gold mine of information
(redirected from the 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.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.