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Hi again. Last weekend I took a trip to Old Hunstanton to check out the amazing contrast of formation cliffs and with hopes of finding some nice fossils. The cliffs are made up of three layers the lowest rusty brown colour is the Carstone Formation of the Early Cretaceous Albion Stage. The band through the middle is a bright red colour known as the Hunstanton Formation also Early Cretaceous Albion Stage. The top layer is the white Ferriby Chalk Formation from the Late Cretaceous Cenomanian Stage. What a contrast! These cliffs feel much safer to walk below unlike Charmouth or Lyme Regis. The material is very solid and the white layer doesn't erode quickly. It wasn't the place for looking for fossils that the sea had washed out. It is also a very shelly beach, so my eye was struggling to pick out fossil shapes with all the broken shells everywhere. I did find some interesting looking things in the large chunks. This rock was a good meter across, so I couldn't collect it. It contains a lot of shells, belemnites and possibly sponges, but please correct me, as I don't really know a thing. Then this nice piece with lots of small pieces. Sorry I forgot to take a ruler with me. I did find some carriable promising rocks. I've brought this lot home with me for some practice prepping. Does anyone have any idea of what I might find in any of these rocks? Where would be a good place to start? I'm using a dremel 290. Thanks, Jes.
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Whilst on a dog walk in Bedfordshire, this exposed fossil was found and I wondered if I could get some help identifying. Looking at the structure being a honeycomb style my first reaction was bone of some kind but any help would be hugely appreciated. Some smaller pieces have hair like lines across the fossil.
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Today: fossil hunting in Cretaceous sediments of the Netherlands. Very good weather (warm) and good finds. Including one belemnite phragmocone (internal cast)! These fossils are from the early early Maastrichtian or latest late Campanian (70-67 mya and/or 70-68 mya). Names are included. Only the brachiopod/bivalve I don't know the species name.
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Hi all, hoping someone can tell me what these bits might be. The kids found them digging around/in a Cretaceous limestone chalk and greensand. Took them out there for a fun day, no idea what we were going to look for or where. Hoping someone can identify any of it. Thanks in advance
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Mostly my finds from Hunstanton are readily intelligible, but these are some I'm struggling with. Red rock: Hunstanton Formation, Cretaceous, Albian Stage White rock: Ferriby Chalk Formation, Cretaceous, Cenomanian Stage The first are two mysteries from the Hunstanton Formation. As always, any help is greatly appreciated!
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So I recovered this bit a month or two back during an outing at Samphire Hoe, between Folkestone and Dover UK. When I picked it up I didn't think much of it, assumed some sort of oxidised iron deposit but it was definitely not like any I'd seen and now I'm not so sure anymore, but equally I've no idea what the hell else it might be. Any suggestions welcome and appreciated as always. Geolocation: Samphire Hoe, Dover, United Kingdom Site Geological strata: Grey chalk subgroup Age: Cretaceous/Cenomanian Site location: Tailings at bottom of cliff face
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Hi guys I have this Ammonite from a Victorian collection, supposedly from beachy head, and I was wondering what your thoughts on it were? Thanks
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Hi I am hoping for an ID of this specimen I found around chalk cliffs on the north Norfolk coast UK. There are several echinoids, belemnites etc but I’ve not seen anything quite like this. My first thought was an egg but I know they’re pretty rare so I’m not too convinced, especially without any notable markings. It does however have a brittle shell like coating so it has me stumped. It’s approx 11cm. im new to this group so if I’ve missed any details please let me know. Thanks
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On our last fieldtrip to France this weekend we found a chalk-boulder with a quite large ammonite in it. The chalk was realy hard, but I was able to reduce it in size to take it back home. At the start of the prep with chislle and hammer I got a lucky split where the boulder opened to reveal most of the ammonite. The airscribe then did a quick job to remove the last bits. Sadly the center of the ammonite wasn't preserved, I tried to sculpt the center as well as I could and coloured it to match the fossil. As for the determination we had a little doubt between Cunningtoniceras inerme and Acanthoceras rothomagense as both species can look a lot alike and this specimen was slightly deformed in the chalk whitch made determination a bit harder, but most of the sings point towards A. rhotomagense .( the whorls here being higher than wide ) As found: the end result: A. rhotomagense mid. Cenomanian Cap-Blanc-Nez ( France )
