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Hi all, I found this just down stream of my last find and it has a strange layer / seam through it. I'm wondering if it has anything to do with the ancient volcanic activity in the area? Maybe it had a larger of ash over it then began growing again. Thoughts? Cheers
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Building a Museum for Lightning Ridge's opalised dinosaurs
Oxytropidoceras posted a topic in Fossil News
Building a home for dinosaur fossils with extra opal bling at Lightning Ridge By Sally Bryant, Australian Broadcasting, https://www.abc.net.au/news/rural/2015-02-03/dinosaur-fosssils-with-opal-bling-at-lightning-ridge/6065346 A couple of papers are: Meakin, S., 2011. Geodiversity of the Lightning Ridge area and implications for geotourism. In Proceedings of the Linnean Society of New South Wales (Vol. 132, p. 71). https://www.academia.edu/24823750/Geodiversity_of_the_Lightning_Ridge_Area_and_Implications_for_Geotourism Watkins, J.J., Behr, H.J. and Behr, K., 2011. Fossil Microbes in Opal from Lightning Ridge: Implications for the Formation of Opal. Division of Resources and Energy. https://pdfs.semanticscholar.org/6e7a/9d5d30343d24a9efb4c15d37602a32c3b10c.pdf?_ga=2.69785872.1453044388.1578279722-895145303.1578279722 https://www.semanticscholar.org/paper/Fossil-microbes-in-opal-from-Lightning-Ridge-—-for-Behr-Behr/6e7a9d5d30343d24a9efb4c15d37602a32c3b10c Yours, Paul H.- 1 reply
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- opalised fossils
- australia
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From the album Echinodermata
3cm. A gift from Secret Santas Monica and Viola. Miocene Victoria, Australia -
Well, decided to check an old site before the year ended and really glad we did! @Ash and I originally went out on December 9th and found a part of a Diprotodon humerus, half a large Diprotodon incisor, and what looked to be an array of associated foot bones with the proximal ends of a couple ribs from the same animal. Given the heat, however, we had to turn around and come back that Saturday to plaster jacket the busted incisor out and to more carefully extract the associated bones, as they seemed fragile (they had cracks and some were already in pieces) and we were low on glue. So we came back on Saturday and set to work on the associated bones. This is as they were found: We could initially see about 4-5 bones: But as we progessed, there were more...tiny bones, amorphous bones...and it wasn't a foot-it was a hand! And those proximal ends of ribs? Were actually beautifully complete, large unguals!!! We were so excited-we had found a Diprotodon manus, complete with unguals! Or, at least, we thought. In the back of my mind I felt something was off. The unguals were HUGE and very thin. And I didn't recall coming across any photos pf Diprotodon feet with such large, compressed unguals, though I had seen a much smaller, similar one in an educational display being contributed as having been from Diprotodon. But all my reference photos showed the unguals as being smaller and more blunt and rotund. And as I pieced the bones together in as best their respective positions as I could figure from prior knowledge of basic anatomy and Diprotodon foot reference photos, I found the bones to be very 'funny'. I finally looked up Palorchestes-the only other marsupial mammal I could think of of similar size but that would have the possibility of accounting for the variance I was seeing when compared to Diprotodon. Palorchestes is, essentially, Australia's answer to the giant ground sloth, as far as we know. It had really large unguals, locked 100° elbows, strong, muscular forearms, and possibly a trunk. The unguals were a match to those in this paper, which details the known manus/pes elements of Palorchestes: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0221824 And after consulting a few experts, well... Meet Chester. Or, his left hand, at least. The only known manus of Palorchestes azael (the manus in the paper is that of P. parvus; P. azael was larger and existed until the late Pleistocene) :
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First fossil dino baby bones from Australia article https://cosmosmagazine.com/palaeontology/tiny-fossils-are-first-known-baby-dinosaurs-from-australia?fbclid=IwAR3OzH8S7i2SWcyP2q1jI99kjwlXuosMqzbkZxu_GS80sH6h2A4vfo-Rb9o paper.. https://www.nature.com/articles/s41598-019-56069-8
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- australia
- griman creek formation
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LINK about 4,5 MB New megaraptorid (Dinosauria: Theropoda)remains from the Lower Cretaceous Eumeralla Formation of Cape Otway, Victoria, Australia Stephen F. Poropat, Matt A. White, Patricia Vickers-Rich & Thomas H. Rich Journal of Vertebrate Paleontology, 39:4, e1666273, Tetanurae sensu Gauthier: "includes birds and all other theropods that are closer to birds than they are to Ceratosauria"
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- eric the red west site
- manual ungual
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Hi I found this online and am wondering if its a tooth?, or just a piece of opal. Its 2mm, and is from Lightning Ridge Australia. Thanks!!
