Mining Methods
Rocks
Ore Detection
Mr Torelli's Random Questions
100
What is one importance of the Mining industry to Australia?
- Provides many jobs
- is the backbone of Australia's economy
- Accounts for over 50% of Australia's exports
- Provides us with everyday resources and fuels
100
Lustre describes a rock's ability to ________________.
reflect light/ shine
100
What are the two main types of ore detection/ surveying?
Aerial and on-site
100
How deep is the super-pit located in Kalgoorlie (the largest open-cut mine in Australia)?
a) 300 meters
b) 1200 meters
c) 600 meters
d) 480 meters
c) 600 meters
200
What mineral is Kalgoorlie associated with?
Gold
200
Mohs scale is used to measure what property of a rock?
Hardness
200
Name two types of Aerial exploration methods for detecting ores and minerals
Gravity, electromagnetic or magnetic surveys
200
what is the rarest mineral on Earth?
a) Blue diamonds
c) rose diamonds
b) kyawthuite
c) Painite
Kyawthuite. Only one crystal, found in the Mogok region of Myanmar, is known to exist.
300
Mining methods are selected based on different factors. List one factor that determines what mining process is selected.
The type of mineral
The geology/ layout of the area.
The cost and how much the mineral is worth.
300
What is a mineral?
A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.
300
The method of surveying which involves taking samples of the Earth and testing them for different chemicals and minerals, is called _______________.
Geochemical surveys
300
what is the name of this rock:
a) Jasper rose
b) Gypsum
c) salt rose
d) thromarite
b) Gypsum (aka desert rose)
400
What mining method is commonly used to extract minerals or fuels from the ocean?
a) petroleum wells
b) dredging
c) underground mining
d) leach mining
Petroleum Wells
400
What is the primary difference between the minerals gold and iron in terms of how they are extracted and processed?
Gold does not require processing or extraction as it can be found and used in its natural state.
Iron needs to be extracted from its ore and requires extensive processing and chemical treatment.
400
There are four main steps to obtain resources from the Earth. They are:
1) Exploration
2) Mining
3) ___________
4) Extraction
Enrichment
(Concentrating and refining the resource)
400
Opals are commonly found in which state of Australia??
South Australia
500
What is the most common mining method in Australia?
Open-pit mining, surface mining, open-cut mining
500
If a mineral can be scratched by apatite but not calcite, what mineral would it be? What is the hardness rating of this mineral?
(Use your notes from our lesson on Mohs Hardness Test)!!!
Hardness rating of 4.
500
What are the benefits of on-site surveying methods compared to Aerial surveying?
Provides more specific data and mineral information.
Allows for a deeper analysis and penetration into the Earth.
500
Assuming I weigh roughly 80kg. How many Mr Torellis Could a typical mining truck hold? (to the nearest 100)
5000 of me!
The typical Payload (how much they can hold) is 400 tonnes!!
= 400,000/80