulfussi (also known from the early to middle Eocene Green River Formation and Bridger Formation of eastern Utah, Wyoming, and Colorado). See the technical report over at https://www.researchgate.net/publication/267624201_Characterization_and_genesis_interpretation_of_charcoal-bearing_concretions_from_the_early_Eocene_Ione_Formation_CA . Includes a free pdf download of the December, 2013, presentation poster that explains the science behind the investigation.
  19. George Houston Dukes Jr, 1961, Some Tertiary Fossil Woods of Louisiana and Mississippi. unpublished PhD dissertation. Louisiana State University and Agricultural & Mechanical College http://digitalcommons.lsu.edu/gradschool_disstheses/668/ http://digitalcommons.lsu.edu/cgi/viewcontent.cgi?article=1667&context=gradschool_disstheses http://digitalcommons.lsu.edu/gradschool_disstheses/ Yours, Paul H.
  20. Fossil wood and a shell?

    I am pretty sure the one is fossil wood but what is the smaller one? I found them at the beach at lake sakakawea by garrison, North Dakota.
  21. Fossil Wood ID

    I am trying to find help identifying the #1. I think that #2 is oak, #3 is sequoia and #4 is tree fern Any help would be greatly appreciated!
  22. Looking for identification

    Acquired this fossil a couple years ago and beings the collector is deceased I have no background on what it is or where it came from. It has a nice arching sweep to it and is rather thin. It has been broken recently, before I acquired it, and shows signs of carbonization inside as well as outside.what do you think it belongs to?
  23. Closeup Of A Rip cut.

    From the album The James Universe

    Found on an Austin Gem & Mineral field trip to the Bordovsky farm. Karnes county......Sat on my back porch for 8 years. Realized a nice man was collecting Mennegoxylon jonesii specimens and sold it to Rod Miller. Who sent me these spectacular images of the innards. I could not bring myself to cut it. But- when you need gas money for cutting rough collection & backpacking?

    © ©Rod Miller

  24. Outer rind on Palmoxylon

    From the album The James Universe

    Polygonal cracking is rare but not unheard of from peat bogs of Great Britain, fossil woods from south & west Texas, Tom Miner basin, etc.. The colloquial name is "Shrinkwood".

    © ©James Lopez

  25. Palmoxylon

    From the album The James Universe

    Rip cut of a fossil palmwood. Made a spectacular carving out of the gone side. This side is better.

    © ©James Lopez

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