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Showing results for tags 'hexagonaria'.
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Found in Boone County, Missouri, USA on the Manitou Bluffs directly above the Missouri River. Please and thank you for any ID help!
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I was helping my dad do a little landscaping in Middleboro, MA. Very surprised (and confused) to dig this up! I was looking into it after I got home and if I ID'd this right I believe it's hexagonaria? I saw these are often found around Michigan. Don't know what it was doing all the way in Mass but there it was
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Fossil hunting trip to Hotton (Devonian of Belgium)
ziggycardon posted a topic in Fossil Hunting Trips
Hi everyone! Last saturday we went on a fossil hunting trip with the BVP to Hotton in the Belgian Ardennes. https://www.paleontica.org/locations/fossil/667 There were 2 different locations planned for the day, the first was the "Carrière de Marenne" quarry in Hotton were we spent most of the day. It was my first time at this location, so I didn't have very high expectations but we were very pleasantly surprised by the quality and quantity of the finds which made for a very productive and succesfull trip! Unfortunately like so often I forgot to make pictures inside the quarry... So it will mainly be a report of the finds rather than the excavation. The age of the layers date back to the Givetian stage of the middle Devonian which lasted from 388 million years ago to 383 million years ago. There were 3 spots inside the quarry were we searched for fossils. We started on the east side of the quarry where we found some weathered corals, a bivalve and some bryozoans. One of our friends was very lucky when they found a fragment of Placoderm bone.. the 2nd spot we searched was still on the east side of the Quarry but this time near the big rock outcrop which devides the quarry in two pieces. Here we all hit gold as this was a large area where it was full with weathered fossils in great condition ready to be picked up! No need for hammers here, just grabbing which was laying on the ground as it was littered with corals en brachiopods. We almost collected a bucket full from this area alone. The 3rd spot was the west side of the quarry which was divided in multiple levels. I mainly searched in a large rock pile with some others as it seems these were the remains of an ancient coral bank. We found many large corals here like Hexagonaria and Favosites as well as some nice mineral specimens to much delight of my girlfriend. Someone did do the find of the day here when he found 2 extremely large Stringocephalus brachiopods. I also went with Tom, our group leader to prospect the rest of the quarry but beside some corals I didn't find much more things of interest. At the end of the trip we were given some nice mineral specimens by Tom who found some on the lowest level of the quarry which we didn't visit ourselves. Here the only photo I made inside the quarry, were my girlfriend was building a rock fortress. (Everyone was on a one hour break due to the early summer heat) And here are our finds from inside the quarry: A large Hexagonaria sp. coral which we managed the haul home, one of the perks when you bring a wheelbarrow to a quarry! Another nice Hexagonaria sp. coral And our 3rd large piece of Hexagonaria sp. coral One of the Favosites sp. corals we brought home. Another Favosites coral An our chuncky Favosites coral A weathered Hexagonaria coral. A bivalve we found early at the beginning of the search. -
I purchased this from someone in a Detroit suburb who said she collected this herself (no further information on location). It is a mess and I cannot tell if it is truly a Hexagonaria or not. I've had several collectors from Michigan take a look at photos and we cannot come to a consensus. Does anyone have an idea on what this might be? (Sorry for no cm ruler. I've misplaced the rock somewhere.)
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No known location as this is from a rock collection I acquired. Came across another bucket of what look like corals. Here is the largest in the bucket 10 1/2" × 6" × 7". If it is Id'd as a coral I will post the rest. I think they are 6 sided so maybe a Hexagonaria? Thank you for looking.
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Fossil hunting trip to Lompret (Devonian of Belgium)
ziggycardon posted a topic in Fossil Hunting Trips
Hi everyone! Around 2 months ago on the 16th of october 2021 I went on a fossil hunting trip with the BVP to the stone quarry of Lompret in Belgium. https://www.paleontica.org/locations/fossil/654 The rocks in this quarry are Devonian in age and date back to the Frasnian (382.7 million years ago to 372.2 million years ago) with the finds mostly being from both the Neuville and Matagne Formations. According to Tom our excursion leader this quarry exists out of what used to be coral reefs and islands that formed around atolls. The fossils that you can find in this quarry are Brachiopods, Bivalves, Gastropods, Corals, Bryozoans, Cephalopods like Goniatites and Othocone Nautiloids and in very rare cases Placoderm and trilobite material (although no one was that lucky during the excursion). The quarry is also very rich in minerals like Baryte, Calcite, Quartz, Galena, Fluorite, etc... I have long looked forward to visiting this quarry, so I was very happy to finally be able to go and it did not dissapoint! It was quite foggy in the morning when we arrived which both looked eerie and cool at the same time, luckily it later cleared up! There where quite a lot of other people in the quarry (mainly people looking for minerals like Byrite and Galena) but our club headed straight to higher plateau of the quarry where some of the black Matagne Shales where with very nice Pyritized fossils and to where the waste heaps were to look for fossils. That's me looking for Brachiopods and pyritized Goniatites and Bactrites. A large Hexagonaria coral which was a little to heavy to bring home We also found some Pyrite cubes which (although very exhausting) we managed to extract- 11 replies
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I purchased this from someone who said it was a Hexagonaria coral found at the Rensselaer Quarry in Indiana and it is covered with a coating of calcite and pyrite crystals. Can anyone verify that this seems to be a correct identification?
