Examine in detail (6)
'examine in detail' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for peruse that I've seen before include "Scrutinise" , "Scrutinize" , "Scan carefully for rupees" , "Browse, read casually" , "Thoroughly examine" .)
(Other definitions for survey that I've seen before include "Inspect, take a general view of" , "Inspect (a building)" , "Check on house before purchase" , "Thoroughly examine" , "Scan and appraise" .)