| Reference Type | Journal (article/letter/editorial) |
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| Title | The Yorkshire Dogger: III. Upper Eskdale |
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| Journal | Geological Magazine |
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| Authors | Rastall, R. H. | Author |
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| Hemingway, J. E. | Author |
| Year | 1943 (December) | Volume | 80 |
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| Issue | 6 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0016756800076469 |
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| Generate Citation Formats |
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| Mindat Ref. ID | 247352 | Long-form Identifier | mindat:1:5:247352:3 |
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| GUID | 0 |
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| Full Reference | Rastall, R. H., Hemingway, J. E. (1943) The Yorkshire Dogger: III. Upper Eskdale. Geological Magazine, 80 (6) 209-230 doi:10.1017/s0016756800076469 |
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| Plain Text | Rastall, R. H., Hemingway, J. E. (1943) The Yorkshire Dogger: III. Upper Eskdale. Geological Magazine, 80 (6) 209-230 doi:10.1017/s0016756800076469 |
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| In | (1943, December) Geological Magazine Vol. 80 (6) Cambridge University Press (CUP) |
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| Abstract/Notes | 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. |
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