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I need Advice on Getting this Fin spine out of the rock
Samurai posted a topic in General Fossil Discussion
I am not sure if this is the right place to post this on the forum, but I am going to be completely honest and admit that I need advice on trying to get this fossil out in one piece. I have a small portable rock saw which I have tried using to no avail. I have also tried chiseling around it but I am an amateur and have only used this rock saw on easier-to-get targets. I do not want to break this and glue it back together unless it is absolutely necessary. My original plan was to cut in a sort of # pattern and chisel the sides till I got deep enough to chisel out a rectangular slab but then got cold feet. This fin spine is lodged in a half-sunken 5 to 7-inch thick chunk of limestone that is too large to carry or move. I want to try and extract this fossil before the rock pile gets taken to the dump, or this fossil erodes completely into nothing. I know it's not in the best shape but it means a lot to me as it was my first "big find" when I started field collecting a few years ago and any advice is appreciated. I am not sure if I should just keep chiseling the sawed portions till it begins to break loose or what my next steps should be. It is also so close to being covered in sediment and so close to another chunk of limestone I am unable to fit the portable saw blade completely in place to saw more for the bottom portion, beyond where it is already cut. (it is at an incline and the rocks form a sort of V shape). Image taken before sawing began (I am leaning on the other rock): Where I am at: Edit: I think I need to keep chiseling it, but I wanted to consult the experts before I continue further. I think i may have panicked when I heard that the landowner may be calling waste management in a few months. Once again sorry if this is the wrong place to post this, and move this post if need be.- 24 replies
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- muncie creek
- missouri
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My folks have a nice lake behind their house. It is relaxing to spend a warm evening watching a heron spear fish or geese fight each other. Or watch silt slowly fill the lake bed. Across the street, a housing developer stripped off a bunch of soil down to the bedrock, but ran out of money before building on the land. This has resulted in some significant erosion and sedimentation in the lake, but this cloud does have a silver lining. I soon noticed a thick bed of shale exposed on the hill. So it was only a matter of time until I make the short trip to the top. The hill, with exposed shale, can be seen on the right. No, I did not hunt that day. A few weeks ago, I drove up there and poked around the Pennsylvanian strata. The Island Creek Shale is the first bed encountered: There are thin beds of calcareous sandstone within. Oh look, ripple marks: And trace fossils: I've found fusulinids and brachiopods where the shale thins several miles to the south.
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- pennsylvanian
- midcontinent
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From the album: Missouri Ammonoids, Nautiloids and Gastropods
Found this beautiful specimen the other day while searching in the rock pile attributed to the Iola Formation. More specifically, this one was most likely found in the Paola limestone member.- 1 comment
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- nautiloid
- metacoceras
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Spring is finally coming around. Here in Missouri, we are getting a mix of nice weather, lots of rain, and even still some colder frosty days. I was off work yesterday, and the great weather had inspired me to go check out an Ordovician road cut I did some recon on last month. The roadcut isnt very large, but with the hard rain we had received this past week I figured it would be a good chance to rummage through the bedrock and scree pile. Within 5 minutes, I found my first find. It is likley an enrolled Eomonorachus intermedius trilobite. Unfortunately there was a crack running right through it. The trilobite was very small, measuring in at .25 inches. This is were things went wrong. I didn't bring any glue with me, and figured I would chance trying to extract it as-is, even with the crack running through it. Big mistake, as it can out in two pieces. This specimen was missing it's eyes and some shell, so I wasn't too distraught. About 10 minutes later, I found another enrolled specimen, this time with the tail exposed upright. It also measured in a .25 inches in length. It is likley also an Eomonorachus intermedius, but will need cleaned for a confident ID. After extraction, I walked to my car to put up my grinder and I couldn't believe what I saw just laying on the ground. Another trilobite! It is a miracle this bug was intact. I was amazed to turn the trilobite around and see some of its eye lenses looking back at me. It is a great day when you find a trilobite in Missouri with how rare they are, but to find three in one day is downright spectacular. This specimen isn't perfect either. It's compressed, missing it's genal spines, and also has it's tail tucked under the cephalon likley due to compression. Regardless, I am very happy with it. It should clean up well! I also snagged a nice little Isotelus hypostome. After that, I packed up and headed for home. I had a great time out, and will definitely have to check out this location again after time has passed, and some more weathering takes place. Thanks for reading!
