On a New Section of Fossiliferous Upper Cornbrash of North-Eastern Facies at Enslow Bridge, near Oxford

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Abstract
In a recent account of the stratigraphical distribution of the English Cornbrash we pointed out that positive evidence of the existence of Upper Cornbrash was lacking over an extensive area of outcrop north and east of Oxford. All that we were then able to say (1932, p. 123) was: “Over this area the Lower Cornbrash alone forms a surface feature or appears in any of the exposures. The thin representative of the Upper Cornbrash, seen in the Long Handborough and Kidlington quarries and during the construction of the Woodstock railway, if it is present to the north-east of Oxford, has nowhere been encountered nearer than Bedford, 50 miles distant.” We had previously stated, however, in an analysis of the fauna of the South-Western area, including the Oxford district: “The record is still far from complete; new exposures in the area will furnish additional facts.” Such an exposure has now come into existence, and the Upper Cornbrash thereby revealed, although but a thin formation, has proved so richly fossiliferous, and the light thrown on questions previously doubtful is so illuminating, that we consider a description of the section should be made known without delay. The quarries at Greenhill, near Enslow Bridge on the River Cherwell, about nine miles north of Oxford, have been famous since the days of Buckland as a hunting ground for Cornbrash fossils; but although they have been visited by many generations of collectors, no fossils indicative of the Upper Cornbrash have hitherto been recorded. When describing the

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