The most common and most likely answer to this crossword clue is the 14 letter word ANTI-PERSONNEL
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Buddy explains!

The straight part
We know that "Like some mines" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like some mines = anti-personnel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ANTI-PERSONNEL mean?
ANTI-PERSONNEL adjective- Referring to devices (typically weapons) intended to harm people in particular.