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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 outline of these patterns and my rock hammer is there as an 11-inch (28-centimeter) scale. A friend of mine who knows considerably more than I do about fossilized plant life informed me this was once a cypress tree. The next two photographs shows a large surprise sticking out from under a mound of soil. Since this was BLM land, the bone remains in situ since collection is verboten. I have no further information on the bone. As a late addition while I can still edit this post, I can't believe I forgot about the petrified palm wood I found. I got it cut up and have attached a photo of it here. One thing that was pretty cool about the palm wood, and hopefully it is visible if you enlarge the photo, is that the vascular bundles (the dots you see all over the wood) due to compression of the wood prior to fossilization aren't really round but have been distorted and shaped like half-moons. This is commonly seen in other specimens collected in my area of the country and I'm sure elsewhere.
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From the album: Fluorescent Petrified Wood
One of Delaware's many mysteries is the petrified wood found near Odessa and Smyrna. The general consensus is that is cypress wood of some kind and it was buried under Pleistocene sediments. However, the origin of the wood and the age have yet to be figured out. Some say Miocene. Others say as old as Cretaceous. There are no other co-occurring fossils in the deposit to give any clues. The photo on the right was taken using a 395 nm UV lamp.-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood Family Cupressaceae Miocene New Castle County, Delaware-
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From the album: Fluorescent Petrified Wood
Cypress Wood, viewed under short-wave ultraviolet light Miocene Odessa, Delaware -
From the album: Fluorescent Petrified Wood
Cypress Wood, viewed under short-wave ultraviolet light Miocene Odessa, Delaware -
From the album: Fluorescent Petrified Wood
Cypress Wood, viewed under short-wave ultraviolet light Miocene Odessa, Delaware -
From the album: Fluorescent Petrified Wood
Cypress Wood, viewed under short-wave ultraviolet light Miocene Odessa, Delaware -
From the album: Fluorescent Petrified Wood
Cypress Wood, viewed under short-wave ultraviolet light Miocene Odessa, Delaware -
Long-Buried Ice Age, Alabama Forest Offers Climate Change Clues
Oxytropidoceras posted a topic in Fossil News
Scientists: Long-Buried Ice Age Forest Offers Climate Change Clues All Things Considered, Debbie Elliot, February 9, 2018 https://www.npr.org/2018/02/09/584116280/scientists-long-buried-ice-age-forest-offers-climate-change-clues https://www.npr.org/programs/all-things-considered/2018/02/21/587519897 Underwater forest in the Gulf acts as climate change time capsule Times-Picayune, NOLACom News, February, 12, 2018 http://www.nola.com/environment/index.ssf/2018/02/underwater_forest_in_the_gulf.html Alabama's 60,000-year-old underwater forest spills its secrets in new documentary, ALCom News, June 25, 2017 http://www.al.com/news/mobile/index.ssf/2017/06/underwater_forest_discovered_alabama.html Gonzalez, S., Bentley Sr, S.J., DeLong, K.L., Xu, K., Obelcz, J., Truong, J., Harley, G.L., Reese, C.A. and Caporaso, A., 2017. Facies Reconstruction of a Late Pleistocene Cypress Forest Discovered on the Northern Gulf of Mexico Continental Shelf. Gulf Coast Association of Geological Societies Transactions, v. 67, p. 133–146. https://www.documentcloud.org/documents/4369196-DeLong-Paper.html http://www.gcags.org/exploreanddiscover/2017/00196_gonzalez_et_al.pdf Faught, M.K. and Donoghue, J.F., 1997. Marine inundated archaeological sites and paleofluvial systems: examples from a karst‐controlled continental shelf setting in Apalachee Bay, Northeastern Gulf of Mexico. Geoarchaeology, 12(5), pp. 417-458. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.211.1206&rep=rep1&type=pdf https://pdfs.semanticscholar.org/46c6/3f837e40f489e80397d8f52a751f046d91f0.pdf A related paper is: Archer, A.W., Elrick, S., Nelson, W.J. and DiMichele, W.A., 2016, Cataclysmic burial of Pennsylvanian Period coal swamps in the Illinois Basin: Hypertidal sedimentation during Gondwanan glacial melt-water pulses. In Contributions to Modern and Ancient Tidal Sedimentology: Proceedings of the Tidalites 2012 Conference: International Association of Sedimentologists Special Publication (Vol. 47, pp. 217-231). https://www.researchgate.net/publication/299407830_Cataclysmic_burial_of_Pennsylvanian_Period_coal_swamps_in_the_Illinois_Basin_Hypertidal_sedimentation_during_Gondwanan_glacial_melt-water_pulses https://repository.si.edu/bitstream/handle/10088/30890/2016-ArcherEtAl MeltwaterPulsesLPIA IAS.pdf?sequence=1&isAllowed=y Yours, Paul H.- 1 reply
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