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Preliminary optical work has shown that some of the matrix is very interesting and nothing like the ``normal'' limestone bedrock. The material is considerably altered. Some samples appear to be dolomitic and other samples look more like a weathered low grade ore body.

Examining some of the ``aragonite'' with optical microscopy shows that the material has the same form as that expected for aragonite, however full analysis will require X-ray techniques.

I am intending to undertake this work early next year (ie 2001).