Literature cited
- Camp , T. R. 1963 . “Water and its Impurities” , 355 New York : Reinhold .
- Carlson , J. R. and Rodgers , K. A. 1974 . The Coalgate bentonite. A ferriferous‐beidellite deposit from Canterbury, New Zealand . Clay Minerals , 10 : 153 – 72 .
- Carroll , D. 1970 . “Rock Weathering” , 203 New York : Plenum .
- Faber , J. 1962 . “Standard Methods for the Examination of Water and Waste Water” , 12 ed. , 769 New York : American Public Health Association, American Water Works Association & Water Pollution Control Federation .
- Hem , J. D. 1959 . Study and interpretation of the chemical characteristics of natural water . U.S. Geological Survey Water Supply Paper , 1473 : 269
- Hem , J. D. and Cropper , W. H. 1959 . Survey of ferrous ferric chemical equilibria and redox potentials . U.S. Geological Survey Water Supply Paper , 1459‐A : 30
- Hutchinson , G. E. 1957 . “A Treatise on Limnology” , Vol. 1 , 1010 London : Wiley .
- Johnstone , I. M. 1972 . Limnology of Western Springs, Auckland, New Zealand . N.Z. Journal of Marine and Freshwater Research , 6 : 298 – 328 .
- Krauskopf , K. B. 1956 . Dissolution and precipitation of silica at low temperatures . Geochimica et Cosmochimica Ada , 10 : 1 – 26 .
- Mugele , G. F. and Wiseman , A. 1958 . “Water Treatment” , 141 London : Newnes .
- Russell , W. J. 1976 . “Aspects of the geology and hydrology of the Western Springs catchment area, Auckland City” , 100 University of Auckland Library . M.Sc. thesis lodged in
- Russell , W. J. and Rodgers , K. A. 1977 . The Western Springs water supply of Auckland City . Journal of the Auckland‐W aikato Historical Societies , 30 : 17 – 18 .
- Scofield , C. S. 1935 . The salinity of irrigation water , Smithsonian Institute Annual Report 1935 275 – 87 .
- Searle , E. J. 1960 . Petrochemistry of the Auckland basalts . N.Z. Journal of Geology and Geophysics , 3 : 24 – 39 .
- _____ . 1961 . The petrology of the Auckland basalts . N.Z. Journal of Geology and Geophysics , 4 : 165 – 204 .
- Vogel , A. I. 1961 . “A Textbook of Quantitative Inorganic Analysis including Elementary Instrumental Analysis” , 1216 London : Longmans .
- Welcher , F. I. 1962 . “Standard Methods of Chemical Analysis” , 6th ed. , Vol. 2 , 2541 Princeton : Van Nostrand .
- White , D. E. , Brannock , W. W. and Murata , K. J. 1956 . Silica in hot spring waters . Geochimica et Cosmochimica Acta , 10 : 27 – 59 .