a)In the section given, please indicate the type of contact number 7? What it means? b)What should be the age of the unit indicated by C in the given section? Explain the reasons. c)What can be the age of the granite denoted by G and the dyke denoted by D? Explain. d)Since contact number 5 is incompatible, explain the mismatch data that can be observed at this contact.

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