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  1. I have got an ammonite with an old collection, but, where does it come from and whats the name...? I am sure it is a middle european one, france or southern germany. And think I have seen one like this many years ago, but..., forgot the name (might be something like Hecticoceras, but it does not fit perfect). Might be someone can support with the determination, this would really help a lot. thanks!
  2. rocket

    Macrocephalites_Muehlenberg_H

    In 1975 it was possible to dig in middle jurassic sediments in the center of Hannover-Mühlenberg. During the construction of a subway, rocks from the Middle Dogger were tapped. There were many fossils to be found like this very beautiful 8 cm Macrocephalites macrocephalus. Perfect condition

    © fossils worldwide

  3. rocket

    4453_Parkinsonia_bomfordi

    Parkinsonia bomfordi (ARKELL) from middle Jurassic of Greding / Bavaria. Nice and rare 11 cm (approx. 4.3") Ammonit in great conservation

    © fossilsworldwide

  4. Last sunday October 24th I decided to visit the old Andil clay quarry at Liesberg in Switzerland, just over two hours driving from where I live, to see what fossils I might find there. Now a nature reserve where collecting is tolerated as long as the natural parts are not disturbed, the deposits at this quarry, mined for cement production between 1934 and 1980, date to the Upper Callovian and Lower to Middle Oxfordian (source). It is thus stratigraphically - though not petrologically - comparable to the geology of Vaches Noires in Normandy, with which I'm much more familiar, albeit with the interesting variation that the bedding planes at this site have been uplifted and verticalised. The latter makes for an unusual experience working the mudstone layers in the middle of the quarry, and means that the oldest layers are to be found along the quarry's south wall (to the left if facing the quarry's back wall), whereas the youngest layers - most notably the Liesberg-layer, which geological limestone composition and embedded fauna of shells, sea urchins and crinoids is strikingly comparable to the Middle Oxfordian Coral Raq at Vaches Noires - are to be found on the north wall (to your right). A situational satellite map from Google Maps A commercial example of a beautiful Kosmoceras annulatum ammonite found in the quarry's Callovian layers Seen from the parking spot at the quarry entrance near the top of the mountain The buildings of the old quarry when you walk down from the parking spot to the quarry along a road with restricted access Entrance to the quarry with an informational sign explaining the geological significance of the locality, as well as tells you not to get your hopes up, as most fossils you're likely to find will be steinkern-fossils Spill heaps along the north wall, with the back wall in the distance, and a sign explaining the importance of the locality as a nature reserve The path to the back wall of the quarry can be extremely muddy, and searching for fossils along the quarry's steep slopes is an activity undertaken at your own risk Due to circumstances I arrived quite late in the day and only had a number of hours to search. However, I quickly concluded that the south wall (Callovian layers) and even the mudstone in the middle of the quarry (Lower Oxfordian) were not particularly fossiliferous, with a couple of hours of work only resulting in a corroded pyritised ammonite and a tiny fossil that may either be a crustacean or part of a sea urchin spine (if you know, please let me know). I did not find any fossils on the south wall, although the information sign at the entrance to the quarry had already forewarned that most of the fossils encountered would be steinkern fossils. I later picked up from a discussion between a solitary fossil hunter and another group of collectors, however, that this solitary hunter had found an ammonite towards the top of the Callovian slope two weeks earlier and had returned to collect it, only to find it gone. He hadn't found any new specimens, however. Interestingly, while the quarry was quite calm with only one or two other collectors for most of my time there, by the time I got ready to leave (around 17:30), the place all of a sudden became abuzz with groups of other fossil hunters. Vertical bedding planes at the quarry and the two finds I made in the Renggeri clays: a heavily corroded pyritised ammonite and an unidentified fossil that may be either a bit of crinoid, or may be crustacean? Following my lack of results (did I give up too early?) in the older layers of the quarry, one of my fellow fossil hunters suggested I check the quarry's northern slopes/spoil heaps, as there were plenty of smaller fossils to be found there. And, indeed, as soon as I stepped on these slopes I was able to pick up spine after sea urchin spine, stems and branches or crinoids, serpulids and even the occasional shell. The slopes were steep and it was hard to find a foothold, but at least I didn't have to return home empty handed. Looking back through the quarry from the spill heaps along the north wall Can you spot the fossils amongst the limestone blocks from (presumably) the Liesberg-layer? Looking at the south wall from the spill heaps Beautiful lighting when returning back to the car towards the end of the day Here are some of my finds of that day. Paracidaris florigemma echinoid/sea urchin spines; much more common and of better quality than I've found at Vaches Noires Millecrinus horridus crinoid/sea lily stem (left) and arm (right) segments Millecrinus horridus holdfast/root system (a special find for me) that I entered into Find of the Month contest Serpulid worm tubes (left) and evidence for parasitism on crinoids (right) Echinoids/sea urchins: a partial in matrix on the left and crushed and silicified specimens on the right Shells, from left to right: fragment of trigoniidae indet. (?Myophorella sp.), Galliennithyris galliennei brachiopod and a piece of an unidentified clam Section of horn coral
  5. Day One ; Locality Three. Midelt 19th February 2019 The Berber nomads are hospitable, generous and very tough : The snow disappears soon after you get onto the High Plains between the Middle and High Atlas ranges. Here are the High Atlas looming in the distance : As one approaches the town of Midelt, the layered geology of what is mostly Dogger, the old name for the Middle Jurassic, still used here, becomes clear : Midelt is full of fossil shops, however most of the fossils, including a kazillion trilobites, actually come from elsewhere. Jurassic ammonites may be from here, and many of the small cut and polished ammonites are from around here, but Midelt is most famous for its minerals, vanadinite especially. Also lead ores, barite and flourite. Top Tip : Don't buy fossils in Midelt unless it's a cut and polished small ammonite you want. Minerals, yes, many are beautiful and very cheap. Hmm, this looks interesting................. "Stop the car!"
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