WorksheetsExtracting Rocks and Minerals
Total questions: 15
Worksheet time: 9mins
What are the 2 main methods of rock and mineral extraction?
Surface Mining
Drilling
Deep/Subsurface Mining
Seabed Mining
(a) is rock that is rich in minerals
Select all the types of surface mining
Mountaintop Removal
Strip Mining
Smelting
Open-Cast
Which method of mining is cheaper?
Subsurface
Surface
Which method is safer?
Subsurface
Surface
Outcropping refers to
Farming
Agriculture
Surface level rock/mineral
Mining method
Which mineral deposit is most likely to be mined
mineral is in intensely faulted or folded rocks
unbroken, thick layers and easily accessible
scattered over a large area
isolated area with harsh climate
(more than 1 correct answer) Price of a mineral goes down when...
New deposits are found
Supply exceeds demand
Demand exceeds supply
The mineral is extremely rare
Which type of mining creates surface waste heaps?
Surface mining
Subsurface mining
Both
Neither
Why does crushing and refining of mineral ores often happen close to the mine?
To avoid public attention
To reduce transport costs
To keep jobs within the company
To protect the environment
The waste product Slimes are:
Grease from machinery
Fine mineral particles mixed with water
Rotting vegetation
Melted ore
What is meant by the term 'tailings'?
high concentration of minerals
Excavations and waste heaps
draining or sedimentation
the resultant waste stream after the valuable mineral is extracted from the ore
Which of the following is not an impact caused by mining
Loss of Habitat
Noise pollution
Water Pollution
Land Pollution
Lithification
Crushing and refining ore causes:
Water Pollution
Air Pollution
Land Pollution
Loss of Habitat
Which testing provides recommendations to reduce environmental impact?
Core Drillings
Chemical analysis
Environmental Impact Assessment
Seismic Waves
