A possible base-metal indicator plant from mamandur, South India

Gandhi, S. M. ; Aswathanarayana, U. (1975) A possible base-metal indicator plant from mamandur, South India Journal of Geochemical Exploration, 4 (2). pp. 247-250. ISSN 0375-6742

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037567...

Related URL: http://dx.doi.org/10.1016/0375-6742(75)90004-7


Sixty-five samples of rocks, soils, plants and well waters in the Mamandur area have been analysed for Cu, Zn, Pb, Sr, K, Na, and Mn by atomic absorption spectrophotometry. Among the plants, Waltheria indica Sterculiaceae is confined to mineralised ground in the area. This plant is characterised by maximum concentration of Zn, Cu, Mn, Rb, Sr, Na and K, and is to that extent, a valuable (though not an infallible) indicator of base-metal mineralisation. It is shown that there is considerable difference in the intake of elements by plants in relation to the concentration of the same elements in the soils and well waters of the area.

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