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Help ID this for my 7 year old?


bethstucky

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Hi everyone!

 

My son found this at the Gardiner boat ramp beach (a very rocky beach) near Sequim, Washington on the Olympic Peninsula. From a quick google search he thinks it might be horn coral. What do you think? And can he sell it for $799.99 and earn enough money to buy the LEGO UCS Millennium Falcon? :)

 

Whole rock is about 70mm across. Please let me know if you have any other questions that would help you hazard a guess. Thank you so much!

Beth Stucky

Wat's Fossil.jpg

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1 hour ago, bethstucky said:

And can he sell it for $799.99 and earn enough money to buy the LEGO UCS Millennium Falcon? :)

Not quite. 

Hello, Beth and son, and a very warm welcome to TFF from Morocco. :)

I think it's a crinoid columnal and there are others in the piece, too. 

Features of crinoid arms and stems. (A) Principal patt erns of arm branching (redrawn aft er Ubaghs, 1978, fi g. 115). (B, C) Crinoids with fused arms. (B) Crown of Kallimorphocrinus strimplei (Kirk) (redrawn aft er Ubaghs, 1978, fi g. 124.1). (C) Adoral (left ) and aboral (right) surfaces of fused arms of Petalocrinus visbycensis Bather. (D) The three principle geometries of articulation in the crinoid stem (redrawn aft er Donovan, 1989, fi g.1) (E). Some morphological features of crinoid columnals with symplectial articulation (redrawn aft er Moore et al., 1968, fi g. 2). (F) Partial articular facet of columnal and median longitudinal section of same (modifi ed aft er Moore et al., 1968, fi gs. 1, 2).  

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I agree with crinoid columnal.

He will be old enough to push the lawn mower soon. No monetary windfall here I'm afraid. 

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Can we get pictures of all the other sides?

 

Tim_Photo_Diagram_003.thumb.jpg.08b91bcdde65e105048a581244401f6f.jpg

 

 

Also what is the size of this item?

 

5f4d8fa6d2d99_WatsFossil.jpg.de81952e0cfae4cfffbfcc793d3f0d82.jpg

 

I am hesitant to call this a crinoid columnal, as the usual ornamentation is not present.

 

The geology of the stated area does not coincide with paleozoic fossils being found. (Although, it could be a glacial erratic).

 

Gardiner-vert.jpg

 

Given the area it was found, I'm not even positive this is a fossil. :unsure: 

 

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    Tim    -  VETERAN SHALE SPLITTER

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3 hours ago, Fossildude19 said:

 

I am hesitant to call this a crinoid columnal, as the usual ornamentation is not present.

The geology of the stated area does not coincide with paleozoic fossils being found. (Although, it could be a glacial erratic).

Given the area it was found, I'm not even positive this is a fossil. :unsure: 

 

The OP states the whole rock is 7 cm across. 

Many crinoid columnals are synostosial, meaning they exhibit no articulation facets. And the surface may be slightly rounded, as in some Glyptocrinus. 

Crinoids are not limited to the paleozoic, though this looks paleozoic to me, but I don't know the area. 

However, you may be right, you usually are.:)

 

 

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1 hour ago, Tidgy's Dad said:

The OP states the whole rock is 7 cm across. 

Thanks Adam, I totally missed the measurement stated.  :blush:

I could be wrong, as well. 
The matrix looks metamorphic to me, but, I am wrong as often if not more than I am right.  :shrug:

 

 

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    Tim    -  VETERAN SHALE SPLITTER

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"In every walk with nature one receives far more than he seeks."

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1 hour ago, Fossildude19 said:

Thanks Adam, I totally missed the measurement stated.  :blush:

I could be wrong, as well. 
The matrix looks metamorphic to me, but, I am wrong as often if not more than I am right.  :shrug:

 

 

Me too. 

Though it is by the exchange of thoughts, both correct and not so, that this forum usually finds the solution.  :)

Anyway, to by blurred eyesight this looks like a piece of worn crinoidal limestone.  

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5 hours ago, Fossildude19 said:

Tim_Photo_Diagram_003.thumb.jpg.08b91bcdde65e105048a581244401f6f.jpg

Nice illustration ! ;)

 

Coco

----------------------
OUTIL POUR MESURER VOS FOSSILES : ici

Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici
Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici
Mâchoires sélaciennes récentes : ici
Hétérodontiques et sélaciens : ici
Oeufs sélaciens récents : ici
Otolithes de poissons récents ! ici

Un Greg...

