File:YGS CHR 07 WEST FIG 04.jpg
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Summary
| description | English: Figure 4 Variations in mid-Westphalian A to top Westphalian B palaeo-environments, north to south through eastings 470– 480. As for Figure 3, the vertical axis is the geological succession normalized for regional thickness variations to give a timeequivalent display (see main text); the horizontal axis is a north–south section through the succession; see Figure 5 for location. Again, the suppression of actual thickness variations allows a more ready assessment of the spatial variations in timeequivalent environments. Note: the unions of coals towards the basin margin southeast of Nottingham; basin-marginal areas where late Westphalian B marine strata occupy a specific condensed succession; the general lateral continuity of the named coals; and the persistence of channel belts, evidenced by significant fluvial sandstones throughout most of the succession. See also the caption for Figure 3.
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| source | Yorkshire Geological Society | |
| author | J. H. Rippon |
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