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Which consequence resulted from thermal expansion mismatch during extensive pietra dura inlay applied to Mughal-era sandstone structures initially?

A)Delamination of the inlay occurred
B)Sandstone discoloration was promoted
C)Accelerated biological weathering resulted
D)Groundwater capillary action increased

💡 Explanation

Delocalisation is caused by differential thermal expansion between inlay and substrate. Because their coefficients differ, thermal stresses concentrate at the interfaces causing adhesive failure, therefore delamination occurred rather than discoloration or capillary action within stone.

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