Research-paper
A Preliminary Investigation into the Spectral Radiation of the Upper Carboniferous Marine Bands and its stratigraphic application
Archard, Gareth; Trice, Robert
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Abstract
The use of downhole gamma logs to define Upper Carboniferous marine bands in the subsurface is a widely accepted technique in the exploration of coal, water and hydrocarbons. This paper highlights, through field examples, possible errors in this method, and demonstrates how the use of gamma radiation to identify marine band can be enhanced by the use of spectral or natural gamma logs.