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II.—“Remarks on Gramenite from Smallacombe, and on the Chloropal Group of Minerals”

Published online by Cambridge University Press:  14 March 2018

Extract

A few years ago, while inspecting some iron ore deposits at Smallacombe, near Bovey Tracey, in Devon, I noticed the occurrence of certain brightly colored green, red and brown clays in considerable quantity. I took several specimens of the green clay at the time, and on my return home laid them aside in a lumber closet, where they became buried with other specimens, from which they have only lately been disinterred. After so long a stay in a tolerably dry situation I thought they might be regarded as in a normally hygrometric condition, and it was in this state that I subjected then to examination and analysis, with the following results.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1877

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References

page 67 note * See “Note on the iron ore deposits at Smallacombe. Rep. Miner. Assoc. of Cornwall and Devon, 1871, p. 71.

page 69 note * System of Mineralogy, p. 461. Anal. No. 16.

page 70 note * Dana, p. 478.

page 70 note ** Dana, p. 459.