Abstract: In the mining process of Letpadaung Copper Mine in Myanmar, if the results of rock powder sampling and testing of blastholes are not obtained in the area where mining and loading must be carried out due to production arrangement, in order to ensure the smooth production, the blasthole database analysis and on-site judgment of mineral analyzer are used to accurately judge the material type in ad⁃ vance, thus ensuring the mining and stripping production of the mine, meeting the demand for production guidance in the mining area, and providing a good reference for similar projects.

Key words: material judgment, blasthole database, mineral analyzer