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Hi I’m wondering what Theropods are found in lightning Ridge Australia @Down under fossil hunter
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Below is a Trilobite fossil from the Arthur Creek Formation (middle Cambrian) I found some months ago. This formation is located in the Southern Georgina Basin in Central Australia, in a remote location between Northern Territory and Queensland. I hadn't attempted preparing a fossil before and decided to finally give it a try. I wanted to see if the Cephalon was present and still intact and if I could carefully uncover it. I'm quite pleased with how it turned out, as the fossil is comprised of a very dense sandstone and I was told it could be a challenge. Now I have it fully uncovered I wanted to see if anyone could help with identification. From the reading I've done I'm thinking it's Xystridura Templetonensis. The two circular sections either side of the Glabella, which itself is quite circular line up with other examples I see of Templetonensis. I find it hard to get an accurate thorax segment count, but I believe I see 13, which would also line up with what I thought. Thanks for any help!
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Hey Everyone! I've found these in Toowoomba, Qld Australia. I was wondering if anyone knew what they were and how I should go about cleaning them up. These are my first fossils Ive found, im so excited and don't want to damage them!
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Early Cretaceous feathers found in Australia - Koonwarra Fossil Bed
Oxytropidoceras posted a topic in Fossil News
First evidence of feathered polar dinosaurs found in Australia Uppsala University, November 12, 2019 https://www.sciencedaily.com/releases/2019/11/191112110235.htm The paper is: Martin Kundrát, Thomas H. Rich, Johan Lindgren, Peter Sjövall, Patricia Vickers-Rich, Luis M. Chiappe, Benjamin P. Kear. A polar dinosaur feather assemblage from Australia. Gondwana Research, 2019; DOI: 10.1016/j.gr.2019.10.004 https://www.sciencedirect.com/science/article/abs/pii/S1342937X19302850 Related publications, Koonwarra Fossil Bed, Dr Stephen Poropat https://stephenporopat.weebly.com/uploads/2/4/4/2/24423511/poropat_2018_the_koonwarra_fossil_bed._ferns_flowers_fleas_and_fish...and_feathers_for_good_measure.pdf https://www.researchgate.net/profile/Stephen_Poropat https://stephenporopat.weebly.com Bean, L.B., 2017. Reappraisal of Mesozoic fishes and associated invertebrates and flora from Talbragar and Koonwarra, eastern Australia. Proceedings of the Royal Society of Victoria, 129(1), pp.7-20. https://www.researchgate.net/publication/318676969_Reappraisal_of_Mesozoic_fishes_and_associated_invertebrates_and_flora_from_Talbragar_and_Koonwarra_Eastern_Australia Yours, Paul H.-
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- australia
- cretaceous
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Hi all I found what I think is a fossil about three years ago in a stream of the Barrington Tops/ Dungog area of NSW, Australia. It has fascinated me since and I'm currently in the process of signing up to local fossil groups to learn everything I can about this hobby. Until then, any help in identifying what I have is much appreciated! Thanks
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End-Permian (252 Mya) deforestation, wildfires and flooding (open access paper)
Oxytropidoceras posted a topic in Fossil News
Below is a very interesting open access paper. Vajda, V., McLoughlin, S., Mays, C., Frank, T.D., Fielding, C.R., Tevyaw, A., Lehsten, V., Bocking, M. and Nicoll, R.S., 2020. End-Permian (252 Mya) deforestation, wildfires and flooding—An ancient biotic crisis with lessons for the present. Earth and Planetary Science Letters, 529, p.115875. https://www.sciencedirect.com/science/article/pii/S0012821X19305679 Yours, Paul H. -
VAIMCLOUH End-Permian (252 Mya) deforestation, wildfires and flooding—An ancient biotic crisis with lessons for the present Vivi Vajda,, StephenMcLoughlin, Chris Mays, Tracy D.Frank, Christopher R.Fielding, AllenTevyaw, Veiko Lehsten, Malcolm Bocking, Robert S.Nicoll Earth and Planetary Science Letters 529(2020)115875 !!!!!!!!!!!!!!! NB: 7,3 Mb editorial note: Having some pre-existing knowledge of organic petrology,palynology,geochemistry would be helpful
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- palynology
- australia
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Pilbara stomatolites revisited (Pilbara Craton, Australia)
Oxytropidoceras posted a topic in Fossil News
