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Showing results for tags 'limestone mud'.
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By way of introduction, I am in my 8th decade on this terrestrial, fossil filled, ball. Retired accountant, numismatist, avid reader, piddler, open minded, you may meet people as non-judgmental as I am but I doubt you'll meet many any less judgmental. I've always had an interest in fossils but one day I found one! Maybe 5 to 8 years ago. I have a gravel driveway maybe 100 + a few feet long which I had just had re rocked. Rolling my garbage cans down to the street and looking down, as is my habit (never know what you'll find, but I didn't really expect to find anything in my driveway), and just as I swung the cans into position my eye noticed an interesting looking rock. I picked it up and believed I had found my first fossil! It's the pic in my profile. I believe it's a trilobite or some such. I have since found more, but I cannot identify them beyond if they're not a fossil of something then I don't have any idea what they are. A group of five of the better ones, including the one in my profile, is in this pic. I found a fossil yesterday, even, as well as a hagstone. I have learned a rock with a naturally occurring hole in it is a hagstone, and the finder of such is brought good luck. But only the finder. If I give it to someone else it does not work. However, if I return it to nature and someone finds it without my telling them anything, it apparently works again. I don't know if it's true but I have been mightily blessed the last few years since finding my first one. Of course, I had been mighily blessed prior to that. But who knows if it would have continued but for these hagstones. While looking through them, I have maybe 40, I noticed one has TWO holes. That ought to be worth something! My purpose is to make like minded friends and share pics. Maybe learn something.
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Complete newbie with a bunch of new fossils so brace yourselves. The fossil was found in east Clare (Ireland) Waulsotian limestone. This rock is dated Tournaisian - Lower Visean, and is a mix of solid limestone & a brittle lime mud. (Id'd using geological survey maps) "Waulsortian limestone is extensively developed in Ireland, and it represents a phase of submarine bank development during the Tournaisian (Mississippian, Carboniferous). These carbonate buildups are rich in (now lithified) lime mud, contain a shelly marine fossil fauna and generally lack any sign of a rigid supporting framework." Murray, John & Henry, Tiernan. (2018) Lots of crinoid, bryozoan and brachiopod fossils found a round it. It appears to be a part of a longer section (unexcavated). I wasn't able to find anything online that resembled it so would be delighted if anyone could steer me towards an answer. Thanks! Source Material: Bedrock Survey Map https://www.gsi.ie/en-ie/data-and-maps/Pages/Bedrock.aspx, Quoted Abstract: Murray, John & Henry, Tiernan. (2018). WAULSORTIAN LIMESTONE: GEOLOGY AND HYDROGEOLOGY. https://www.researchgate.net/publication/324746661_WAULSORTIAN_LIMESTONE_GEOLOGY_AND_HYDROGEOLOGY Dims: Length 70mm (2.75in), Diameter 28mm (1.1in)
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