Small-scale(<5.0m) vertical heterogeneity in mudstones: Implications for high-resolution stratigraphy in siliciclastic mudstone successions

From: Journal of the Geological Society | Date: January 1, 1999| Author: | Copyright information

Abstract: 48 mudstone samples, from the Peterborough Member, Oxford Clay Formation, have been analysed to determine the small-scale vertical and lateral lithofacies variability in this succession. The samples were collected every 0. 15 m from Saxon and King's Dyke brickpits (Whittlesey, Peterborough, UK) over a short vertical interval (15 m). The sampled interval spans the obductum to the grossouvrei Subzones of the Callovian (Upper Jurassic). Lithofacies present were described using combined field logging, optical and backscattered electron optical techniques.

The succession predominantly ...

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