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  1. Nat006

    Bones fossil ID

    Hello all, I posted a tooth yesterday that you kindly identified for me, and I have a few more fossils that I found that I would really appreciate an identification on. All found on Zandmotor beach, The Netherlands. There are four specimens: 1 A bone with a hole in the middle, seems like a vertebrae(??). Any idea what fragment it really is and maybe what kind of animal it came from? Length: 2.5 cm 2 A bone that I would also like any information about, although it might be really hard to identify. - 4 cm 3 Small, flatter bone. - 4.5 cm 4 Are these petrified wood by any chance? They do feel like a rock and also sound like such when I gently hit them with another rock. There are 3 pieces in total that I have shared. - around 6 cm.
  2. Good afternoon everyone, I’m reaching out today in hopes of getting some information on two specimens. I have no location based information , unfortunately. The first reminds me of petrified wood and stromatolite, it’s a huge faced specimen. The color is darkish red, almost a limonite yellow and some mixes of other feint colors. It looks partially agatized as well. It’s a super cool piece. The second specimen is aquatic based I’m sure, it looked sort of like coral at first glance. After further inspection I’m unsure, so I figured I’d reach out. The specimen is large, 9x5x4 and weighs in over 5 pounds. It looks as if some of it might be a conglomerate, I’m unsure. It looks partially calcified and agatized as well. I appreciate your time and consideration in advance as always. Enjoy the day, Regards, Mike
  3. fossils4fun

    White but not limestone?

    Went out metal detecting yesterday and found this in northwest Arkansas. It's exactly 2 1/2" long. It looked like a black rock so I thought it was an unusual shape so I brought it home washed it and it was white. The shape is unusual and the rings on the end are like wood. There's a tiny hole the black is dirt in the hole. It sparkles in the sun a tiny bit but it's not crystal and it doesn't look like the limestone I usually find. Help me out please, thanks.
  4. Not knowing petrified Wood species well, I searched the web and specifically TFF and came upon Marco Sr.'s fabulous thread and collection of pet.wood. I only have a few pieces and all are close enough in appearance to be the same species, if I'm guessing correctly. And that would be Pullisilvaxylon arizonicum. Anyone have a confirmation or another correct species? Thanks, Steve I cut 3 or 4 slabs off and gave the large piece to my son. He moved into a house his uncle bought for the college kiddos to be closer the University and left it behind so I snagged it for the pics and ID.
  5. Specimen A: BACKSIDE OF SPECIMEN A CROSS SECTION OF SPECIMEN A SPECIMEN B: BACKSIDE OF SPECIMEN B:
  6. My family and I went on a trip to Yellowstone, the Green River Formation and the Blue Forest in Wyoming. Although my son found by far the best Blue Forest specimen, I thought smaller specimens were also of interest. The attached image illustrates a common theme of the petrified wood specimens. Typically, the outer bark results in a fluffy white deposit of calcium carbonate. The inner bark is often composed of what the locals refer to as "blue opal" (likely chalcedony), and then the center part appears to be silicified wood. Some specimens had iron oxides as well. I highly recommend a trip to the Blue Forest. It is very out of the way and directions are hard to find. The directions we found at one point stated that we should turn left at the gravel road with a rusty barrel at the intersection. We traveled down the gravel road for many miles until we spotted dig sites. It is very remote and you would want to make sure you vehicle is in good condition with plenty of gas and that you have plenty of water.
  7. Tom D

    West Viginia petrified wood

    I was visiting a friend in West Virginia who is preparing his property for building his home. It's just south of Charleston. I noticed what I think is a layer of petrified wood. Not sure though. Any information would help. There were also petrified nuts.
  8. Shaun-DFW Fossils

    Tarrant formation petrified branch

    I found this interesting piece of pet wood some time ago in the Tarrant formation, it had eroded into a creek. Notice the ship worm holes. I was surprised it had a small part of the secondary branch still connected. Tarrant county, TX
  9. New here, love fossils. My collection in attached images. Coral and others I can not identify. Beautiful pieces.
  10. L.S., Wanted to share this "mini ecosystem" in fossilized form. The photos below show a rhizome of Osmunda pluma Miller 1967, a member of the royal fern family, from the Paleogene of the Fort Union Group (probably the Sentinel Butte Fm.) near Glenn Ullin in Morton County, North Dakota. On the first photo you can see a central stele surrounded by "eyes", which are cross-sections through the petioles of the leaves of the fern (see for comparison this section made through an extant Osmunda cinnamomea rhizome). More to the top and bottom of the photo, parallel lines are visible. These are the remnants of a woody texture, probably of some kind of gymnosperm (see also the second image, a flatbed scan of the entire slab containing the fern rhizome). According to Miller (1967, p. 143) the fern was growing on a so-called "nurse log": when a tree in the woods falls over and starts to decay, this can provide an excellent opportunity for new plants to grow! See for example these lovely examples of modern nurse logs. Cheers, Tim Fern rhizome of Osmunda pluma Miller 1967 showing central stele and petioles The fern rhizome is embedded in a woody texture, interpreted as a nurse log.
  11. Breezy2428

    Snake Wood or Palm Wood?

