mind of information or mine of information A book, a person, or any other source stuffed with gems of useful knowledge is a mine of information, a metaphorical treasure trove of learning. The information involved may or may not be in someone’s mind. Facebook Twitter Google + Do you make these 10 mistakes? gaurd vs guard tooken vs took vs taken dateline vs deadline in tact vs intact practicle vs practical appauled vs appalled soar vs sore ninty vs ninety woman vs women ruff vs rough