Mineral Resources and Ore Reserve Quiz

What is a 'Mineral Resource'?

• A concentration of material of intrinsic economic interest

• A concentration of material with no economic interest

• A type of geological evidence and resources estimation

• A method of resource estimation

Which category of Mineral Resources has the highest level of confidence?

• Probable

• Measured

• Indicated

• Inferred

What does an 'Ore Reserve' include?

• Geological characteristics

• Only the mineable part of resources

• Diluting materials and allowances for losses

• Only the total amount of resources

What is the primary purpose of pit optimization?

• To classify resources

• To produce the most profitable open pit design

• To estimate geological characteristics

• To analyze drilling data

Which method is commonly used for block modeling and grade estimation?

• Ordinary Kriging

• Geological interpretation

• Bivariate analysis

• Neutral Kriging estimation

What is the main focus of geostatistics in resource estimation?

• To classify mineral resources

• To model spatial continuity of variables

• To analyze economic factors

• To assess geological evidence

What is a 'Probable Ore Reserve'?

• The part of a resource with low confidence

• The economically mineable part of a Measured Resource

• The economically mineable part of an Indicated Resource

• The total amount of resources available

Which of the following is NOT a category of Mineral Resources?

• Indicated

• Inferred

• Exploratory

• Measured

What is the purpose of cross-validation in resource estimation?

• To compare block model vs actual borehole data

• To validate geological characteristics

• To optimize pit design

• To classify mineral resources

Which analysis is used to understand grade distribution and outliers?

• Geological interpretation

• Univariate analysis

• Bivariate analysis

• Spatial analysis