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- 15
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- decorah formation
- missouri
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Found this while walking the dogs In Central Missouri USA . 3 cm long 2.5cm wide 2.5 cm tall limestone matrix. I thought it was a clam shell when I found it. The smoth rounded side was sticking out, but when I hit it with a hammer the Clow/Tooth shaped fossils was revealed. Let me know what you think Thanks
- 2 replies
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- fossil tooth?
- fossil claw?
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Another piece I found in Lee Summit Missouri. I’m not really sure what to think of it other than it’s definitely something. It looks like a snail shell but has little crystals(calcite?) in it. Any information would be helpful
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Found by blue river in Kansas City Missouri. I have no clue what I have found. I always find small brachiopods,horned coral or bivalves in this area. It was difficult to get a good photo. The whole rock itself is about 10 inches long Hope someone can tell me what it is. Thank you VID_20240301_092103~4.mp4 VID_20240229_234758.mp4 VID_20240301_092103~4.mp4
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From the album: Mississippian fossils
A nice little calyx I finished cleaning.-
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- burlington formation
- missouri
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From the album: Mississippian fossils
Another large Eutrochocrinus calyx I cleaned.-
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- burlington formation
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It was difficult to get a good photo. I brushed this untill I could see more. Found by blue river Kansas city. Is it an AMMONITE? It's sort of shaped like one very worn one. Not sure any help would be appreciated. Thx
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From the album: Mississippian fossils
A large Uperocrinus pyriformis calyx I cleaned.-
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- burlington formation
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From the album: Mississippian fossils
A large Eutrochocrinus christyi calyx I cleaned.-
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Hi, Another ID help question, I wasn't sure if these might be fish scales or plant fossils or something else. These are from Missouri, not sure of the age or more precise location unfortunately.
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I collected some trilobites last year that I have now sent out for preparation. Most of the specimens I found were by splitting rock, resulting in some nice lengthwise cross sections but I also did find one ventral and one dorsal example as well. I wanted to make a post here so I can share the before and after results. Will update this as time goes on, and pieces are finished. #1 ventral #2 dorsal Did a small amount of cleaning on #2. Will let a professional do the rest of the bulk cleaning. #3 I gifted this specimen to a gifted preparator. It looks to be a complete, but small Calymenid. #4 the largest Calymenid I split out. This should be a nice complete specimen. #5 has 2 complete Calymenids, in three pieces of stone. The second specimen cannot be seen, but is underneath the split rock in the first image below. I suspect this one will be a tricky and difficult prep job if both are to be cleaned and seen. #6 this Calymenid is small, complete, and somewhat enrolled. #7 the specimen I am most excited about. This doesn't match the Calymenid cross sections shown above. Perhaps a Dalmanatid? I dont think a complete one has been collected here yet, so chances are pretty slim. That's all I've sent out for now. Many of these sections are very difficult to see without certain lighting and wetting, but I tried my best to showcase what I've been looking for in the rock. I look forward to sharing the results with all of you soon!
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- missouri
- bainbridge formation
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Would love some help on identifying what's in this rock. Total newbie here and found this site after doing an internet search. I found this rock that was left in the garden by the previous home owners. Not sure where it's from, but we are in Missouri so could be from this area. This looked similar to pictures I found on the web of crinoid stems, but these seemed smoother. Anyone know if this is a fossil or just some neat rock formation? Also, any tips on cleaning/preserving? I sprayed it down with the hose to get off the loose dirt. Thanks for all your help.
