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River Bend Formation Finds; Echinoids, Bryzoans, Teeth, Pectens

sixgill pete

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sixgill pete Regular Member

sixgill pete

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These items were found yesterday at the bottom of a quarry in the base sands of the River Bend Formation, early Oligocene in eastern N.C. These items came directly from the sands, no other sediments present, so they can be confirmed as from the River Bend Formation.

Teeth, both Abdounia furimskyi around 6 mm ....

post-4130-0-07207600-1414422842_thumb.jpg post-4130-0-34869000-1414422848_thumb.jpg

post-4130-0-25394900-1414422854_thumb.jpg post-4130-0-15526500-1414422861_thumb.jpg

Echinoid Psammechinus carolinensis, these are small regular echinoids, smallest one here is about 5mm largest I found is 1/2 inch

post-4130-0-08037700-1414422989_thumb.jpg post-4130-0-86742800-1414422982_thumb.jpg

post-4130-0-86589500-1414422975_thumb.jpg post-4130-0-45876200-1414422967_thumb.jpg

post-4130-0-57403900-1414422958_thumb.jpg

Pectens 5/8 inch ... post-4130-0-07554400-1414423052_thumb.jpg post-4130-0-04586500-1414423060_thumb.jpg

Psammechinus carolinensis with encrusting bryzoan ...... post-4130-0-66507400-1414423097_thumb.jpg

post-4130-0-07403200-1414423108_thumb.jpg

Edited by sixgill pete

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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sixgill pete Regular Member

sixgill pete

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crab claw, well worn about 3/4 inch ..... post-4130-0-27086300-1414423225_thumb.jpg

Bryzoan, Meandropora cf. cerebriformis ........ post-4130-0-86924100-1414423218_thumb.jpg

another bryzoan encrusted P. carolinensis ..... post-4130-0-25151600-1414423236_thumb.jpg

broken P. carolinensis with pecten attached ...... post-4130-0-36394200-1414423258_thumb.jpg

bryzoan encrusted barnacle ... at least that is what I think is encrusted ..... post-4130-0-75192300-1414423241_thumb.jpg

post-4130-0-45703200-1414423250_thumb.jpg

I have a few other items to photograph. A vert I think is ray, a piece of ray tooth among others.

Edited by sixgill pete

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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JohnJ Regular Member

JohnJ

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It's a small world.... Very interesting finds, Don. I'm partial to the echinoid. :D I know how tough it is to photograph them when they are that small.

The human mind has the ability to believe anything is true.  -  JJ

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sixgill pete Regular Member

sixgill pete

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John, they are tough to photograph. But, I have found it easier since I bought my scope with a 2 megapixel camera. Looking for them in that very very fine white sand is not easy on the eyes either. :blink:

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Fossildude19 Regular Member

Fossildude19

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Great finds, Don.

Thanks for sharing your micro adventures with us.

Regards,

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."
John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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John Hamilton Regular Member

John Hamilton

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Don,

Those are some nice finds! I'll have to make sure I spend some time in the pit next time I go.

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fossilized6s Regular Member

fossilized6s

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Nice finds Don! I see your microscope camera is working well for you. Great pics!

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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RickNC Regular Member

RickNC

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You're right they were hard to see but once I found one it became much easier. I'll have to look again but I think the shark tooth I found in that stuff may be the same as those you have there only with a damaged root.

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sixgill pete Regular Member

sixgill pete

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Hey everyone, I just realized I misspelled pecten in my title and throughout. OOPS!!!

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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JohnJ Regular Member

JohnJ

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Hey everyone, I just realized I misspelled pecten in my title and throughout. OOPS!!!

No worries. ;)

The human mind has the ability to believe anything is true.  -  JJ

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Al Dente Regular Member

Al Dente

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Nice finds. The teeth have been moved from Negaprion to Abdounia so they are now Abdounia furimskyi. Did you find any Squatina teeth? They are fairly common in the sand. You can also find Echinocyamus wilsoni by fine screening the sand.

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sixgill pete Regular Member

sixgill pete

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Rick the "sponge" is actually a bryzoa, the one I ID'd as Meandropora cf. cerebriformis.

Tim, Charlie, Ryan and Lisa. Thank you!! And Charlie, yes I am very pleased with how my scope camera is working.

John, I would highly recomend it.

Eric, unfortunately I did not have a fine sifter with me, but I will next time. I did not find any Squatina teeth, but I think the tooth Rick found is one.Also thanns for the update on the teeth I posted.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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sixgill pete Regular Member

sixgill pete

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really like the associations Don, nice pics!

Thanks Don. Do you have the id on these pectens? I have not been able to find it.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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sixgill pete Regular Member

sixgill pete

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Here are a few more things from the sand.

Vert. about 7mm accross. I at first was thinking ray, but not so sure. Any thoughts? It is pretty worn.

post-4130-0-45541700-1414530438_thumb.jpg post-4130-0-17100900-1414530431_thumb.jpg post-4130-0-38644400-1414530424_thumb.jpg

Ray tooth frag, 3/8 inch ...... post-4130-0-66909100-1414530502_thumb.jpg post-4130-0-55580800-1414530512_thumb.jpg

and a barnacle plate, small about 7/8 inch across ...... post-4130-0-06589100-1414530546_thumb.jpg

and a close up of one of the barnacles. Any thoughts on an ID? .. post-4130-0-94875500-1414530552_thumb.jpg

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Plax Regular Member

Plax

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Thanks Don. Do you have the id on these pectens? I have not been able to find it.

http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=17003

but may be something else, do you have Ward's Belgrade quarry section? It's in Ward's VMNH pub from '92. It shows the section and fossils found at various levels and lithologies. Note that the Belgrade was considered early Miocene at the time.

We always called it Rebeccapecten but never a particular species. Googling Pecten trentensis shows a few similar images.

Edited by Plax
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LoneRanger Regular Member

LoneRanger

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Great photos, Don. The tiny silica/quartz crystals covering the surface of the fossils makes them even more interesting to me. There are also a few dark black crystals on the surface -- wonder what mineral these are.

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sixgill pete Regular Member

sixgill pete

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No, I don't have Wards Belgrade section. I have Gerry Cases on the River Bend ( he considered the River Bend Miocene at the time also)

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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sixgill pete Regular Member

sixgill pete

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Great photos, Don. The tiny silica/quartz crystals covering the surface of the fossils makes them even more interesting to me. There are also a few dark black crystals on the surface -- wonder what mineral these are.

The black, I believe are minute pieces of phosphate. But That is not for sure.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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jcbshark Regular Member

jcbshark

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Great stuff Don, I really like the salt and pepper look on a lot of your finds! :1-SlapHands_zpsbb015b76:

Every once in a great while it's not just a big rock down there!

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sixgill pete Regular Member

sixgill pete

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Thanks Jeff. It does look pretty cool in the pictures.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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