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I'm really unsure if this is a fossil or a very oddly patterned pyrite fragment. It does bear some tooth structure to me, though no sign of any root structure per se that I can tell (with my limited knowledge). I've not been able to match it to anything readily. Geo location: Samphire Hoe, Kent, UK Site location: loose on foreshore Geological strata: Cretaceous (Cenomanian) Grey Chalk subgroup
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Last Saturday, Natalie and I went for a trip to the chalk cliffs in Northern France. We got there early and we were surprised at the parking by a friend who happened to have the same idea as us . @Euhoplites So now we were 3 to hit the beach. We were quite lucky with the weather, at least dry, and not to cold for this time of the year. We did get a decent haul to, a few ammonites, a se urchin, a realy nice nautiloid. Natalie also found some pretty shark teeth. The best find for me that day was a rare and very well preserved ammonite Hyphoplites falcatus. Enjoy the pictures Some of the teeth found by Natalie The Cymatoceras sp. : And finaly the fossil that made my day : a rare Hyphoplites falcatus:
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This weekend we had some nice weather for this time of the year , so we went to the beaches in the north of France for a stroll with the dog and hopefully some fossils. It is a 2h drive from were we live, so we got there around 10 o’clock. That’s around the time that the tide was starting to lower again, so we had all day access to the beach. We started our walk in Sangatte, just under Calais. And went south following the Turonian chalk cliffs. After a while we spotted our 1st fossil echinoid between the flint pebbles on the beach. Further South, the retreating tide started to uncover some interesting chalk boulders that could contain some ammonites. A few half or severely worn down specimens could be spotted, but after a while we found something really promising. A small part of different colour that could be the start of an ammonite rib was peeking out of one of the boulders. A quick hit with the chisel next to it exposed a larger part of what was indeed a large ammonite. We then took our time to clear out the whole fossil. We got it out in one piece , A 35cm wide Morrowites wingi. After this we didn’t get much further down the beach due to the weight of the ammonite in the backpack, but we kept looking in the same area for other fossils. We each found an additional echinoid on the beach and as a bonus on our way back to the car we found a ptychodus tooth.
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Hi everyone, I’ve just returned from a trip to Rocken End, Isle of Wight with some Cretaceous chalk ammonites in hand. This chalk is incredibly delicate to the point where handling is almost scary. I have the smaller things soaking in water to desalinate but I’m worried about these two items. The whole ammonite is the nicest and biggest we found (with a little ammo that already looks cracked…) and so delicate I’m worried that soaking it will destroy it? The larger block contains at least one nice ammonite and potentially more, I don’t know whether to prep it and then soak or vice versa? Also, we leave the IOW on Sunday and so I don’t have much time for soaking them. Would you recommend packing the fossils in damp paper towel and then re-submerging when I get back to London? I need any and all advice!
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Although the Cretaceous period lasted from 145 to 66 million years ago, geologic units from the Berriasian to Albian stages and several terrestrial units of Albian to Maastricthian age are not chalky in terms of geologic composition. I remember that the Cretaceous at one time was divided into the Neocomian, Gallic, and Senonian epochs, so one day International Commission on Stratigraphy should divide the Cretaceous into the Neocomian, Gallic, and Senonian periods, since the Cretaceous lasted longer than either the Triassic or Jurassic. This is similar to the fact that American geologists divide the Carboniferous in North America into the Mississippian and Pennsylvanian due to Mississippian deposits being marine and Pennsylvanian deposits being formed from coal.
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The giant mosasaur Prognathodon is now known from Denmark!
