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Found 25 results

  1. Harry Pristis

    Florida palm "wood"


    The common practice for petrified wood is to use "form genera" names for specimens, thus all petrified palm fiber is described as Palmoxylon sp and the roots as Rhizopalmoxylon sp. The reason for this convention is that the wood rarely gets as much attention as the foliage when plants are described and these components are rarely, if ever, found attached. In the Early Pleistocene, about two million years ago, this bit of trunk was driftwood in the paleo Santa Fe River. The waterlogged wood sank to the bottom in a basin in the river channel. They became buried in a highly organic mud durin

    © &copyHarry Pristis 2008

  2. Rckhound

    Central Missouri Palm Wood?

    I was recently given the opportunity to hunt at a place in Central Missouri where the owner said they have been finding Petrified Wood for generations. Once I came across it and begin to study it further, I became curious. I have been told by several geologists and a few seasoned rock hounds, that it is petrified Palm, but I have also been told it was absolutely not and was coral. Would love some advice and explanation if possible. I love to learn and want to be better educated on this material. I have attached some rough and some from the same location that has been tumbled. Thank you a
  3. My sister asked that I try and identify the stone of her necklace. I can venture only a guess. It seems similar to petrified wood - palm. I'm not sure about the blue-green color though. Does anyone have an idea as to its identity, either as fossil material or a type of mineral? Thanks for any assessment.
  4. Day 5 in South Dakota was a total bust for my son and me. The section of the quarry we worked has large ironstone and clay boulders, but also has large bones. We sat next to a jacketed femur and worked back the wall face. We didnt find more than a few small bits at the end of the day, but I said that something big was there. Big rocks = big bones. Sure enough, Walter sat down in our spot 3 days later and immediately uncovered a ceratopsian dentary! By this point were were already on to our next destination in Kemmerer, Wyoming. 3 days of splitting shale for fish, hoping for th
  5. Crazyhen

    Plant fossil, coconut or palm?

    This is said to be a coconut tree fossil. It’s from Liaoning, China. I don’t think Liaoning has coconut tree, rather does it look like a palm tree?
  6. Robski

    Cretaceous Palm Frond?

    Found this in a river canyon in Northeastern B.C. that cuts through Cretaceaous sediments. It is out of a large broken ironstone nodule (120lbs) polished by the river gravels. Actually, the river gravels are dominated by ironstone weathering out of the soft sediments. Appears to be folded in on itself but the other side is hidden by the ironstone matrix. It looks to be a Palm frond of some type but I am not sure. What puzzles me is that it looks like a single crenulated leaf. There are a fair number of fossil plant bits around at this location and I did find another piece of one
  7. Gotti1978

    Identification please

    Please help identify what I have here?
  8. ThisOldFossil

    Fish Heads in North Georgia?

    Hello all! This is my first post in the forum besides the introduction. I’m open to any and all interpretations on this piece. Did I just find a fish head in my backyard? There are tons of fossils (marine and palm) pouring out of the hills on my property. I’m so close to Chattanooga (10 minutes away), I imagine we would share similar geology but I’m unsure and try not to make assumptions. Yay for the scientific method! Found on the surface at the base of a shallow ravine among lots of fossil palm wood, shale outcroppings, and some volcanic(?) glass. Northern Walker co, Georgia, US
  9. ThisOldFossil

    Heavy Mystery...

    What’s heavy, smooth and rounded on one side and with wavy channels on the other? I have no idea either, but I dug it out of the hill behind my house. Found among fossil palm wood, fishy bits, and shale. Partially exposed in dirt on the side of a hill. I found another smaller, broken piece with the same cross section profile and the two dissimilar surfaces on either side. North Georgia, Walker county, USA. 10 minutes south of Chattanooga. Nice view of Lookout Mountain too for all you Civil War buffs.
  10. DPS Ammonite

    Arizona Miocene Meanders

    Miocene lakebed deposits north of Phoenix have revealed more than palm and unknown reed like plants. I found stromatolites preserved in black, gray and white chalcedony. Although not as common as in the Precambrian, stromatolites still occur in oceans and in lakes. See article about the ones in Utah’s Great Salt Lake: https://geology.utah.gov/map-pub/survey-notes/glad-you-asked/is-there-coral-in-the-great-salt-lake/ My favorite one is this 10 cm high detail of a much larger stromatolite. #1 This 38 cm one came home with me. #2 Here is a det
  11. For your review, here is a specimen of Palmoxylon, sp. (a fossilized extinct palm tree) found in March 2020 in the San Juan Basin of San Juan County, NM. The area is within the Kirtland Formation, Upper Cretaceous Period. This specimen has been cut to show several views of a transition zone in the root ball where adventitious roots or Rhizopalmoxylon, sp. emerge. The first photograph has been diagrammed to show several features in the transition zone. I have also submitted photos of this specimen in the March 2020 "Find of the Month" contest, and a more complete description o
  12. Jerry W.