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From the album: Pennsylvanian fossils
Phylum: Chordata Class: Chondrichthyes Order: Cochliodontiformes Family: Cochliodontidae Genus: Deltodus A tiny complete toothplate.-
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- deer creek formation
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I found some interesting specimens as I was probing soft reddish colored Rock (sandstone?) that had been dumped in a field near my house Atchison Kansas. I could be wrong with my assumption is that it's from the nearby Missouri River. A handful of interesting observations pictured here but I'm not sure about. 1) The hard oozy substance on one rock. Is that amber? 2) the half dollar sized impression that looks like it's an Amber upon another rock. Could that be some kind of plant? 3) one rock has a thin black band across it. Wondering what ancient event might be known to cause that? 4) most interesting, I found a few Trilobite looking figures. From what I've dug into so far, looks like they might bea Carolina praying mantis oothecas. I have read that these can be hard, but they feel hard like the rock, or at least close to it. Nearby I did see s momome cotton-like material that look like it could be another stage of this creature. But then again it wasn't very thick and just a little bit of cotton material there. I have the suspicion that perhaps these were more ancient oothecas partially fossilized. But that was only a wild guess. Any insights into any of the above would be most welcome. Thanks for any help you can provide.
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From the album: Mississippian fossils
A nice crinoid I found on my creek walk today. I will need to do some more cleaning to determine a proper ID.- 1 comment
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- boone county
- missouri
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I haven’t posted a stromatolite in a while. I’ve been preoccupied with biominerals and petrified wood. To see an old thread on stromatolites in my collection, check out the below link. The below stromatolite slab is one of my favorites in my collection because of its composition and formation story. This slab is a breccia created during a Mississippian time-period Impact (large meteor or asteroid) in Missouri that blended Cambrian aged laminar stromatolites with Precambrian aged iron. The close-up pictures below show the EDIT: agatized interdigital spaces of a stromatolite embedded in the iron. The last 5 pictures are at the highest magnification and show the stromatolite patterns and breccia patterns. Mississippian Impact Breccia Slab, Agatized Cambrian Laminar Stromatolite blended with Precambrian Iron, Crooked Creek Structure, Crawford Co., Missouri (264 grams 6.125x3.5x.375 inches): This slab was sold as fossilized coral. I could tell from the pictures that it was actually a stromatolite which I’ve confirmed with two stromatolite experts. The interesting thing is that it is from the Miocene of Indonesia. Both the time period and location make the specimen rare. Stromatolite Slab, Miocene, Indonesia (109 grams 3x2.75x.125 to .5 inches): Marco Sr.
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- stromatolites
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From the album: Chondrichthyan Teeth From The Pennsylvanian Period
One of my teeth that I really want to identify. It was mentioned it could be a broken or partial Petalodont crown minus the root. 13cm in size- 1 comment
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- cochliodus
- tooth
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From the album: Mississippian fossils
A superb Ameropiltonia lauradanae trilobite.-
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- boone county
- missouri
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I found some interesting specimens today I would like a second opinion on. Thinking both of these essentially complete bugs are Eomonorachus intermedius, but I'm not certain as they are both exposed ventrally. #1 After some cleaning #2- the second ventral specimen here is preserved hiding underneath an Isotelus pygidium and is very tiny! After some cleaning I think both of these partials are Eomonorachus as well. Almost exposed pygidium Half exposed cephalon showing good eye facet detail. Thanks for any feedback. -Jay
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- decorah formation
- ordovician
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From the album: Mississippian fossils
A nice Deltodus toothplate I found on my hike through a creek today.-
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From the album: Mississippian fossils
Here is a cute little Comptonaspis pygidium I found on my last hike.-
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- boone county
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Unable to identify- double sided with various compression/impression patterns
DoubleD843 posted a topic in Fossil ID
Unable to confidently I.D. both sides: Ginkgo leaf impression possibly? (1st pic next to quarter) More than 1...2(?) differentiating compressions/ impressions