Mining companies can identify areas of valuable mineral resources by____________.

• Mineral excavation

• Dredging

• Mineral Exploration

• Sampling

Which is true about surface mining?

• It is the expensive and dangerous than underground mining.

• .In surface mining the soil and rock that covered the ores are removed through blasting.

• Surface mining can be done through creating a tunnel beneath the Earth's surface

• It used to extract ore minerals beneath the earth's surface or underground.

For mining to be profitable, the price of a final product should be

• lower than the cost of extraction and refining.

• guaranteed in the reclamation (retrieval) plan

• a specific percentage of the reclamation (retrieval) budget

• greater than the costs of extraction and refining

Which of the following dewatering technique utilizes pressure to separate solids from liquids using a filter cloth or a mesh.

• Centrifugation

• Filtration

• vacuum filtration

This refers to a mining process which is critical component of many mineral processing flowsheets when separating the precious metals from waste rock, before it goes onto further mineral processing.

• Comminution

• Sampling

• Analysis

• Concentration

Which of the following describes a metallic mineral?

• Silver

• Copper

• A mineral that is a good conductor if electricity

• All of the other choices are correct

Black sand is mined at sea and coastline in some areas in the Philippines. Which method is applicable to mine black sand?

• Dredging

• strip mining

• open-pit mining

• underground mining

This refers to a mining process which includes the separation of the valuable minerals from the raw materials with the application of technologies .

• Comminution

• Sampling

• Analysis

• Concentration

This refers to a mining process where a portion of a mineral that represents a whole needed for the analysis of this material is removed.

• Comminution

• Sampling

• Analysis

• Concentration

• Dewatering

It is an important step in mineral processing where evaluation of the valuable component in ore happens. This includes chemical, and evaluate the mineral structure.

• Comminution

• Sampling

• Analysis

• Concentration

• Dewatering