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Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])
Barrelcactusaddict posted a gallery image in Plants
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](//content.invisioncic.com/e327962/monthly_2024_05/small.inbound3697056376594445903.jpg.c263b7fda7f27e3360f11d74f10b5dc9.jpg)
From the album: Fossil Amber and Copal: Worldwide Localities
Rovno Amber Rivne Region, Rivne Oblast, Ukraine Obukhov Fm., Mezhigorje Fm. (37.71-28.1 Ma) Weight: 115.0 g Dimensions: 10.0 x 7.2 x 3.3 cm Unfortunately, the market tends to label no distinction between Rovno and Baltic ambers, and while the two do share similarities in probable botanical source, physical and chemical properties, and age, Rovno amber differs in that: • The amber forests had a distinct and more southerly geographical origin, and formed in a warmer, more arid paleoenvironment. • Most deposits are believed to be autochthonous (i.e., have not been naturally redeposited/reworked over time). • Its known assemblage of arthropod inclusions differs slightly. Using SiC sandpaper, I worked from 240 (U.S. Standard Grit Size) to 3,000, and achieved a high polish with chromium oxide (ZAM compound) on a Selvyt microfiber cloth. Aside from shaping the piece with a Dremel tool in preparation for sanding, the entire process was performed manually and took about 5 hours to complete. Also shown is the amber's fluorescent response under 365 nanometer (long wave) UV light. Numerous bubbles (mostly two-phase "enhydros") and botanical detritus inclusions are densely scattered throughout the specimen, and there are no arthropod inclusions. *Note: Some of my photos from previous years describing Rovno amber have an incorrect age range listed; the several photos associated with this specimen show the correct data.© Kaegen Lau
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Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])
Barrelcactusaddict posted a gallery image in Plants
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](//content.invisioncic.com/e327962/monthly_2024_05/small.inbound4531238379022136097.jpg.2ad063be21f844fffcb7991bb49abaef.jpg)
From the album: Fossil Amber and Copal: Worldwide Localities
Rovno Amber Rivne Region, Rivne Oblast, Ukraine Obukhov Fm., Mezhigorje Fm. (37.71-28.1 Ma) Weight: 115.0 g Dimensions: 10.0 x 7.2 x 3.3 cm Unfortunately, the market tends to label no distinction between Rovno and Baltic ambers, and while the two do share similarities in probable botanical source, physical and chemical properties, and age, Rovno amber differs in that: • The amber forests had a distinct and more southerly geographical origin, and formed in a warmer, more arid paleoenvironment. • Most deposits are believed to be autochthonous (i.e., have not been naturally redeposited/reworked over time). • Its known assemblage of arthropod inclusions differs slightly. Using SiC sandpaper, I worked from 240 (U.S. Standard Grit Size) to 3,000, and achieved a high polish with chromium oxide (ZAM compound) on a Selvyt microfiber cloth. Aside from shaping the piece with a Dremel tool in preparation for sanding, the entire process was performed manually and took about 5 hours to complete. Also shown is the amber's fluorescent response under 365 nanometer (long wave) UV light. Numerous bubbles (mostly two-phase "enhydros") and botanical detritus inclusions are densely scattered throughout the specimen, and there are no arthropod inclusions. *Note: Some of my photos from previous years describing Rovno amber have an incorrect age range listed; the several photos associated with this specimen show the correct data.© Kaegen Lau
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Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])
Barrelcactusaddict posted a gallery image in Plants
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](//content.invisioncic.com/e327962/monthly_2024_05/small.inbound1463387390860234389.jpg.93839281ca8630a2f89470706736f659.jpg)
From the album: Fossil Amber and Copal: Worldwide Localities
Rovno Amber Rivne Region, Rivne Oblast, Ukraine Obukhov Fm., Mezhigorje Fm. (37.71-28.1 Ma) Weight: 115.0 g Dimensions: 10.0 x 7.2 x 3.3 cm Unfortunately, the market tends to label no distinction between Rovno and Baltic ambers, and while the two do share similarities in probable botanical source, physical and chemical properties, and age, Rovno amber differs in that: • The amber forests had a distinct and more southerly geographical origin, and formed in a warmer, more arid paleoenvironment. • Most deposits are believed to be autochthonous (i.e., have not been naturally redeposited/reworked over time). • Its known assemblage of arthropod inclusions differs slightly. Using SiC sandpaper, I worked from 240 (U.S. Standard Grit Size) to 3,000, and achieved a high polish with chromium oxide (ZAM compound) on a Selvyt microfiber cloth. Aside from shaping the piece with a Dremel tool in preparation for sanding, the entire process was performed manually and took about 5 hours to complete. Also shown is the amber's fluorescent response under 365 nanometer (long wave) UV light. Numerous bubbles (mostly two-phase "enhydros") and botanical detritus inclusions are densely scattered throughout the specimen, and there are no arthropod inclusions. *Note: Some of my photos from previous years describing Rovno amber have an incorrect age range listed; the several photos associated with this specimen show the correct data.© Kaegen Lau
