| Reference Type | Journal (article/letter/editorial) |
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| Title | IV.—On the Geological History of the Cornish Serpentinous Rocks |
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| Journal | Geological Magazine |
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| Year | 1887 (May) | Series:Volume | 3:4 |
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| Issue | 5 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0016756800196542 |
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| Generate Citation Formats |
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| Mindat Ref. ID | 266249 | Long-form Identifier | mindat:1:5:266249:1 |
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| GUID | 0 |
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| Full Reference | (1887) IV.—On the Geological History of the Cornish Serpentinous Rocks. Geological Magazine, S. 3 Vol. 4 (5) 220-225 doi:10.1017/s0016756800196542 |
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| Plain Text | (1887) IV.—On the Geological History of the Cornish Serpentinous Rocks. Geological Magazine, S. 3 Vol. 4 (5) 220-225 doi:10.1017/s0016756800196542 |
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| In | (1887, May) Geological Magazine S. 3 Vol. 4 (5) Cambridge University Press (CUP) |
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| Abstract/Notes | Botallaek Mine.—The dark hornblendic slates of the sea-border of the parish of St. Just are known to many geological tourists. They have been well described by the late Mr. J. A. Phillips,1 who regards them as consisting of altered killas ; and the justice of this conclusion will not I think be questioned by any who have studied the rocks in situ; traces of an original lamellar structure are visible even in hand-specimens. Phillips (op. cit. p. 322) gives the following analyses of the rock, a being from near the surface, and b from a depth of 130 fathoms, or far below the sea-level; while c is the analysis of a typical Cornish killas (from Polgooth Mine, 100 fathoms from surface):— |
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