It's a good system, however has it's pros and cons. That all comes down to the 'Competent Person' who is willing, and liable for signing off on results etc.
In JORC table one, which accompanies any released market sensitive exploration results, resource or reserve updates, read the fine print.
Companies often like to use well-known consultants, who will sign off as CP, however if it is looking shaky have a number of caveats. i.e geological data and QAQC provided by company X, or company X responsible for geological interpretation.
BLK Price at posting:
10.5¢ Sentiment: None Disclosure: Not Held