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HENWOOD, William Jory.

(1805 – 1875)

(Born: Perron Wharf, Cornwall, England, 16 January 1805; Died: 5 August 1875) English mining expert.

English mineralogist and mining expert. From 1832 to 1838, Henwood was the supervisor of tin production in Cornwall. He then became a consulting engineer until 1843 when he took charge of the Gongo-Soco mines in Brazil. He reported to the Indian government on the potential metal production of Kumaon and Gurhwal in 1855. In the late 1860's he retired to Cornwall and became in 1869 President of the Royal Institution of Cornwall. He was elected Fellow of both the Royal Society (1840) and the Geological Society (1828); from the later he received the Muchison Medal in 1874. A hydrous phosphate of copper and aluminum named "Henwoodite" after him by J.H. Collins in 1876.

Biographical references: DNB. Encyclopaedia Britannica, 11th edition. Proceedings of the Geological Society, London: 1876, 82-5. Sarjeant, Geologists, 1980: 2, 1241.

Observations, 1871

1. English, 1871.
Observations | On | Metalliferous Deposits, | And On | Subterranean Temperature; | Forming The Eighth Volume Of The | Transactions Of The Royal Geological Society | Of Cornwall. | Part The Second. | By | William Jory Henwood, F.R.S.; F.G.S.; | [...7 lines of titles and memberships...] | Penzance: | Printed and Published by | William Cornish, | Green Market. | [rule] | 1871.

2 parts. [Part 1] 8°: xxxi, 722 p., illus., tables. [Part 1] 8°: 382 p., illus., tables. Published as: Transactions of the Royal Geological Society of Cornwall, vol. 8, parts 1-2.

Scarce. This is perhaps the first modern attempt to correlate the entire world's metalloferous deposits against one another in order to develop relationships and similarities with their mineralization and internal structure. Contained in the text are descriptions of many of the major world-wide mineral resources of the time, all examined by the author during his distinguished career. The text is then divided into two major parts. The first provides descriptions of mineral resources in North-Western India, Kumanon, Guhwal, Bengal, Chili, including Chañarcillo & Copiapò, Brazil, especially Minas Geraës, North America, including Virginia, Michigan and New Brunswick, Jamaica, Spain, France, The Channel Islands, Ireland, and Great Britain, especially Perthshire and Cornwall. The second portion of the work describes the author's meticulous records on the water temperatures of mines described in the first part. Many folding plates and tables at the end of the second section illustrate methods of ore production and cross-sections of various mines described in part one.

Bibliographical references: BL [7106.f.25.(4.)]. Katalog Bergakademie Freiberg, 1879: p. 292 [VII. 1247. a. b.]. NUC.