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gieserguy

Hey everybody! Welcome to my Mazon Creek thread, where I’ll be posting pictures of various Mazon Creek finds!

I’ve been hunting there for upwards of 10 years, so I have piles of uncracked nodules just waiting to be opened. So as they open, they’ll find their way here!

Feel free to jump in and add your own and keep this thread going!

And I’m sure there are many that have gone unidentified, so I’ll probably need some help from the experts!

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gieserguy

Let’s start this off with some beautiful Esexella asherae jellyfish

 

443E8318-FF0B-4BA1-B9AB-9E7B22B94B24.thumb.jpeg.0c3105312ecc284fd75f7f1e11aa1dc0.jpeg

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gieserguy

A small, but beautifully preserved Neuropteris leaf and stem piece

 

494EC822-34BF-4621-AEDB-A7E60DBC155E.thumb.jpeg.45e96f30500fc364b7303ea38cd05151.jpeg

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Tidgy's Dad
42 minutes ago, gieserguy said:

Let’s start this off with some beautiful Esexella asherae jellyfish

I love the Mazon Creek flora and fauna too! 

Here's my Essexella. 

Mazon7.thumb.jpg.53f658216c994eb3b29ceed5b3a5669b.jpg

Mazon8.jpg.478af98c9233e8f31421e659464170f6.jpg

Thanks, Ralph! @Nimravis

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gieserguy

Possibly Cyclus sp. though I’ve never been able to identify it

 

5E5FB0D6-0665-4437-BE13-9AD4F964BBD8.thumb.jpeg.ec7ebb0d0cb313265c34256a379a479e.jpeg

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Tidgy's Dad
22 minutes ago, gieserguy said:

A small, but beautifully preserved Neuropteris leaf and stem piece

Nice! :)

Here's mine, again thank you to Ralph.

Mazon2.thumb.jpg.3c4fa0d2b81f24fa89bbfb29d4399dc2.jpg

Mazon3.thumb.jpg.9f7224f4fdecb7161f7bc77cb8aa876f.jpg

 

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gieserguy

Another unidentified specimen, and I’m not even sure what phylum to start with

 

DA9629C8-BCCF-4DF7-80F8-39B6AEC29BAF.thumb.jpeg.e137b6792596f20ecd6aa8a230842300.jpeg

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gieserguy

This is an unidentied arthropod part that was identified (I know, ironic right?) by Jack Wittry several years ago, something to do with microscopic cilia or something like that...

 

FEDCFBE4-8EE2-46B9-92DE-4CB9D76D19A3.thumb.jpeg.0e3f1f89cff94608fcdcc22511d69e5a.jpeg

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Tidgy's Dad
6 minutes ago, gieserguy said:

Possibly Cyclus sp. though I’ve never been able to identify it.

Not sure, maybe another Essexella? Someone from the area may know. 

Here's my Cyclus americanus with its central ridge. 

Mazon5.thumb.jpg.c123c29d955e29d522cc388aa4ea9ce3.jpg

 

 

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gieserguy

 

8 minutes ago, Tidgy's Dad said:

Not sure, maybe another Essexella? Someone from the area may know. 

Hm, that could be true. I’m just going by the symmetrical almost-ring shape that’s present. Doesn’t necessarily rule out Cyclus obesus, though (but it’s a rare species so that’s not very likely)

 

E4478A14-E2DC-4EBD-8F79-00B66B43C662.thumb.jpeg.257073f6c00851131a96947e0064ee42.jpeg

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gieserguy

This is what I’m assuming to be an annelid. 

 

0D9640F1-9BA1-4BBC-B1EF-1411EB77370C.thumb.jpeg.5050477914eb037412f05a8f5bfa53b5.jpeg

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Bronzviking

These are interesting finds! Do you find them in dry or wet creeks? How do you split them open? I have some St Clair, PA fern fossils. Are yours similar to PA fossils? Thanks.

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gieserguy
4 minutes ago, Bronzviking said:

These are interesting finds! Do you find them in dry or wet creeks? How do you split them open? I have some St Clair, PA fern fossils. Are yours similar to PA fossils? Thanks.

We actually find them in spoil piles left over from when the area was a coal mine! We split them open with the freezing and thawing method, so just constant freezing and thawing in water to cleanly separate them along their fault. 

I’m not exactly sure how they compare since to PA ferns since I’m not familiar with them, but I’ll post some Mazon ferns soon! (Probably in a couple hours, so stay posted!)

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gieserguy

I’ll be posting more tomorrow as I got home later than expected. I’ve got a lot of material to sort through! I’ll be looking at pre-cracked and uncracked material and sorting them out and relocating them. Stay tuned!

 

5FD218D2-E5EE-4D45-B395-DB878EAAFA5A.thumb.jpeg.567db009b8e86aad990b3e84cc9e06ea.jpeg

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Macrophyseter

Do you have any Tully monsters?

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ziggycardon

I only have a nice Cyclus americanus, but I do hope to expand on Mazon Creek specimens in my collection. I find it a very interesting fossil location :) 

5cdd245baebfc_154714526022091429(8).jpg.cd0128b898c859a4548856df4c19443c.jpg

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gieserguy
10 hours ago, Macrophyseter said:

Do you have any Tully monsters?

Oh gosh I wish I did! That’s the highest on my fossil wanted list. Where we collect doesn’t seem to produce Tullies, but there’s always hope that it might be in one of those boxes...

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gieserguy

@Bronzviking order up, some plants are on the way!

(disclaimer: where we collect doesn’t seem to have many plant fossils, mostly fauna, so most/all of these were either gifted or purchased)

 

I believe this is a Pecopteris (as most are) and this was found in my great grandmothers freezer!

C429178F-CF4E-4EC3-8085-E3B1706AD52C.thumb.jpeg.738d8b0a99f0000aa61dc42d26f8fb35.jpeg

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gieserguy

E275A6D2-3F97-48F9-8509-A5144463C06A.thumb.jpeg.6026eac30cd58d3f4c70015f7b91dd5a.jpeg

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gieserguy

This is is a really unusual one, there is a fossil on both sides of this single piece!

 

02311E8C-3B59-4352-B654-6E0A1443CA74.thumb.jpeg.248b3788f4985a6d8c8a02ace6d667a4.jpeg

 

47801E32-352A-4736-8F51-CADBBCC6A3E5.thumb.jpeg.ed73a7756772f5a376e4b619a38395e7.jpeg

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gieserguy

Pecopteris

 

58F09115-96AE-4236-B79A-6F477541D782.thumb.jpeg.931c71fe8dc25109a119d2dc680fbed8.jpeg

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gieserguy

Pecopteris unita 

 

4342A029-AABE-40CF-AEC6-FF3F9823AD40.thumb.jpeg.6499ffed976f843416f325cc8e06abe1.jpeg

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gieserguy

An unknown stem

 

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gieserguy

Cordaites bark 

(the previous one is also likely Cordaites)

 

32D696A7-EF0C-46FD-8009-5686A2DD5C0D.thumb.jpeg.279a2f17bd1c52b33fadf3163d19ea87.jpeg

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gieserguy

Another possible Cordaites bark piece (this one I found)

 

A2544D73-3322-466D-82A3-C79BBAFA96D5.thumb.jpeg.e9fa64dd030712ae339bbfbeea3d0297.jpeg

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