gold mine of information

gold mine of information

Something that yields a lot of valuable or useful information. I've never met any of these relatives before, so your photo albums will be a gold mine of information.

See also: gold, information, mine, of

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

(a) gold mine of information

Fig. someone or something that is full of information. Grandfather is a gold mine of information about World War I. The new encyclopedia is a positive gold mine of useful information.

See also: gold, information, mine, of

McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.