Dec 18 (Reuters) - Galena Mining Ltd G1A.AX :
* UPDATED JORC MINERAL RESOURCE ESTIMATE (INDICATED PLUS INFERRED) AT 5.0% LEAD CUT-OFF OF 37.4MT AT 7.5% LEAD AND 18G/T SILVER
* UPDATED JORC PROBABLE ORE RESERVE ESTIMATE OF 10.3MT AT 8.8% LEAD AND 24G/T SILVER