Confirmed. Fossils That Formed 3.5 billion Years Ago, Really are Fossils. The Oldest Evidence of Life Found So Far Universe Today, September 30, 2019 https://www.universetoday.com/143561/confirmed-fossils-that-formed-3-5-billion-years-ago-really-are-fossils-the-oldest-evidence-of-life-found-so-far/ The Pilbara’s famous stromatolites finally give up their secret. Mark Bruer reports., Cosomos, Sept. 30, 2019 https://cosmosmagazine.com/geoscience/earliest-life-found-in-ancient-aussie-rocks Earliest signs of life: scientists find microbial remains in ancient rocks University of New South Wales, Sydney, Australia https://newsroom.unsw.edu.au/news/science-tech/earliest-signs-life-scientists-find-microbial-remains-ancient-rocks Yours, Paul H.- 1 reply
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- pilbara craton
- australia
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We’ll update this thread when we get working on it, but for now this is Skye (@Jesuslover340) and my latest prep project. Busted up Pleistocene pelvis. Not sure who it’s from yet. Pics are: 1. As found 2. Uncovering more 3. Showing size 4. Plastered 5. Breaking it free 6. Back at home. May seem ridiculous but this progression took 2 months to do. We were a bit slow/busy with life.
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Thought I would share some specimens from my recent trip to the Mt Scott Range, near the town of Leigh Creek and about 540 km north of the city of Adelaide. These Arachaeocyatha can be found just beside the main road and are from the Ajax Limestone, of Lower Cambrian age (528 Ma). I am not able to indentify genera or species but many types are represented. Best way to see them is to either find a sample that has been naturally weathered, which shows up the structure in relief, or cut and polish sections. The last photo shows a longitudinal section of one showing both the double wall structure of the caylyx and also the attachemnt holdfast.
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I have a sample of calcite crystal from Corop in Victoria, Australia. It has a collection of "growths" which I struggle to understand. Given these rocks are Cambrian and were formed in very hot conditions (volcanic, underwater ) no fossils could be expected. It's more likely to be a mineral dissolution feature, but not possible to tell. My problem is the way the "worm holes" butt against each other without joining, suggesting some kind of organic replacement. My mystery appears to follow fractures and isn't evenly tubular. It comes from a road metal quarry in the vicinity of a fault region filled with minerals, where the calcite is among material blasted from a vertical wall so the depth and surrounding rock is not clear. Perhaps it has joined the site over the eons since the rock formed. My local museum geology department has no answer yet. Photographs taken with microscope X10. Any ideas?
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Heading to SVP Meeting in Brisbane Australia what are the Rules for Collecting in Australia
paleosanta posted a topic in Fossil Hunting Trips
Im heading to Brisbane Australia for the annual Society of Vertebrate Paleontology meeting in October with several Rowan University Professors/Paleontologists and I am trying to research the rules for collecting fossils in Australia. I know we will each need to obtain a fossicking licence but we would greatly appreciate any knowledge on the rules for fossil collecting while we are in Cairns and Brisbane. Thanks in advance -
From the album Cretaceous Shark Teeth
Undescribed species from Toolebuc Formation, Australia. Albian in age. -
From the album Cretaceous Shark Teeth
Undescribed species from Toolebuc Formation, Australia. Albian in age. -
From the album Cretaceous Shark Teeth
Currently undescribed Cardabiodontid species from Toolebuc Formation, Australia. Albian in age. -
From the album Cretaceous Shark Teeth
Currently undescribed Cardabiodontid species from Toolebuc Formation, Australia. Albian in age. -
Undescribed shark species (Dallasiella sp.?) Australia
Untitled posted a gallery image in Members Gallery
From the album Cretaceous Shark Teeth
Undescribed species of shark from Toolebuc Formation, Australia. The central fold in the root and shape reminds me of Dallasiella. -
Undescribed shark species (Dallasiella sp.?) Australia
Untitled posted a gallery image in Members Gallery
From the album Cretaceous Shark Teeth
Undescribed species of shark from Toolebuc Formation, Australia. The central fold in the root and shape reminds me of Dallasiella.
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