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Department of Earth Sciences, Oxford University, Parks Road, Oxford, OX1 3PR, UK
The subdivision and correlation of monotonous siliciclastic sequences with poor biostratigraphic control and few lithostratigraphic markers has long been a problem. The need to find an efficient approach is even greater for subsurface sequences where information from cores and wireline logs has proved inadequate. In this short paper a novel approach, high-resolution heavy minerals analysis (HRHMA), is introduced, which is particularly suitable for the subdivision of problematical clastic sediments where other techniques are inconclusive. A full paper, which will present the technique in more detail, will be published shortly.
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