| Reference Type | Journal (article/letter/editorial) |
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| Title | II. On a Section of the Lower Chalk near Ely |
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| Journal | Geological Magazine |
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| Year | 1864 (October) | Series:Volume | 1:1 |
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| Issue | 4 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0016756800163538 |
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| Generate Citation Formats |
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| Mindat Ref. ID | 262172 | Long-form Identifier | mindat:1:5:262172:6 |
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| GUID | 0 |
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| Full Reference | (1864) II. On a Section of the Lower Chalk near Ely. Geological Magazine, S. 1 Vol. 1 (4) 150-154 doi:10.1017/s0016756800163538 |
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| Plain Text | (1864) II. On a Section of the Lower Chalk near Ely. Geological Magazine, S. 1 Vol. 1 (4) 150-154 doi:10.1017/s0016756800163538 |
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| In | (1864, October) Geological Magazine S. 1 Vol. 1 (4) Cambridge University Press (CUP) |
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| Abstract/Notes | Ely stands on a hill extending somewhat beyond the city as a ridge to the north; and a mile north-east of the Cathedral, at a spot variously named Roslyn or Roswell Hole, its flank is reached at a well-known pit, where the Kimmeridge Clay is dug for mending the river-banks; and the excavation shows some Boulder-clay and Chalk. What the relative positions and relations of these latter deposits may be has been long disputed; some holding that the Chalk is there in sitû, let down by a fault; others maintaining that it is merely such a drifted mass, included in the Boulder-clay, as those which form so strange a feature in the Drift of the Norfolk Coast.†Professor Sedgwick has long been convinced that this latter view is a groundless hyothesis; for when the railway was made from Ely to Lynn, it exposed at about 100 yards off a section showing Kimmeridge Clay and Chalk side by side, and Boulder-clay between them; so the conclusion inevitably followed that there had been a great fault; letting down the Chalk for at least two or three hundred feet. This section was still to be seen in the spring of 1860, when I examined it. The faulted faces of both stratified formations were perfectly erect, parted by a column of Boulder-clay, some twelve feet wide, which from a distance looked like a basaltic dyke. |
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