Hostname: page-component-77c89778f8-n9wrp Total loading time: 0 Render date: 2024-07-19T01:22:44.282Z Has data issue: false hasContentIssue false

The Yorkshire Dogger: III. Upper Eskdale

Published online by Cambridge University Press:  01 May 2009

Extract

1. A sequence of strata is determined in the Dogger of Upper Eskdale and its tributary valleys. The rocks fall into three main series, which are subdivided into groups.

2. The underlying Yeovilian sediments, originally included with the Dogger, are mapped and briefly described. The unconformity between them and the Dogger is emphasized.

3. The Dogger is marine throughout but only the oldest yields an adequate faunal assemblage, similar to that of the Glaisdale Oolite Series (upper opalinum). The greater part of the Dogger of this area is therefore younger than that of the Yorkshire Coast.

4. Chemical changes in the sea-water caused the deposition of siderite to characterize the earliest phase (Glaisdale Oolite Series). This was succeeded by a phase of dominantly chamosite deposition (the Chamositic Series) followed by a reversion to siderite deposition (the Ajalon Series).

5. Earth-movement controlled sedimentation over the area. During the first phase an eastern tilt to the region held the centre and west above or near sea-level, where it received no sediment. The second phase saw general depression with the accumulation of shallow water sediments. This was followed by uplift and erosion when a broad shallow valley was cut. Partial depression then flooded the valley with derived marine sediments.

Type
Articles
Copyright
Copyright © Cambridge University Press 1943

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Barrow, G., 1888. The Geology of North Cleveland. Mem. Geol. Surv., 104.Google Scholar
Black, M., 1934. Sedimentation of the Aalenian Rocks of Yorkshire. Proc. Yorks. Geol. Soc., xxii, 265.CrossRefGoogle Scholar
Black, M., 1938. In Hatch, Rastall, and Black, Petrology of the Sedimentary Rocks, 3rd edition, p. 133 and fig. 34.Google Scholar
Buckman, S. S., in Fox-Strangways, C., and Barrow, G., 1915. The Geology of the Country between Whitby and Scarborough. Mem. Geol. Surv., 35 and 44.Google Scholar
Fox-Strangways, C., Reid, C., and Barrow, G., 1885. The Geology of Eskdale, Rosedale, etc. Mem. Geol. Surv., 96.Google Scholar
Grabau, A. W. Types of Sedimentary Overlap. Bull. Geol. Soc. America, 17, 1906, 593.CrossRefGoogle Scholar
Macmillan, W. E. F., 1932. Notes on the Dogger Horizons of North-East Yorkshire. Proc. Yorks Geol. Soc., xxii, 122.CrossRefGoogle Scholar
Rastall, R. H., 1939. On Rutile in the Dogger. Geol. Mag., lxxvi, 109.CrossRefGoogle Scholar
Rastall, R. H., and Hemingway, J. E., 1939. Black Oolites in the Dogger of North-East Yorkshire. Geol. Mag., 1xxvi, 225.CrossRefGoogle Scholar
Rastall, R. H., and Hemingway, J. E., 1940. The Yorkshire Dogger. I—The Coastal Region. Geol. Mag., 1xxvi, 177197 and 257275.CrossRefGoogle Scholar
Rastall, R. H., and Hemingway, J. E., 1941. The Yorkshire Dogger. II—Lower Eskdale. Geol. Mag., 1xxviii, 351.CrossRefGoogle Scholar
Tate, R., and Blake, J. F., 1876. The Yorkshire Lias.Google Scholar