A contribution to the petrology of the Middle Jurassic of Whitby, Yorkshire

A contribution to the petrology of the Middle Jurassic of Whitby, Yorkshire: Some results on Dogger samples

Wolf, K-H.A.A.
Kuhnel, R.A.
Kwantes, G.
Maugenest, C.

Molengraaff Fonds

1986

In july 1986, first and second year Mining and Petroleum Engineering students visited the east-cliff of Whitby during a field-trip to Northern England and Scotland. This cliffsection illustrated beautifully examples of a Middle Jurassic deltaic environment. Clearly recognizable are channels, crevasse splays and lagoonal or swamp deposits. The section can be compared with the Middle Jurassic deltaic environment of the Brent Group. The wavecut platform shows bituminous shales of the Upper Lias. Between these rather interesting eye-catchers, a modest unconformity with overlying Dogger is presented. This thin brownish-red layer can be reached at one place, on which Gerard Kwantes took some samples. Thin sections of these samples showed an interesting mineralogy, that only for a part was described in literature. In September 1986 a second journey was made to Whitby, to the examine Dogger and adjacent layers, in greater detail. During this five-day fieldwork, several subjects have been treated: 1) The geology of the east cliff of Whitby and the Dogger formation as a main point 2) Sampling of the Dogger formation and adjacent layers for geochemical and mineralogical research 3) An Engineering Geological study on the precise determination of the locations of the Dogger outcrops, together with a study on the stability of the cliffs.

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(c) Wolf, K-H.A.A. , Kuhnel, R.A. , Kwantes, G. , Maugenest, C.