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The authors described the geological characteristics of Jide Mo deposit in Shulan of Jilin and its conditions of hydrology��engineering and environmental geology and their mineral processing experiment results�� Taking this Mo deposit for example��the authors discussed the working principle and flow of 3D mineral resource evaluation software ( MICROMINE) 11. 03 edition��and also estimated and verified the resource reserves�� The ore content is 313 741 400 t and Mo content is 245 096 t estimated by inverse distance weighting method�� Among them��the ore content of 111b + 122b accounts for 80. 99 % of total ore amount��Mo content accounts for 81. 08 % of total resource reserves; while the resource reserves used by opencast working accounts for 91. 64 % of total ore amount�� and Mo content accounts for 91. 99 % of total resource reserves�� The testing results of geological block and trianglation polygon estimation methods show that using inverse distance weighting method of 3D mineral resources evaluation software ( MICROMINE) estimate resource reserves is reasonable��with small relative error and reliable result��