Abstract
Four minerals are the main source of the iron of commerce. They are magnetite, Fe3O4, with a theoretical iron content of 72% and sometimes known as ‘black’ or ‘magnetic ore’; haematite, Fe2O3, is a red ore with 70% iron; limonite, 2Fe2O33H2O, is a yellowish-brown ore with varying amounts of water in its composition and contains 60% iron; siderite, FeCO3, known also as chalybite or spathic iron ore has a theoretical iron content of 48%. In addition other important iron deposits such as those worked in the Midlands and in France are partly composed of greenish hydrous iron silicates such as chamosite and greenalite with siderite.
This is a preview of subscription content, log in via an institution.
Buying options
Tax calculation will be finalised at checkout
Purchases are for personal use only
Learn about institutional subscriptionsPreview
Unable to display preview. Download preview PDF.
References
‘Overburden Stripping by Dragline and Face Shovel’, Mining and Minerals Engineering, May 1965, p. 330.
‘Opencast Mining of Taconites in Krivoi Rog, Ukraine’, Novozhilov, Opencast Mining, Quarrying and Alluvial Mining, Institution of Mining and Metallurgy 1965, p. 344.
‘Mount Goldsworthy Iron Ore’, R. I. J. Agnew, Mining Magazine, December 1966, p. 432.
‘Mobile Plant for Iron-Ore Concentration’, C. K. McArthur and P. R. Porath, Mining Congress Journal, 51, No. 10, p. 28.
Palabora’, I. C. Herbert, Mining Magazine, Vol. 116, No. 1, January 1967, p. 4.
‘Slope Stability at the Open Pit of N’changa Consolidated Copper Mines Ltd.’, Steffen and Klingman, Journal of the South African Institution of Mining and Metallurgy, Vol. 67, No. 4 November, 1966, p. 140.
‘Further Developments in Open Pit Mining at N’changa’, R. V. C. Burls and W. Holt, Journal of the South African Institution of Mining and Metallurgy, April 1967, Vol. 67, No. 9, p. 421.
‘Stresses and Displacements Surrounding an Open Pit in a Gravity Loaded Rock’, W. Blake, U.S. Bureau of Mines, Report of Investigations No. 7002, 1967.
Author information
Authors and Affiliations
Rights and permissions
Copyright information
© 1969 Elsevier Publishing Company Limited
About this chapter
Cite this chapter
Sinclair, J. (1969). Working Iron and Copper Deposits by Open Pits. In: Quarrying Opencast and Alluvial Mining. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-7611-8_7
Download citation
DOI: https://doi.org/10.1007/978-94-011-7611-8_7
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-011-7613-2
Online ISBN: 978-94-011-7611-8
eBook Packages: Springer Book Archive