    Question on compression

    Here is a slice of petrified palmwood I found last weekend. I noted upon a close examination that the vascular bundles (the dots seen all over the surface) appear to have been distorted from a round shape to more of a half-moon shape, with the distorted side facing roughly 4 o'clock in most instances. I asked a friend of mine about this since his speciality is petrified wood, and was told such a thing was relatively common due to compression of the wood prior to fossilization. Does that sound right? Any paleo-botanists out there that can confirm what I've been told?
  13. This past weekend I was able to enjoy a rare February day of sunshine and temperatures above 50-degrees F (10-degrees C) in a vast expanse of public land owned by the U.S. government and in care of the Bureau of Land Management located in northwestern New Mexico. The area where I ventured is Upper Cretaceous though I am not sure of any period beyond that general age. Of the fossil related items I ran across, the first two photos show some petrified wood from a ground level stump. I noted some unfamiliar calcite patterns that were vaguely diamond shaped. The second photo shows an
  14. jimm

    possible petrified palm nut

    I found this at the Siskiyou Pass near the border of Oregon and California. It was in 2 pieces when I found it - that fit together. In this same area I found lots of petrified wood including petrified palm wood and other petrified wood both large and small. Could this be a petrified palm nut? The length of the 2 pieces together is over 15 centimeters and the diameter where it broke is over 6 centimeters.
  15. Okay, I finally unpacked some boxes a couple of weeks with the intent of finally getting this officially named. I believe it is Palmoxylon Mohavensis and I believe from the Miocene. Found in the Mojave Desert in California, north and east of Red Rock Canyon and north and west of Last Chance Canyon about 40 years ago. Size of overall specimen is approximately 4" x 5" x 6" In addition to not knowing the true identity, I think this is also down by the roots? Starting with the end that has been cut and somewhat polished. Graining is confused leading me to think
  16. I recently went rock collecting in the Calico Mountains just off the 15, 10 miles E of Barstow. In the book I have, it mentions petrified wood, specifically date palm or date palm root. Is this it? The pics were taken after I scrubbed these in water with a toothbrush.
  17. Ptychodus04

    Palm Prep

    The last piece from the big @abctriplets prep job is their palm inflorescence. Man, this thing is cool. It is split into 2 plates that will be mounted together in a wall mount of some kind. Still gotta figure that one out. But, first things first... the prep. The inflorescence itself isn't much more than a stain on the matrix. So, I have to carefully uncover what I can without removing the stain! Holy snarge!!! There's a partial Knightia on top and a scrap of fin below (by the famous @aerogrower photocube). 3 hours later and there's an almost whole f
  18. As I had posted in my trip summary (http://www.thefossilforum.com/index.php?/topic/76375-summer-road-trip-part-2-kemmerer-fish-dig-updated/) one of my 9-year-olds discovered a palm inflorescence at a fish dig in Wyoming a few weeks ago. We are completely new to this hobby/obsession. Would this be something that would be worthwhile to have prepped? What might a final product look like? And how would you go about displaying it? (and I can recognize that this would be well beyond our novice skill set, we'd be outsourcing this to someone more skilled)
  19. PetrifiedDoubleGulp

    Palmoxylon Citrine?

    I found this a while back, and I wanted to get your opinions. it has rings at either end, and the texture of the palm parts that remain have a lengthwise tubular structure. You can also see what look like grid-like 'cells' under the 10x loupe. It looks like it broke open at some point, revealing a really astounding bunch of glittering citrine crystals
  20. eeyipes

    Petrified Palm Wood?

    Found in Parker, Colorado. From what I understand, most pet wood around here is conifer, 55 million years old, Dawson Formation. Palm can be found in the area but is less likely. This piece is not the prettiest chunk of petrified wood I've found but it caught my eye because of the spotted look. It's the only piece I've ever found with these spots. Did I find a piece of palm wood, or is there something else that would cause a spotted look? (Entire piece is about 5 inches long, I only photo'd the nicer bits that show wood detail. The other half is junky looking.) Thanks!
  21. Daniel Frew


    Came across what I think are palm leaves today along Hurricane Creek in Pope County Arkansas
  22. Bronto

    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

  23. Bronto


    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

  24. What's the best way to preserve fragile shale fossils? Specifically, I have palm fronds from Washington and Green River fish fossils from Wyoming.
  25. fossiljim

    Unknown Fossil Plant/tree

    More than 40 years ago I met a California desert rat who was nearing the end of his life. He took me to his storage shed and showed me an amazing collection of fossils and minerals he had found over the years. He offered me fantastic fossils at incredible prices, but I was a poor student living on macaroni and cheese. The one thing I bought was a doorstop that he said was some sort of petrified palm. It doesn't look anything like the petrified palm we find here in Texas, but I wondered if anyone had an idea of what this is:
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