Madras Agricultural Journal
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SAND GRAIN MINERALOGY OF THE SOILS OF LOWER BHAVANI PROJECT COMMAND AREA

Abstract

The study of the soils of Lower Bhavani Command Area revealed that the total light minerals in coarse sand fractions are in the range of 96-97, 92-96, 93-96, 87-92 and 94-97 per cent in Irugur (Igr), Sathyamangalam (Sty), Kangayampalayam (Kgp), Koduveri (Kdv) and Peelamedu (Plm) series, respectively. In fine sand fractions they are in the range of 91-96,91-98,94-97,84-90 and 92-95 of per cent in these series. Generally light minerals dominate distinctly over the heavier ones due to relative resistance or weathering of the former. Quartz predominates over the other light minerals. Surface horizon showed more quartz than feldspar. The total amount of heavy minerals in both fractions is the least in Igr followed by Plm, Sty and Kdv series.

Keywords: Sand Grain Mineralogy, LBP soils.

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ISSN : 0024-9602
eISSN : 2582-5321

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