Crossword Genius

Profitable discovery coming from day trip at sea (3,4)

Ross

I believe the answer is:

pay dirt

'profitable discovery' is the definition.
(I've seen this in another clue)

'day trip at sea' is the wordplay.
'at sea' indicates anagramming the letters.
'day'+'trip'='daytrip'
'daytrip' is an anagram of 'PAY-DIRT'.

'coming from' acts as a link.

(Other definitions for pay dirt that I've seen before include "Rich ore-bearing ground (US)" , "Ground containing ore in profitable amounts" , "profitable success" .)

I've seen this clue in The Times.
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