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I purchased this from someone in India who claims it is a Hexagonaria from the US. I have severe doubts that this is true. It looks like Moroccan coral to me. I base this on Petoskey Stones are rarely agatized, the corallites seem to be larger and not as hexagonal as they should be for Hexagonaria, and Moroccan coral seems to be yellow quite often, while I have only seen a couple yellow Petoskey Stones and they both have a lot of inclusions. Does anyone have any idea whether this is Hexagonaria or not?
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I purchased this from someone in the UK who said it was Hexagonaria from Alnif, Morocco. Does anyone have any idea if this is correct?
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I purchased this from someone in the UK that said it was Hexagonaria from Ireland. Does anyone have any idea if this is true?
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I just posted on two other corals. I have several that I need help with identifying. Please forgive me for the spam. I thought it would be easier to post one or two rocks per topic rather than put them all together. I purchased this one from online from a pawn shop in Florida. They claimed it was a Hexagonaria quadrigemina. Does anyone have any idea whether this is true?
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Devonian Coral Inspiration for Van Gogh Painting?
DPS Ammonite posted a topic in Fossil Hunting Trips
I found several varieties of Devonian corals, including Pachyphyllum, Hexagonaria, Thamnopora and Alveolites near Superior, Arizona. Check out this Pachyphyllum woodmani that reminds me of the painting The Starry Night by Vincent Van Gogh. The painting also inspired a great song by Don McLean: https://m.youtube.com/watch?v=dipFMJckZOM Pachyphyllum lack common walls with their neighboring corallites. The septa grow in a curving manner towards each other meeting in a slightly irregular fashion. -
Petoskey Stones, Hexagonaria coral, from Devonian in Michigan
traveltip1 posted a topic in Fossil Hunting Trips
These are so-called Petoskey Stones, as I found them along Lake Michigan shoreline. These Devonian age Hexagonaria coral pieces should polish finely. -
We found the following in Harbor Springs, MI in July. Initially thought it might be petosky, but it’s a lot lighter in color and smaller markings. Thanks in advance!
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The rock on the right is a Petoskey stone but the rock on the left I am uncertain about. I found it in Alcona County, Michigan and it might be some sort of large celled Hexagonaria but I’m not sure. If anyone could help me identify it that would be great.
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From the album: Corals
8x7x4cm. Sötenicher Kalkmulde Middle Devon Givetian Found in the Eifel, Nordrhein-Westfalen, Germany.- 4 comments
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Two weeks ago, I visited the Carmeuse Calcite Quarry in Rogers City, Michigan (Devonian). I spent an hour trying to dig under and around this specimen. With the help of another, I was able to dislodge it. It weights about 60 pounds and the top surface measures 38 cm x 43 cm. Looks like a Hexagonaria pericarinita, though am not sure.
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Hello! I have recently acquired an air eraser to prep fossils out with, and I was just wondering how to choose an appropriate abrasive for the task. I have a few different items I would like to prep out, but most specifically are some horn corals and hexagonaria from the Devonian Coralville formation.
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Last Sunday I had the opportunity to travel to East Central Iowa to collect Devonian fossils. It was a nice foggy morning drive to the quarry. Upon approaching the quarry, there was a house burning down- a odd, surreal scene. At the bottom of the quarry could smell the smoke from the house. No pics of the quarry were permitted which is too bad as it is a geologically fascinating place. Devonian Cedar Valley formation, lower Solon exposed as well as Pennsylvanian karsts. Here are a few of my finds. Hexagonaria Trilobites. Eldredgeops peeking out from the rocks Acleistoceras sp And last, but not least, this nice crystal. Thanks for looking. Cheers
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Is there a way to prep minerals out of Petoskey stones
TheRocksWillShoutHisGlory posted a topic in Fossil Preparation
I do not do much prep work, but have begun trying to sand and polish Hexagonaria fossils (Petoskey Stones). I have run into some mineral inclusions (the brown/orange parts in the picture) which are clearly above the fossil material and I am wondering if there is a technique for removing them.- 1 reply
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