Possibly, but there is absolutely no evidence at this point, so let's be careful. I will need to check the cargo of these aircrcrafts (Wellingtons and Stirlings) and what the mines were made of. I know the regular bobms had TNT and Amatol, but I will need to check the weight and the amount of destructive material. A mine doesn't neceseraly make more damage than a cookie, I suppose, but again this is speculation so now I will need to work my sapper skills.
Maybe they carried some small bombs for opportunity targets too?

__________________