The term 'Assayer Concern' refers to a job that involves the analysis of ORE. An Assayer is someone who examines and tests ORE samples to determine their composition and quality. An ANALYST is someone who studies and interprets the results of the assayer's tests. Ores are naturally occurring minerals or rocks that contain valuable metals or other materials that can be extracted and used for various purposes. Assayer Concerns are important in the mining industry, as they provide valuable information about the ORE being mined.