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Randyw

Nice video! Who narrated it?

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KOI

My daughter.

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Randyw

She did a really good job!

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Brett Breakin' Rocks

This was extremely informative and very well executed.

 

Excelsior !

 

Cheers,

Brett

 

 

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ynot

Very nice video! Thanks for sharing this piece of work.:D

 

Only suggestion is to use a needle or dental pick to manipulate the matrix. The tweezers are to big/blunt and make it harder to move just the things You want to move.

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KOI

Here is another video from travels in the world of microfossils and playing with a hybrid of a camcorder and a microscope.

Who would have thought that those fish eggs are actually tube worms made of foraminifera?

 

 

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KOI

Hi All, here is a video with another sample of conodonts.

 

 

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KOI

One more to the collection of microfossils.

 

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Coco

Hi,

 

What is the fossil seen "2:50 mn" ? It looks like shark or ray dermal denticle. Sorry, I am french and I didn't understand comments on video.

 

And a question that I have been asking myself for a long time and which I have never understood the answer : what are conodonts ? Parts of the jaws of worms or tiny animals ? Another part of an animal ?

 

Coco

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KOI

Hi Coco, if you mean the last video, it's a conodont element. They really can be quite different in appearance. Conodonts are so to speak "problematic" fossils. We still do not know what they were.

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doushantuo

WHOA!:blink:

Coco,les conodontes sont des elements (plus ou moins) dentiformes(alors,part de cavite buccal)des petits animaux plus ou moins vermiforme(ou peut etre un peu

en forme des poissons juveniles),avec symmetire bilaterale,essentiellement Paleozoique (avec un moindre distribution dans le Triassique),et on pense qu'ils sont liees a des premiers vertebres.

Particulierement dans le Devonien,ils ont un importance vraiment massive dans le biozonation/biostratigraphie

(Me*d**,le derniere temps j ai fait un chose similaire...

Enfin...

Ils existent des vue differentes sur leur fonctionnement et systematique,and that's putting it mildly

un example des recherches histoloques avec des vues prescients/precognizants,a l'aube des etudes geochimiques et histologues "moderne": 

 

quinethistosteo6932_38_bulle-30.pdf

Guy-Elie Quinet:

Contribution a l'etude de la structure histologique des conodontes lamelleux

Bull.Inst.Roy de Sciences Naturelles,t XXXVIII,v.30/1962

below:

image from:https://www.geochemicalperspectivesletters.org/documents/GPL1912_SI.pdf

The "dental"/oral elements are shown in white

 

 

10u500 (2).jpg

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Coco

Woh ! Thanks !

 

Coco

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