    Hello. Thoughts if this is palm wood or snake wood? Is it agatized or opalized? Found in Karnes County, Texas Thanks for any input!
  12. Nothosaurus

    Petrified wood, Is it?

    I would appreciate any assistance on identifying this fossil . I found it in an antique store. Dimensions 4”x 4” x 1” it looks like it might be petrified wood, but what throws me is the top is all black crystals. Each one sparkles. The other side has a little lumps on it, which looks to be like mini stalactites. Not sure what that is from. There are layers as you can see to this piece. Any help from you dear friends would be greatly appreciated.
  13. Tailes

    Petrified charcoal or stone?

    Hello everyone, I found an odd rock at my beach in Florida. It looks like charcoal. It’s heavy like cement. Sand has formed rock around the bottom. (Coquina?) It also has rust colors around the sandy parts. It probably has been in the ocean a long time. From looking online, it might be Lignite. Just curious how old it might be and what it is. Thanks everyone!
  14. It can be very difficult to tell from pictures, a lot of the time, fossils that are misidentified, completely fake, composites, restored etc. This one is very easy to tell. I'm always looking for petrified wood on-line from a couple of the large auction sites and came across this piece. It made me laugh when I saw it, so I thought I would post it for other TFF members to enjoy. If you can't see immediately the multiple problems with the piece description, based upon the below pictures (there were many more pictures in the post), do not buy fossils on-line. At least the seller posted a good number of decent pictures from all angles, not the couple of blurry, grainy pictures that you normally would see for items like this. EDIT: Do not try a burn test on this piece to determine if it is a fossil or modern, unless you are burning it to heat your house. Item description: Petrified Wood Piece With A Real Marijuana Leaf Fossilized Marco Sr.
  15. Looking for thoughts of what this might be. It was found in Bastrop County, Texas and was found in a formation I can only date to the Eocene. It was surface collected after eroding from a layer of ironstone, the specimen being much denser than ironstone. Although likely not the case, the wavy straw-like structures (that are approximately 1mm in diameter) remind me of the coralloid roots found on a cycad or the vascular structure of a palm. There do appear to be rings or layers visible in the cross section. The scale shown in the photograph is in inches. I appreciate any and all attempts to identify. GB
  16. theArborist

    Arborist from Delaware

    Hello from Bear DE USA
  17. theArborist

    Petrified Wood slab

    I have a 4" x 6" x 0.6" slab, collected in Arizona or New Mexico by my grandfather in the 1960s. It was cut and polished, now a pen holder. I can clearly see the cellular structure. Is it possible to determine the type of plant/tree this was? I can do this for living trees, but I'm lost with trees from millions of years ago. Also, there are some microscopic features that appear to be roots that were growing through the wood before silicification. Any thoughts or comments on these? See bottom left of 4th photo. Finally, are there are resources I can use to answer these questions? Researchers, experts, etc whom I might contact? Thanks for your help.
  18. I mapped out a quick trip to recover some pet wood I identified last week but failed to initially remove due to having too many ammonites (I know, a real problem!), taking me initially by a Fort Worth formation spot. I found a few huge macraster echinoids (currently being cleaned a little) in tarrant county, a few smaller mortoniceras ammonites, and a nice bivalve. Then I swung by the eagle ford shale where it starts after the woodbine and found 2 conlinoceras and some nice pet wood in addition to my target specimens from last week. Also a bone, currently awaiting ID. Tarrant to dallas counties, TX
  19. Julia buck

    Un identified specimen

    I have been stumped by a "rock" I found in my garden over 25 years ago. I have had a continuous need to know what it is purely for my own curiosity. It has "something" inside of it and during the years I've had suggestions of lizard eggs, man made object, etc. Ive obviously spent endless hours looking at it, and I think I've seen some kind of feathers entwined around the small round egg like masses encapsulated within the dark almost black in some light yet like sunrise in another. Its too large to float test fairly heavy makes me doubt amber but given the detail inside hard to think of alternatives.
  20. Superlady

    Identification

    I received this piece of petrified wood and am curious about any history I can find. This was found in the Dallas Texas area in 2023
  21. bockryan

    Petrified Wood

    From the album: Fossil Collection: DC Area and Beyond

    Petrified Wood Unknown Unknown Unknown
  22. Steve DeGoes

    New guy with lots of questions!

    Hello everyone! I'm in the Big River, San Bernardino county along the Colorado River area around the Whipple mountain range the pictures I will be sending is to get input from from you that know and to find out how far off I am on my thinking as to what they are! One thing for sure is there is alot of awesome stuff here! Thank you in advance!
  23. Hi, I have several recent finds, all on one property, here in N. W. CT. These finds are new to the area, and I first want to show photos of petrified wood, I have found here, in several different varieties,including different types of rocks making them up.
  24. bockryan

    Petrified Wood

    From the album: Fossil Collection: DC Area and Beyond

    Petrified Wood Unknown location, AZ Unknown Late Triassic
  25. bockryan

    Petrified Wood

    From the album: Fossil Collection: DC Area and Beyond

    Petrified Wood Unknown location, AZ Unknown Late Triassic
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