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Showing results for tags 'bajocian'.
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Lincolnshire Limestone, Oolite Group, Middle Jurassic, Bajocian Im not sure what to make of this, was thinking maybe fish fragment. Particularly puzzled by the circular pattern. I've dampened it with water to help it show more clearly in the photo. Scale is mm.
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Our Moroccan trip from 19th-23rd February 2019. Day One; Locality One IFRANE Here we are near Ifrane, a village built by the French in the 1930's in a Swiss chalet style so there are pointy roofs instead of the usual traditional flat roofs of Moroccan buildings. This is wifey and Anouar, a Moroccan tour guide, old friend and one time student of English, his brother, our driver Abdullah, is taking the photo. Anouar paid for the trip, accommodation and food in return for me teaching him a little about the fossils, crystals and minerals that we encountered. The trip was mainly an exploratory voyage for me to discover where was worth revisiting when i was alone and had more time to spare. Somewhere in this area are outcrops of Pleinsbachian (stage of the Liassic/ Lower Jurassic) rocks that are stuffed with terebratulid brachiopods including more than a dozen species and subspecies that were first described from this locality, many unique to the site. Unfortunately, it's well off the beaten track, but I think i know roughly where now, so will return another day. Not time today! The area is covered in loose rocks, ploughed up in fields and roadbuilding, eroded from outliers or washed into the area in the autumn rainy season floods or spring melts. The ones behind us look Middle Jurassic to me, yellowish limestones, some with iron staining. Upper Jurassic and Cretaceous rocks are also in the region. The high ridges in the background are basalt intrusions as the Atlas mountains were formed as Africa began to collide with Europe throughout the Palaoegene and Neogene and this resulted in a lot of volcanoes. We moved on north of the village and stopped where we saw a group of the local fossil huts. These are all year round businesses, but in the season, from May til October you will find little stalls selling local fossils and minerals all the way along the route through the Atlas Mountains to the Sahara. But the temporary stalls are all closed at this time of year, as it's pretty chilly and there are few tourists. Top Tip : Always pop into a couple of different shops and check out prices. Tell the next shopkeeper how much the previous one had stated and see if they'll undercut for a similar item. Always, always haggle! Top Tip : Ask which fossils and crystals are local if you don't know already; most of the shops in Morocco have local fossils and others from all over the country. Local fossils will usually be much cheaper, wait until you get nearer to the localities of other fossils and see the prices come down! Top Tip : If you have the time, ask the purveyors of local fossils to show you where they came from. Then go and have a look. They don't mind this at all.
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- bajocian
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This Emileia contrahens ammonite is one of my all-time favorites from the fauna out of the Early Bajocian. It was found in the Laeviuscula zone in the region around Sherborne, Dorset, GB. I recieved it unprepped along with some other raw material from a befriended British paleontologist who gave me the samples in exchange for some prep work which I was doing for him at the time. I figured I'd turn this into my next sketching project. The small ammo on the matrix at the bottom is an Euhoploceras modestum. And here's the original photo for comparison.
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This time around I chose another of my favorite Ammonites from Dorset for the model. It's a Shirbuirnia trigonalis from the Early Bajocian laeviuscula zone from Sherborne, Dorset. This took a while trying to get all the sutures right.
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From the album: Sketches
The original is from the laeviuscula zone, trigonalis subzone of the Middle Jurassic Early Bajocian at Sherborne, Dorser, GB. -
From the album: Sketches
This Emileia contrahens ammonite is one of my all-time favorites from the fauna out of the Early Bajocian. It was found in the Laeviuscula zone in the region around Sherborne, Dorset, GB. I recieved it unprepped along with some other raw material from a befriended British paleontologist who gave me the samples in exchange for some prep work which I was doing for him at the time. The small ammo on the matrix at the bottom is an Euhoploceras modestum. -
This little fellow ( ø 4.5cm.) won a couple of prizes here a few years back, so I figured it was time to duplicate him on paper. It's a complete male microconch specimen to the species called Stephanoceras and has its own name as a sub-species thereof: Normannites sp. The "ears", a characteristic which many male ammonites wear, are called lappets and there are a number of theories which try to explain their existence which I won't go into here.