The Amateur Paleontologist posted a topic in Fossil News
A paper was recently published announcing the presence of Prognathodon in the Late Cretaceous chalk of Denmark. Prognathodon was a large, predatory mosasaur, well-known in the USA and Morocco, but known from other places e.g., the Netherlands. This new study is especially quite a big deal, because mosasaur fossils are incredibly rare in the Danish chalks. Prognathodon is now the 4th mosasaur known from the Late Cretaceous of Denmark, along with Mosasaurus, Plioplatecarpus and Carinodens. The Danish material is represented by two teeth - one of them being from the fossil site I study, Møns Klint! It's quite exciting that more and more research on the Late Cretaceous vertebrates of Denmark is being done The two danish Prognathodon teeth. The larger one (A-D) was found at Møns Klint, the smaller one (E-H) was found at Stevns Klint. These would have originated from 7.5- and 4-metre long mosasaurs, respectively. This is the new paper describing the mosasaur material: Giltaij, T.J., Milàn, J., Jagt, J.W.M. & Schulp, A.S. (2021). Prognathodon (Squamata, Mosasauridae) from the Maastrichtian chalk of Denmark. Bulletin of the Geological Society of Denmark, vol. 69, pp. 53–58. You can download the paper from here : https://2dgf.dk/publikationer/bulletin/bulletin-69-2021/#3 Hope you enjoyed this "Made-in-Denmark" mosasaur news -Christian -
I read in the book Dinosaurs: The Grand Tour that the Cretaceous period is named for the Greek island of Crete, but I wanted to ask if Crete itself has Cretaceous deposits.
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Found this in sweden malmö. The chalk is danian period 66-61 myo it looks like fish to me. The pieces are very small. If its a fish what part of it might it be?
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Late Cretaceous chalk in North America
The Amateur Paleontologist posted a topic in General Fossil Discussion
Hey everyone I know I've been lately rather inactive on TFF; I was held back by fieldwork and other reasons (though do expect some posts about the fieldwork next weekend ). But anyway, onto what I came to talk about... Would anyone know of some good exposures of Late Cretaceous chalk in Canada or USA? I'm thinking specifically about Campanian chalk or, even better, Maastrichtian chalk.. It would be great if the exposed chalk is very fossiliferous, of course. Thanks for any help! -Christian- 17 replies
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Hello, I went on a walk a few days ago to the local chalk pit and of course couldn't resist spending a few minutes scouting for fossils. This is one of two specimens that I found, the other being a shell fragment. At first I thought the pattern might be formed by ice but I wasn't convinced and kept searching, managing to recover two other small pieces. My suspicion of it not being ice related was confirmed when at the bottom of the slope I found the more complete counter slab, with a layer of ice still covering part of the fossil. Needless to say this made for cold hands on the walk back but I wasn't going to leave it. And an enhanced version of the positive using RTI. If I had to guess what it is I would say bryozoan but I haven't hunted the chalk much before and don't know. The fossil comes from the Upper Chalk and is Turonian in age. Hopefully someone has a better idea what I've brought back. Thank you, Benton
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2020 - a year in review - part two - my best finds of the year - Echinoids
elcoincoin posted a topic in Fossil Hunting Trips
Initially, this summer we had planned to spend a week in the eastern part of France, but despite there was no official lockdown at the time and since the area had been badly strike by the pandemy, we decided to postpone that trip. Instead we organised a 4 days trip along the cliffs of Normandy. The first day we aimed to "Cap de La Hève " near Le Havre. The rocks are from the cenomanian We didnt find that much, but all in all we still managed to grab a few nice echinoids and brachiopods. Some samples of the very small Discoides subuculus (1 cm for the biggest) : A totally sweet Tetragramma variolare : A complete Cidaris was also found on this day but i dont have a picture. On day two we headed a bit further north/east: Saint Jouin de Bruneval, still cenomanian cliffs. On that day we just did great A sweet echinoids association Conulus castanea and Tetragramma variolare The small echinoid Cottaldia benettiae (1cm ) A fair amount of Crassiholaster subglobosus We also found some Holaster sp and also more Discoides subuculus. To be continued- 7 replies
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Hello, I found this inside a loose chalk boulder on the Eastbourne shore. Based on the colour of the chalk it appeared to be from the upper cliff levels, perhaps cretaceous levels.
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Image taken in cross polarised light using an oil-immersion objective lens at 1000x magnification. One of the smallest fossils ever posted on TFF.
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Hi, sorry i know nothing about fossils but found this curious round egg-shaped thing inside chalk near Beachy Head, Eastbourne, UK. The nearby clay had some similar round dark brown items inside. Any ideas what this is?
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