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Showing results for tags 'Planolites'.
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A Wealth of Trace Fossils from Saskatoon, Saskatchewan!
Pseudogygites posted a topic in Fossil Hunting Trips
Another day of great finds in Saskatoon! This time, some trace fossils. With my wonderful collaboration with the University of Saskatchewan's Museum of Natural Sciences still continuing, recently I have been very lucky to make multiple trips out to a beautiful site just outside the city of Saskatoon where massive deposits of glacial lake silt are exposed. This silt produces pristine grass and other plant fossils in abundance (I'd like to make a post about them soon as well), but also seems to be teeming with various invertebrate trace fossils. All are very small (under 1 centimetre wide). I've attached some of my best pictures below. 1 - 6: Overlapping Planolites sp. closeups 7 - 11: Edaphichnium sp. 12 - 14: Taenidium sp. closeups 15 - 16: Taenidium sp. wide shots 17: Taenidium sp. closeup- 3 replies
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I went to the local outcrop in my hometown and found this matrix. At first I thought it was broken crinoid segments but after giving it two baths and two good scrubbing with a toothbrush, the details are much clearer and now I doubt it is crinoidal. Perhaps it is Planolite burrows? I think this matrix is of Longford Member, Kiowa formation, Albian. The outcrop I found this matrix at is mostly the Wellington formation, Permian; but it is topped by Kiowa formation and I found it near at the top of this outcrop. I would like to hear your opinions, thanks!
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New depth limit for deep-sea marine burrows University of Leeds, January 10, 2018 https://www.sciencedaily.com/releases/2018/01/180110080549.htm “Scientists have found fossil evidence of deep-sea marine life burrowing up to eight meters below the seabed -- four times the previously observed depth for modern deep-sea life.” Ancient outcrops give new depth limit for deep-sea burrows http://www.leeds.ac.uk/news/article/4165/ancient_outcrops_give_new_depth_limit_for_deep-sea_burrows The paper is: S. L. Cobain, D. M. Hodgson, J. Peakall, P. B. Wignall, M. R. D. Cobain. A new macrofaunal limit in the deep biosphere revealed by extreme burrow depths in ancient sediments. Scientific Reports, 2018; 8 (1) DOI: 10.1038/s41598-017-18481-w https://www.nature.com/articles/s41598-017-18481-w Yours, Paul H.
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The rain here in North Carolina gave me a bad case of cabin fever yesterday so I decided to jump in the car and drive out to a location that based on my limited knowledge should be Triassic in age. My original intent was just to collect some loose matrix to process for micro fossils but once I started looking around I couldn't resist the urge to hit something with my rock hammer. Needless to say it didn't take me long to realize that my simple rock hammer was just not going to work on most of the rocks but I was able to walk away with a couple of interesting pieces. I believe two of the pieces contain Planolites and the other two I am no sure of. I will attempt to post some photos as soon as I can get them cleaned up. I was also curious if any of the Forum members might have photos of Planolite specimens they have collected and could possibly post.