Badges-IPFOTH.jpg.f4a8635cda47a3cc506743a8aabce700.jpg Badges-MOTM.jpg.461001e1a9db5dc29ca1c07a041a1a86.jpg

 

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3 minutes ago, Coco said:

Nice illustration ! ;)

 

Coco

That was made by our own @Brett Breakin' Rocks :) 

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    Tim    -  VETERAN SHALE SPLITTER

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I had assumed it this way and that’s why I congratulated you! It replaces the previous hand-drawn drawing.
 

Coco

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----------------------
OUTIL POUR MESURER VOS FOSSILES : ici

Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici
Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici
Mâchoires sélaciennes récentes : ici
Hétérodontiques et sélaciens : ici
Oeufs sélaciens récents : ici
Otolithes de poissons récents ! ici

Un Greg...

Badges-IPFOTH.jpg.f4a8635cda47a3cc506743a8aabce700.jpg Badges-MOTM.jpg.461001e1a9db5dc29ca1c07a041a1a86.jpg

 

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3 minutes ago, Coco said:

Nice illustration ! ;)

 

Coco

Ditto!!!,  I will be saving and using it in the future !!! Great idea :tiphat:@Brett Breakin' Rocks

The White Queen  ".... in her youth she could believe "six impossible things before breakfast"

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I wish I had access to some examples, but to me they look more like sponges I’ve found in Silurian aged sediment, or even holdfasts. 
But I digress. I’m just a novice. :P 

Finding my way through life; one fossil at a time.

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Thank you so much everyone! This is really great. I'll post some more photos though they probably still aren't the best quality!

Fossil 3.jpg

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Twist. 

Bits of brachiopod as well? 

Though I do tend to imagine brachipods. 

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Tortoise Friend.

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7 hours ago, Fossildude19 said:

Can we get pictures of all the other sides?

 

Tim_Photo_Diagram_003.thumb.jpg.08b91bcdde65e105048a581244401f6f.jpg

Although this is neater than a hand drawing, I am having a hard time understanding the directions. If we are looking at an angled front view of the ammonite with a readable scale, how come “left” is on the right? Also, it appears that the whole ammonite is backlit by the window and both lights, not a good lighting situation.
 

Tim’s drawing also has the right and left turned around. Although the electric light does light up the front of the fossil/cube.
 

Help @Brett Breakin' Rocksand @Fossildude19

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@DPS Ammonite

 

The diagram was meant as a guideline for taking pictures. Not an exact "How To".  ;) 

If new members would read the How to Get Your Item Identified topic, everything is explained there. 

This is just meant to give people the idea that they should take photos in good lighting, either natural or artificial. 

They should consider their item a cube, and take pictures of all 6 sides, so we get an overall idea of the shape of the item. 

They should include a scale of some sort, and also not take pictures of their item on funky, multicolored throw blankets or speckled counter tops. 

 

That said, I think it is a vast improvement on my hastily made sketch a year or so ago. 

 

OLD                                                                                                                NEW

 

0823181237a_Film1.thumb.jpg.5a7ae46e41e261c982afc2e2a9cf79a5.jpg                               Photodirections_003.thumb.jpg

 

 

You can lead a horse to water, ... but you can't make it drink.  :shrug:

 

 

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    Tim    -  VETERAN SHALE SPLITTER

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__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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1 hour ago, DPS Ammonite said:

Haha .. it's ok. An existential crisis at this point in history is completely allowed.  I was always charmed by Tim's drawing so I wanted to replace (with kindness) but not destroy the original feeling of the artwork. To that end there probably could be 2-3 additional images/diagrams .. one each for natural light (not direct sun) and artificail light using a nice 3-point lighting setup. etc..

 

As for the orientation I think I was following Tim's lead. If you are the ammonite (be the ammonite @DPS !!) :ammonite01: and you are facing 'camera (the web viewer)' your right side will be screen left and your left side will be screen right. Of course all of these terms are not quite one that we use to describe .. say the faces of a shark tooth.

 

As an novice it is enough .. hopefully to get us what we want. Later,you can look back .. now as a seasoned veteran, and chuckle at your poor photography skills. Having now mastered the air scribe AND macro-photography AND creek sifting AND categorizing your shark teeth according to chronospecies . TFF at it's best !

 

Refined indeed ...

giphy.gif

 

PS. Sorry @bethstucky not to hijack your wonderful fossil find. Welcome to the club !

 

 

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