Layered Porous Growth - Coral?
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  1. #1

    May 2013
    25 times

    Layered Porous Growth - Coral?

    Hi everyone! I know this is a fossil posting site and this is not fossilized, but I'm curious to tap your minds to see what this may be. I have looked online but can't find any answers. Is this coral? It's grown on top of a large clam shell. If you look closely, you'll see that it's almost like a honeycomb, and appears to grow in layers.

    Click image for larger version. 

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  2. #2
    Charter Member

    Aug 2014
    Bahia Del Espiritu Santo - "Bay of the Holy Spirit”
    JW 8X V.2 - ML X2 - VP 580
    72240 times
    All Types Of Treasure Hunting
    It appears to be a a type of coral growth... but this really seems an odd type of coral structure / anatomy.
    DETECT WITH RESPECT - Have permission... Fill holes... Dispose of trash. - The Random Chat Thread -

  3. #3

    Aug 2016
    1829 times
    All Types Of Treasure Hunting
    LOOKS like coral to me

  4. #4
    Dec 2019
    4098 times
    All Types Of Treasure Hunting
    The tiny punctate dots and the general growth pattern look far more characteristic of a sheet-form or sea-mat bryozoan to me, but encrusted on something else which has given it that overall shape. That something else could well be coral or any number of things. The surface not shown (the southwest of your picture) appears to have a distinct rim running round it. Any more clues from that un-shown area?

  5. #5
    Mar 2014
    Traveling US to work
    Current Equinox 600 Past Whites DFX Garret GTI 2500 and others Prospecting Minelab GPZ 7000 Past SD 2100 GP 3000 (retired)
    1955 times
    All Types Of Treasure Hunting
    Years ago I was told that what you have there are the remains of a type of sponge. They look pretty neat especially if there are a lot of worm runs thru them.
    Everyone Believes they have gold buried in the back yard... small wonder so few ever look for it.

  6. #6

    Oct 2020
    32 times
    All Types Of Treasure Hunting
    Can you take a picture of the underside (other side) and at level with it sitting on something?

  7. #7

    May 2013
    25 times
    Thanks everyone - Unfortunately I don't have it anymore, but it took on the shape of the top of the clamshell it was growing on - maybe a few areas where it grew slightly higher. I have found several other specimens that just look like gray blobs. I thought of sponge too but have never seen a calcified structure like this from a sponge. I may reach out to someone at UNC Wilmington marine bio department to ask them.

  8. #8

    Oct 2020
    32 times
    All Types Of Treasure Hunting
    Ok, reason I was asking for the pictures is I think it is part of the shell. That is just my humble opinion. Here in Texas, where I normally hunt, there are numerous large oysters. When tossed around in the river they get pretty beat up. Some of them have areas that are worn down that have a resemblance of yours. Especially the Cretaceous ones.

    Once again, just my opinion with the pictures shown.



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