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Showing results for tags 'Lincoln Creek Formation'.
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Far from perfect, but a considerable improvement over the last one.
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It looks different from Pulalius Vulgaris, has a more flattened carapace, and one claw is noticeably larger.
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Finally got my compressor and air scribe set up, and am now getting to work on the concretions I gathered over the summer and fall. Just to see if I could do it, I took a crack at the smallest one I knew had a crab in it, at barely more than 3 cm wide. My friend lent me a scribe with a smaller bit than the one I bought 3 months ago, and it handled itself pretty well here. Did ding the carapace a handfull of times, but pleased with the outcome of this first crab venture. Prepping one this small was stressfull, so I'm looking forward to working on larger ones that don't demand as much precision.
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Another productive day hunting early Oligocene marine deposits of the Lincoln Creek Formation in Washington state, US. with James Goedert and Cheng Hsiu Tsai. Overcast day with showers, rare for a summer day here. I was finding mostly glendonite when I spotted a nodule that's a bit more rare than the overcast day we were experiencing: a tympanic bulla of an early cetacean. Donated to Tsai of the National Taiwan University for study.
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Here's an aturia angusta nautiloid with some chunky calcite from the Lincoln Creek Formation in Washington state, US. Also, a recent paper on a bivalve of the same location, pliocardia? guthrieorum, named after my wife and myself by the author. We're aggressively searching for late Eocene and early Oligocene cetaceans, especially the odontocete variety. Maybe this will be our lucky year!
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It's not much to look at, but I finally got one! It wasn't in a concretion, so happening upon it was sheer luck.
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Anyone have an ID for these Lincoln Creek Formation Gastropods?
Neanderthal Shaman posted a topic in Fossil ID
Normally I would use the Burke's paleontology database to ID these, but they have informed me that it may be months before they can get their database system back up and running again. Lincoln Creek Formation, Grays Harbor County WA, oligocene. Largest one measures around 2 cm.
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Found a large boulder that had recently tumbled down a rocky hillside on a rock hounding trip near Elma Washington. The boulder measured about 4 x 4 x 3 ft. and consisted of compacted fine-grained sandstone or siltstone. However, there was a dark seam running through it. On closer inspection this darker material was encased in the fine sediment and looked like cells. We estimated this cell material made up around 30 percent of the rock structure. The seam expanded in certain areas. Here is a crude drawing. We used a rock hammer to break off a small chunk. The rock was very hard, and it took quite the effort to collect that small sample The small sample we collected weighed a little over 1 lb. So, the rock boulder would have roughly weighed 500 or more pounds. Bringing the sample home, I cut a small piece and then polished it using a lap. The material polishes up nicely and looks like cells. About a month later we brought a rock club to the site and the rock was gone! It had to have weighed hundreds of pounds yet there was no trace of the boulder. The group did find some small gastropods, so the trip was worth it—but what happened to the boulder and what is the material we collected. The site is in the Lincoln Creek Formation about 38 to 16 million years old and is at a high elevation.
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Hello all, After a few shrimp I finally decided to try giving a crab nodule a go. This is my first time working on a Washington Pulalius vulgaris and so far I am pretty happy with my progress, It hasn't been too sticky and while it's more disarticulated then I expected it seems to all be there. The nodule before prep - this side turned out to be the bottom so I quickly switched to the other After about an hour, I managed not to ding up the carapace too much which I am thrilled about. I am now bout 4 hours in. There are 4 legs on the righthand side and I've managed to expose them only losing a part of the bottommost one. I'm particularly happy with how the claw has come out. The left-hand side of the crab however is a bigger challenge, the one leg I have exposed so far is hollow and you can see the two holes which I think indicate the left arm is hollow also. To prepare them, I am thinking of injecting some thin resin into the voids in the hopes that will give the shell some internal stability. If anyone has any other ideas or experience dealing with voids I'd love to hear it. I am excited to get back to prepping this one.
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Early Oligocene fish nodule from the Lincoln Creek Formation in SW Washington state.
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A humble mount of some of the tusk shells I've found in Centralia. I've only ever found one that was complete. These things are like graham crackers, they crumble from the slightest touch, so needless to say, safely removing them from the sandy shale can be a pain!
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Some very, very tiny moon snails from the Lincoln Creek Formation (late Eocene-early Miocene), Centralia Washington. I think these are Natica as opposed to Polinices. Affixed to shale with superglue and consolidated with paraloid.
