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Distinguish between Dyke and Sill or Discordant and Concordant bodies
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Dykes (Discordant type) Sill (Concordant type)
Dykes are discordant igneous bodies of more or less tabular shape and exhibiting a cross -cutting relationship with the country rocks . Sills are tabular concordant igneous bodies lying parallel to the structure of the country rocks .
They occur commonly in the form …

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