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2764 Views 26 Replies Last post: Jan 29, 2014 9:46 PM by Tabfish RSS
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Mar 17, 2013 4:15 PM

What is it?

Another find from Hornsea beach, i thought was a Belemnite but not really sure. 8 cm long 4 cm diameter

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    Jan 17, 2014 5:39 PM (in response to Ash)
    Re: What is it?

    It looks like a belemnites but pic3 looks slightly curved so it could just be a rock.

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        Jan 19, 2014 12:04 AM (in response to Ash)
        Re: What is it?

        Hello Ash

        Although it looks like it could be from the chalk (flint) of Flamborough head, I would say it has come from the beds at Speeton (Speeton Clay) The Cretaceous period.

        Left behind by the glaziers when they recieded aprox 12000ygo

        Definately not man made, like the things you find at Rollston.

         

        Tabfish

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          Jan 19, 2014 8:19 PM (in response to Tabfish)
          Re: What is it?

          The surface rind and texture lead me to consider it to be natural, probably flint, but not symmetrical enough for a belemnite.

           

          The end in the photo was a natural fracture which was partly filled with a white mineral, probably calcite, which you see now as a partial veneer.

           

          Mike

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            Jan 19, 2014 9:41 PM (in response to Ash)
            Re: What is it?

            Hi Ash

            Sorry.

            Forgot to say it's not a belemnite.

             

            Tabfish

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                Jan 21, 2014 10:02 PM (in response to Ash)
                Re: What is it?

                Hi Ash

                So long as i remember I will take some images of my Speeton shrimp nodules tomorow, they are very similar to your specimen.

                 

                Tabfish

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                    Jan 22, 2014 8:50 PM (in response to Ash)
                    Re: What is it?

                    Hello Ash

                    Just a quick thought - see if you can magnify the very tip of your specimen were the dark bit is.

                     

                    Tabfish

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                        Jan 22, 2014 9:15 PM (in response to Ash)
                        Re: What is it?

                        Speeton!

                         

                        Tabfish

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                          Jan 22, 2014 9:34 PM (in response to Tabfish)
                          Re: What is it?

                          A couple of images of one i found on the Holderness.

                           

                          tabfish

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                              Jan 22, 2014 9:50 PM (in response to Ash)
                              Re: What is it?

                              Hi Ash

                              I found a Lower Jurassic - Lower Lias lobster at Holmpton a few years ago.

                              Not the best or largest fossil crustacean but it will be a long time before I find another one.

                               

                              Tabfish

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                              Jan 23, 2014 9:44 PM (in response to Ash)
                              Re: What is it?

                              Hi Ash

                              If you see a rock on the Holderness covered in BIG barnicals like in the image below, you know the sea bed out to sea has been turned over and thrown up on the beach because of the energy in the swash zone on the shore, (probably after a storm)

                              Hope this helps in your fossil collecting.

                               

                              Tabfish

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                                  Jan 25, 2014 2:58 PM (in response to Ash)
                                  Re: What is it?

                                  Doesn't get much better than that on the Holderness, beach stripped of sand exposing the boulder clay and what looks like a good rock field to explore.

                                   

                                  Tabfish

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                                      Jan 26, 2014 10:05 PM (in response to Ash)
                                      Re: What is it?

                                      A very nice find Ash

                                      I think it is an ammonite from the Upper Jurassic called Hecticoceras sp, but it would be good to see an image of the 'keel' outside of the ammonite.

                                      It's a 'hands and knees' job when you find a patch of pyrite/black sand because some of these ammonites are very small but well worth collecting and they have the added bonus of usually not rotting away.

                                      I hope you don't mind but I have added some images of similar ammonites that we have collected.

                                      Great image showing the suture lines of the ammonite.

                                       

                                      Tabfish

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                                          Jan 29, 2014 9:46 PM (in response to Ash)
                                          Re: What is it?

                                          Hi Ash

                                          As I have said you have shown us some great images and it is obvious you are into photography with the quality of your images, I usually carry a geo hammer, a ruck sack and a camera for the special things you find on the Holderness that I cannot take home.

                                          Lets see some more of your finds!

                                           

                                          Tabfish

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