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Hi everybody! I've been in the process of trying to identify the types of mollusks I found on a recent scouting trip out to the Lincoln Creek Formation. I very much don't know what I'm doing regarding identification or preserving, so any tips will help! Regarding the bivalve, I'm wondering what I can tell with the ligaments. I feel I can safely say it's a taxodont, but I don't know where to go from there. I think that this fossil shows the imprint of the inside of the shell, and I think that the outside is well ribbed, but I think that from impressions left near this fossil from presumably other bivalves of the same species. (Is that a muscle scar I see in the outside photo?) I also got a couple gastropods from the trip, but don't really know anything about those, either. I'm brand new at this fossil hunting/id thing, and am really interested in learning how I can date a formation by the fossils, etc...
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Hello! I'm new to this site and very happy to have found and joined this great community, while I generally focus my collecting on minerals im eagerly collecting fossils too. This is my personal favorite of the few I have collected, and it was found in a creek around Lewis County not far from Salmon Creek (Washington). I believe it may belong to a Aturia/nautilus replaced by chalcedony? Any feedback is greatly appreciated. Thanks, Cam
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Extracted my first Lincoln Creek formation (Washington State) fossilized crab from a locally collected concretion.
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Howdy yall! Its been a while sice I posted because on the same day I collected these concretions me and my digging buddy collapsed a chunk of the cliff onto ourselves and broke a few bones (Its all okay now and also congrats to whoever collected the concretions in the rocks). But all I have is a dremel 290 and these are gigantic concretions that I dont think I can prep by myself. I was just wondering if yall though it would be better if I just bit the bullet and got an actual set up or a ball park price to get someone else to prep it (I really want it well done another reason to get someone else to do it cause im garbage at prepping)
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Hello everyone, Been a while since I made a post. Back in December I found a nice shell: Looting Lincoln Creek - Fossil Hunting Trips - The Fossil Forum. I'm not good with shells, I assume it's a conch of some kind. Anyways, having it out of the matrix has renewed my interest in it, and I was hoping someone might be able to tell me what kind of shell it is. Was also wondering if anyone knows a way I could keep it from falling apart, maybe with something I can coat it in. Just holding it for the picture, it felt like it was about to crumble to pieces. It is from the Lincoln Creek Formation in Washington, and dates back to the Oligocene.
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Sharing one of many finds this week and another hike planned next week. Early Oligocene, billfish concretion of the Lincoln Creek Formation. Additionally, several large whale vertebrae found, coral, sponges, shark vertebrae and dolphin. My apologies for not frequenting TFF as often as I should, getting old and napping more. 1st image: shark vertebra, 2nd: billfish, 3rd: whale vertebra, 4th: billfish vertebra. Chopping fallen trees to the site.. with pickax. My collection for a chain saw.
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There was a fleeting glimpse of sunshine, so me and a few guys decided to hit the Lincoln Creek Formation today. We know a great spot by the Chehalis River, which also happens to be about 15 minutes away from my friend's house. Nothing better than a convenient site! The site would be inaccessible were it not for an abandoned old logging track that takes you over the water. We often compare it to that one scene in "Stand By Me".
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After 55 years of collecting, hunting, making friends, researching, listening to those with experience and hiking thousands of miles, I am nearing the pinnacle of my endeavor. The restrictions in Washington state concerning fossil collecting is strict and many of my old sites are closed. There's ways around those restrictions and they're legal, but it's a thin line to walk, literally. I believe those restrictions forced me to a new approach that has become very rewarding. Plus, I've started donating my collections, it's gratifying. Besides, I can't take 'em with me. Here's another isopod and I'll add more pictures of Wednesday's hunt.
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Heavily weathered nautiloid, Aturia, from the lower Oligocene marine sediments of Washington state. Agatized. Some prep work, too fragile to expose further.
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The last couple of weeks I've been hitting a sandy shale bluff by the Chehalis River, just west of Centralia Washington. My latest expedition proved to be the most fruitful yet. A leaf impression, found on a big boulder that had broken off from the bluff. I left it where it was. Splitting it off from the boulder seemed unfeasible for the most part.
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A little while back I made a trip to the Lincoln Creek formation in Centralia Washington and came back with some strange cylindrical shells. Some folks on the forum suggested that they might be ship worm burrows, but I found some more today on a follow-up expedition. I can now safely say that they are all fairly straight, and narrow down into a sharp point towards the end. I found a picture labeled as "Cenozoic Shells of Washington State" on the internet, and one of the shells in the picture seems to be a dead ringer for the things I've been finding. Unfortunately, none of the shells in the picture are labeled. Does anyone know what kind of mollusk they might be from? Edit: Might have just found it! Scaphopods?
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- centralia
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Was looking for crabs and clam shells in a Miocene deposit near Centralia WA. Was shocked to see what looked like PVC pipe sticking though a rock that was millions of years old. Tube itself is rather small, only about 2 inches in length, and 0.3 inches in diameter. My best guess is that it's a tube worm's shell. Thoughts?
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