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jim hill




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PostPosted: May 26, 2019 15:25    Post subject: May I get a read  

the blue seems to be a gas , hydrochloric causes it to dissolve , scan done on xrf .sorry for bad pic


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Peter Perkins




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PostPosted: May 27, 2019 02:33    Post subject: Re: May I get a read  

The numbers look as if they are percentages - with over 97% Si how is it that it responds so well to dilute HCl?
It looks to me as if it is a fossiliferous limestone dominated by gastropods.
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jim hill




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PostPosted: May 27, 2019 03:49    Post subject: Re: May I get a read  

thank you peter
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