A correlation of Jurassic rocks in the British Isles. Part - download pdf or read online

By Cope J.C.W., Duff K.L., Parsons C.F., Torrens H.S., Wimbledon W.A., Wright J.K.

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Additional info for A correlation of Jurassic rocks in the British Isles. Part Two: Middle and Upper Jurassic

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Geol. Sci. for 1973 (1974), p. 24). S. boreholes through the Fuller's Earth in this area is published our knowledge will considerably improve. (See Penn, Merriman & Wyatt 1980, published too late for consideration in this Report). e. The commercial Fuller's Earth seam of Combe Hay near Bath, 11m below the top of the Upper Fuller's Earth Clay (=Lansdown Clay of Arkell & Donovan 1952; =Frome Clay of Boume 1846), has yielded Choffatia homeomorpha (S. S. Buckman), Wagnenceras bathonicum Arkell, W. ; an assemblage here placed in the upper part of the hodsoni Zone.

The Forest Marble sequence at Cirencester is based on a horehole record (Richardson 1933, p. 75 with references). No correlation here with the standard is yet possible. c. The Whitc Limestone and lower beds of the Bathonian are known from the descriptions of the old railway cuttings hetween Chedworth and Cirencester and nearby sections described by Richardson (1911b, 1930, 1933), Arkell & Donovan (1952, p. 246 and map 5) and Callomon & Torrens (1969, pp. 12-3). The correlation of the White Limestone Formation, Beds 5-28 of Richardson 1933, p.

C3G8). ) only in the east of the area (Goathill Quarry) where they are of basal hodsoni Zone age as to the north. g. The Lower Fuller's Earth Clay is as badly known as the majority of the Upper Fuller's Earth Clay above. The Acuminata Beds were exposed in an unpublished section in Lovers Lane (ST 643160), south of Sherborne (Torrens MS). 70 m thick and well developed. Wagnericeras (Suspensites) suspensum (S. Buckman) (SM J 34792), a species known from the Acuminata Beds to the north, has been recorded from this section and comes from the Acuminata Beds and not the Fuller's Earth Rock (as wrongly stated by Arkell 1951-59, p.

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A correlation of Jurassic rocks in the British Isles. Part Two: Middle and Upper Jurassic by Cope J.C.W., Duff K.L., Parsons C.F., Torrens H.S., Wimbledon W.A., Wright J.K.


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