Category:Angadipuram Laterite

Angadipuram Laterite 

rock quarry in Malappuram district, Kerala, India
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Instance of	quarry
Location	Malappuram district, Kerala, India
Heritage designation	National Geological Heritage Monument Site (5, Laterite near Angadipuram PWD rest house premises, Malapuram Dist., 2016–)
10° 59′ 33″ N, 76° 12′ 15.12″ E
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Angadipuram Laterite is a National Geological Monument identified in Angadipuram town in Malappuram district in the southern Indian state of Kerala. The special significance of Angadipuram to laterites is that it was here that Dr. Francis Buchanan-Hamilton, a professional surgeon, gave the first account of this rock type, in his report of 1807, as “indurated clay”, ideally suited for building construction. This formation falls outside the general classification of rocks namely, the igneous, metamorphic, or sedimentary rocks but is an exclusively “sedimentary residual product”. Apart from its use as bricks in building construction, it has other substantial economic value, since it has been established that laterites are closely juxtaposed with aluminium ore (bauxite), iron ore and nickel ore mineral deposits in many parts of Kerala