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Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])
Barrelcactusaddict posted a gallery image in Plants
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](//content.invisioncic.com/e327962/monthly_2024_05/small.inbound3548950573016525363.jpg.afc48a6c6fbc463483b76a392553e5f5.jpg)
From the album: Fossil Amber and Copal: Worldwide Localities
Rovno Amber Rivne Region, Rivne Oblast, Ukraine Obukhov Fm., Mezhigorje Fm. (37.71-28.1 Ma) Weight: 127.7 g Dimensions: 10.4 x 7.6 x 3.5 cm Unfortunately, the market tends to label no distinction between Rovno and Baltic ambers, and while the two do share similarities in probable botanical source, physical and chemical properties, and age, Rovno amber differs in that: • The amber forests had a distinct and more southerly geographical origin, and formed in a warmer, more arid paleoenvironment. • Most deposits are believed to be autochthonous (i.e., have not been naturally redeposited/reworked over time). • Its known assemblage of arthropod inclusions differs slightly. Using SiC sandpaper, I worked from 240 (U.S. Standard Grit Size) to 3,000, and achieved a high polish with chromium oxide (ZAM compound) on a Selvyt microfiber cloth. Aside from shaping the piece with a Dremel tool in preparation for sanding, the entire process was performed manually and took about 5 hours to complete. Also shown is the amber's fluorescent response under 365 nanometer (long wave) UV light. Numerous bubbles (mostly two-phase "enhydros") and botanical detritus inclusions are densely scattered throughout the specimen, and there are no arthropod inclusions. *Note: Some of my photos from previous years describing Rovno amber have an incorrect age range listed; the several photos associated with this specimen show the correct data.© Kaegen Lau
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Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])
Barrelcactusaddict posted a gallery image in Plants
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](//content.invisioncic.com/e327962/monthly_2024_05/small.inbound4512918569840354756.jpg.b5a5eeecd0b980cb832de28971fe276e.jpg)
From the album: Fossil Amber and Copal: Worldwide Localities
Rovno Amber Rivne Region, Rivne Oblast, Ukraine Obukhov Fm., Mezhigorje Fm. (37.71-28.1 Ma) Weight: 127.7 g Dimensions: 10.4 x 7.6 x 3.5 cm Unfortunately, the market tends to label no distinction between Rovno and Baltic ambers, and while the two do share similarities in probable botanical source, physical and chemical properties, and age, Rovno amber differs in that: • The amber forests had a distinct and more southerly geographical origin, and formed in a warmer, more arid paleoenvironment. • Most deposits are believed to be autochthonous (i.e., have not been naturally redeposited/reworked over time). • Its known assemblage of arthropod inclusions differs slightly. Using SiC sandpaper, I worked from 240 (U.S. Standard Grit Size) to 3,000, and achieved a high polish with chromium oxide (ZAM compound) on a Selvyt microfiber cloth. Aside from shaping the piece with a Dremel tool in preparation for sanding, the entire process was performed manually and took about 5 hours to complete. Also shown is the amber's fluorescent response under 365 nanometer (long wave) UV light. Numerous bubbles (mostly two-phase "enhydros") and botanical detritus inclusions are densely scattered throughout the specimen, and there are no arthropod inclusions. *Note: Some of my photos from previous years describing Rovno amber have an incorrect age range listed; the several photos associated with this specimen show the correct data.© Kaegen Lau
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Hello to all. The Acastella trilobite from my own collection. Well preserved. I tried to get close-ups of the eyes and some small details. Place of discovery: outskirts of the city of Kamenets-Podolsky, Khmelnitsky region of Ukraine. It was not possible to determine the exact age (Silurian or Devonian). Have a nice day 1.mp4 3.mp4 4.mp4
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Hello to all. Found this sample few years ago. The age of it is the Kasimovian stage of the Carboniferous period (307 Ma). Have a nice evening 1.mp4 6.mp4 7.mp4 8.mp4
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- 6
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- carboniferous
- crinoid
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Hello! Help, please, to identify one old find tooth. Scale in mm, so height ~ 4 mm Western Ukraine. Age: Eocene. Thanks in advance!
