Gurmeet singh Asked a Question
August 5, 2020 6:01 pmpts 30 pts
. A hierarchy of units has been developed based on the formation, which is the primary lithostratigraphic unit (NACSN 2005). Supergroup Group Formation
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  • Rahul pandey Best Answer
    Formation is type of lithostratigraphic unit (distinguished on the basis of lithology), which is mappable at a scale of 1:50000. You might have heard about different formations in ...
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    Gurmeet singh
    and sir ek line or hai.... formations should not contain uncomfomity but some minor disconformity may be acceptable. why sir? as unconformity is commonly found.