Abstract
Contour maps showing variations in carbon and oxygen isotope ratios may be useful as a guide to ore. Previous literature suggests that the isotopic composition of carbon is related to the environment in which it is deposited. Sedimentary syngenetic ore deposits are also related to the depositional environment in which they occur and should therefore be related to the isotopic composition of the carbon deposited along with the ore. Although metamorphism may obscure palaeontological and stratigraphic indicators of environment, the isotopic composition of organic carbon appears to be unaffected by it. Previous literature suggests that variations in oxygen isotopes can be used also as a guide to certain epigenetic ore deposits.
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