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From the album: Fossil Collection: DC Area and Beyond
Vendotaenia antiqua Khmelnytskyi Oblast, Ukraine Studenytsia Formation Ediacaran -
From the album: Fossil Collection: DC Area and Beyond
Beltanelliformis brunsae Khmelnytskyi Oblast, Ukraine Studenytsia Formation Ediacaran -
Volyno-Podillya Ukraine Location Khmelnytsky region Era Paleozoic Period Silurian Sea scorpion. Is it real?
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- 3
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- eurypterus
- sea scorpion
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Hello to all. Photos from several trips of the past years. Probably, the age of these finds is the Kasimovian stage of the Carboniferous period (307 Ma). Despite the fact that many fragments of the crinoids lie on a large area, whole lilies were found only in a small "lens" about 7 * 7 meters in size. Finds from this lens are in the second part of the publication.
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- 10
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- carboniferous
- crinoids
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Hi guys, i've receiced those ammonites from @Svetlana, they are sinemurian. I tried.to figure out what species they are. Note that the carena is well marked for all of them and they all show costulations. For that first one i found nothing but Oxynoticeras or Asteroceras, i'm absolutely not satisfied about that. For the second one i've found Echioceras rhodanicum And for the third one Orthechioceras maybe cf. viticola
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- 4
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- ammonite
- sinemurian
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From the album: My Echinoid Collection
Ova sp. Mykolaiv Sands, Fore-Carpathian Depression Middle Miocene (16-11 Ma) Gleboviti Locality, Roztocze Hills, Ivano-Frankivsk Oblast, Ukraine Acquired from online, August 2023 I had previously identified these as Schizaster sp., but I realized a short while later that the larger specimen only has two large gonopores, and while the one in matrix has an incomplete apical disc, it looks as if it may have those same two large gonopores. Therefore I'll consider them Ova sp. for now, the larger one seems to have the complete lateroanal fasciole from what little I can see. These come from the same beds that have plentiful spine-coated Echinocardium leopolitanum. One specimen has some spine preservation on the oral surface, while the other one in matrix has some spines along the anterior edge, as well as seemingly on much of the oral surface as well, based on a small crevice located in the sandstone that exposes some of them. -
From the album: My Echinoid Collection
Psammechinus dubius Ternopil Beds, East European Platform Middle Miocene (16-11 Ma) Bliche-Zolote, Chortkiv Raion, Ternopil Oblast, Ukraine Acquired from online, August 2023 -
From the album: My Echinoid Collection
Echinolampas sp. Ternopil Beds, East European Platform(?) Middle Miocene (16-11 Ma) Unknown Oblast, Ukraine Acquired from online, August 23 My source on Ukrainian echinoids had no info on this specimen other than it seemingly came from the Ternopil Beds, and I have not found any reliable source of information online as to what species this could be. The only thing I could find was a mention of a different undescribed specimen of Echinolampas; however, it was very rounded (not unlike the Oligocene Echinolampas aldrichi from North Carolina), and not laterally compressed and elongated like this one. I wonder if this is a different undescribed species from that one. It measures around 6.6 cm (2.6 inches) long, and around 4.4 cm (1.725 inches) wide. The oral surface is depressed slightly inwards towards the peristome. It seems that the oral surface was prepared with vinegar due to a faint smell, although fortunately it doesn't seem to have suffered much acidic damage. -
From the album: My Echinoid Collection
Brissus unicolor Ternopil Beds, East European Platform Middle Miocene (16-11 Ma) Bliche-Zolote, Chortkiv Raion, Ternopil Oblast, Ukraine Acquired from online, August 2023 -
Hello to all. Please help me identify this branch. It was found on the banks of the Kremenchug reservoir in Ukraine. This is a large reservoir, which is adjacent to three regions. It is difficult to determine the age - water erodes the layers from the Neogene period to the Jurassic. Thank you!