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From the album: Sketches
ø 4.5cm. Male microconch to its macroconch Stephanoceras. Found a few years back in Canton Baselland in Switzerland. Middle Jurassic Bajocian humphriesianum zone.-
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From the album: German Gastropods and Bivalves
11x8cm. Humphriesianum zone, Bajocian, Middle Jurassic. Found on a field near Oefingen, B.-W., Germany. -
From the album: Sketches
The original comes from the Middle Jurassic Bajocian humphriesianum zone near Ruenenberg, Canton Basil, Switzerland.-
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From the album: Sketches
The original was found on a field near Geisingen, Baden Wuerttemberg, Germany which exposes the Middle Jurassic Bajocian humphriesianum zone.-
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This time I chose a Stephanoceras humphriesianum from the Swiss Middle Jurassic. Didn't quite get the proportions right this time. The thing has so many ribs that I kept on losing my orientation and missed out on a couple and rotated it all a bit. But at least it looks ok, despite the fact that I didn't manage to copy it perfectly.
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Parkinsonia (Parkinsonia) bomfordi (Arkell 1956)
Ludwigia posted a gallery image in Member Collections
From the album: Middle Jurassic Ammonites from Southern Germany
9.5cm. From the upper Bajocian at Sengenthal, Bavaria. -
From the album: Middle Jurassic Ammonites from Southern Germany
Late Bajocian. garantiana zone. Found on a field near Geisingen, Baden-Wuerttemberg -
From the southern edge of the Sierra de la Demanda.
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Phlycticeras aenigmaticum (Fernández-López 1985)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
ø 4cm. garantiana zone Late Bajocian Middle Jurassic Location: Aldea del Pinar, Hontoria, Asturias, Spain Junior Synonym: Melendezia -
Junior synonym: Melendezia
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Bajocisphinctes bajociensis (Siemiradzki 1899)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
ø 7cm. Late Bajocian Middle Jurassic Location: Aldea del Pinar, Hontoria, Asturias, Spain -
From the album: Cephalopods Worldwide
ø 3.5cm. Late Bajocian Middle Jurassic Location: Aldea del Pinar, Hontoria, Asturias, Spain -
From the album: Middle Jurassic Ammonites from Southern Germany
8cm. Found in the Discites Zone, Lower Bajocian, Middle Jurassic layers in the Wutach area. -
Hi all, Last part of my finds of the year. In autumn, between lockdown 1 & and lockdown 2, we managed another 3 days hunts. First day was spent in our usual trilobites spot, which happened to be on the way to our main destination this time. You have already seen in my first part some of the trilos we did find on that day, which was a rather good one for me. Day two was spent in Nanteuil quarry not far from Niort. the quarry got mostly bajocian and aalenian. the aalenian is on the "ground of the quarry" and was mostly drown at that time of year. So Bajocian that was. An explosion had occured recently so we had quite some material to process. Most of the ammos there have no heart, which is quite frustrating, but from time to time, you can fine a pretty one. 2 finds on that day : Normannites sp ammonite A huge not yet determined nautiloid (not the usual cenoceras we find there) We kept going till 18h30 then it was time for a shower at the hotel and a meal at the restaurant. -
From the album: 2020, a year in review - 3 : cephalopods & gastropods
a Normannites ammonite from Saint-Laon (France) - Bajocian - collected in october 2020 -
From the album: Middle Jurassic Ammonites from Southern Germany
ø35cm. laeviuscula zone, Early Bajocian, Wedelsandstein Formation Found in the Wutach area With a Chlamys textoria perched at the edge of the living chamber in the photo below.-
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In the Berber language, Garsif means confluent. It is built at the confluence of three rivers. This little marvel is considered as the capital of the olive production.
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My customer/friend, let's just call him X. for now, brought me another large ammonite which he had recently pryed up for prep. He got this one out in 3 pieces, 2 of which he glued back together. The ammonite itself has a diameter of 30cm. Here's what I was faced with to begin with (Well almost. I took the pics after I had started in with the stylus.) The 1st pic shows them side by side, the 2nd in original position and the 3rd the reverse side. S. first had the wish that I remove it completely from the matrix, but I wasn't so sure about the chances of success there. For one thing, there were a lot of cavities in the phragmocone, and due to the hardness of the matrix, there was a good chance of breakage under way. There was also a heckuva lot of matrix above and below the fossil, so I knew that this was going to take a loooong time, even with the strong jack stylus. I decided to get started with the larger block and set aside the smaller one for the time being. After a few hours of plugging away with the air pen, it also became obvious that there was no proper separating layer between matrix and fossil, which made for even more time consumption and finesse. Here's how both sides looked at that point. I then decided that it was time to swap over to the air abrader, since I wasn't quite certain how the lay of the land was. There were a lot of oysters and tube worms clinging to the shell which made it difficult in some places to make a judgement as to where the ammonite shell actually started. As you can see in the next two photos, I continued on with the stylus after the abrading was done. 2nd pic in next post.
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