A Statistical Account of the Seven Colonies of Australasia Volume 1893

T a Coghlan


Comment

Publisher Marketing: This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 Excerpt: ...valued at 216. New Zeaiami The copper deposits of New Zealand and Tasmania have been and Tasmanian 11 copper. worked to a small extent only. virgin copper. The metal is sometimes found in the Australasian mines in a virgin state, of which beautiful specimens have been exhibited at different times, but occurs generally in the form of oxidised copper ores, carbonates, sulphates, phosphates, and silicates of copper. The museums of South Australia, Victoria, and New South Wales contain striking samples of azurite and malachite, magnificent blocks of which have been shown from time to time PRODUCTION OF COPPER. 257 at exhibitions, not only in the Colonies, but also in Europe and America. Copper sulphides and arsenides of copper are generally found stanninc. in deep sinkings. The metal has also been found associated with tin in the form of stannine. The number of men employed in copper-mining in New South Number of copper miners. Wales, during 1891, was 481, whilst but a few hands were employed in Queensland and Tasmania. The total value of copper produced in Australasia during and up Australasian to the end of 1891, and the proportion furnished by each Colony copper?10TM ' are given below. The value of copper produced in New South Wales during 1892 was 163,242: --In 1872, copper realised as much as. 172 per ton, whilst in prioe of copper. December, 1886, the lowest price on record was touched, and only 38 7s. 6d. could be obtained for Chili bars. At the end of 1887 the price had risen to 74 per ton, and in August, 1888, to 81 5s. In January, 1893, the quotation had fallen to 46 per ton. Tin was known to exist in Australasia almost from the first Tin. years of colonisation, the earliest mention of the mineral appearing in a...

Media Bøger     Paperback Book   (Bog med blødt omslag og limet ryg)
Released 01/05-2012
ISBN13 9781235935138
Publisher Rarebooksclub.com
Pages 122
Dimensions 246 × 189 × 7 mm
Weight 230 gram
Language English