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switchedtogeico

Help identifying amateur finds - Lake Huron, Canada

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switchedtogeico

Hello everyone,

 

I found the following fossils along the cost of Lake Huron in Ontario last weekend, and was hoping I could get some help identifying them. I've tried guessing at what they are, but I'm rather inexperienced with this. I also have no clue as to the time periods, sorry!

 

The first one I assumed was some kind of gastropod

 

 

IMG_20180804_183337103.jpg

IMG_20180804_183355974.jpg

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switchedtogeico

The next few I've been unsure about. Perhaps some kind of coral or barnacle fossils?

IMG_20180804_194150072.jpg

IMG_20180804_194204934.jpg

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Kane

Neat finds. Yes, the first is a gastropod, and the second is rugose coral. Where along Lake Huron?

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Kane

Those would also be rugose coral.  The septae are clearly visible on these. I would guess these are possibly Devonian in age.

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switchedtogeico
3 minutes ago, Kane said:

Neat finds. Yes, the first is a gastropod, and the second is rugose coral. Where along Lake Huron?

Thanks! I was near the eastern shores, so a little south of Tobermory, near Kincardine

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Kane

That sounds about right for Devonian deposits (Detroit River Group). There are some impressive coral reef fossils up that way. :)

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Fossildude19

I agree, with Professor Kane, ... Rugose corals, and a nice gastropod steinkern

(A steinkern is a fossil that has formed by sand or mud filling up the inside of a shell and hardening. The shell itself often dissolves away, leaving just the fill behind.)

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switchedtogeico

Not sure if these are considered impressive, but I did in fact find a number of other coral fossils! This was one of the biggest. 

IMG_20180804_201548645.jpg

IMG_20180804_201601642.jpg

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Kane

These would be tabulate (colonial) corals. They can definitely get quite large! :)

 

~370 million years ago, that whole area was a coral reef system  a bit south of the equator. 

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Ludwigia

That last coral is probably a species of Favosites.

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