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Please tell me if this broken tooth belongs to a hyena and which one? I've heard speculation that it's Adcrocuta sp., maybe A.eximia. It comes from Ukraine, Zaporizhzhia region, Neogene sediments. Thank you!
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From the album: Lower Devonian fossils
Cephalaspid tail segment Unknown species Lower Devonian Podolia Ukraine- 1 comment
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- agnathan
- cephalaspid
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From the album: My Echinoid Collection
Parascutella gibbercula Ternopil Beds, East European Platform Middle Miocene (16-11 Ma) Stare Porichchya, Kolomyia Raion, Khmelnytskyi Oblast, Ukraine Acquired from online, July 2023 While most of the Parascutella gibbercula I've received come from the Ternopil Oblast, according to my source of them these detailed, "textured" specimens come from the Khmelnytskyi Oblast instead. This is probably my most detailed one I've acquired to date. -
Hunting trip for Sinemurian ammonites (Transcarpathian region, Ukraine)
Svetlana posted a topic in Fossil Hunting Trips
Hello to all. Some photos from a recent trip.
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The Presence or Absence of Lateral Denticulations on the Pygidium of Acastella tiro
Isotelus2883 posted a topic in Fossil ID
In connection to a school project, I asked my dad if he could buy me this representative trilobite of Ukraine, as I wrote a little bit on the trilobites of the Silurian-Devonian boundary there. The problem is that the label is probably wrong as Acastella is not found in the Lower Silurian, and searches of the locality in which the trilobite was supposedly found had no results. I think it is much more likely that the trilobite was found in the Borschiv Horizon, around Podolia, as the shell preservation and trilobite looks similar. The question I have though, is: does Acastella tiro have denticulations on its pygidium, or is that A. heberti? A paper on the trilobites of the Iberian Chains says that A. tiro has denticulations on its pygidium, yet a paper on the trilobites of Arctic North America says that is distinct to A. heberti. I would greatly appreciate any information. 1. Acastella tiro and A. heberti form the Iberian Chain 2. From North America 3. My own little specimen, which I am unsure of what species it is.
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Please tell me what brachiopods are on this sample from Chortkiv district, Ternopil region of Ukraine? Devonian age. Large ones look like a spiriferid. Scale - 11 cm along the long dimension. Thank you!
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From the album: Lower Devonian fossils
Kujdanowiaspis sp. and possibly Erikaspis zychi Skull roofs of actinolepid placoderms Lower Devonian Podolia Ukraine
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](http://content.invisioncic.com/e327962/monthly_2024_05/small.inbound3697056376594445903.jpg.c263b7fda7f27e3360f11d74f10b5dc9.jpg)
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](http://content.invisioncic.com/e327962/monthly_2024_05/small.inbound4531238379022136097.jpg.2ad063be21f844fffcb7991bb49abaef.jpg)
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](http://content.invisioncic.com/e327962/monthly_2024_05/small.inbound1463387390860234389.jpg.93839281ca8630a2f89470706736f659.jpg)
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](http://content.invisioncic.com/e327962/monthly_2024_05/small.inbound3548950573016525363.jpg.afc48a6c6fbc463483b76a392553e5f5.jpg)
![Rovno Amber (Obukhov Fm., Mezhigorje Fm. [37.71-28.1 Ma])](http://content.invisioncic.com/e327962/monthly_2024_05/small.inbound4512918569840354756.jpg.b5a5eeecd0b980cb832de28971fe276e.jpg)
