0
The method of extracting mineral ore by hand using simple tools is known as?
Wiki User
∙ 14y ago
Placer mining.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is a mining method in which overlying rock material is stripped away to reveal mineral deposits is?
Strip Mining. In England this is known as open-cast mining.
Which is the softest and the hardest mineral?
The softest known mineral is 'TALC'. The hardest known mineral is 'DIAMOND' (according to Friedrich Mohs scale)
What mineral is the hardest known substance in the nature?
Diamond
What is the hardest mineral in this group?
Silicon Dioxide (known as Quartz) is not the hardest mineral, the hardest mineral is an allotrope of carbon called diamond. Quartz is only the 7th hardest mineral.
Which mineral can be scratched by a fingernail?
Talc is one such mineral and as such is a reference mineral in the Mohs Hardness Scale.
The method of extracting mineral ore by hand using simple tools in known as what mining?
Oven pit
What is The process of extracting mineral ore and separating it into valuable resources and waste is known as?
Beneficiation
The method of identifying minerals in which the mineral is struck onto a white tile and the mark made is examined is known as the?
streak test
What is hardest mineral and what is the softest?
The hardest mineral is diamond, and the softest mineral is talc.
What is a mining method in which overlying rock material is stripped away to reveal mineral deposits is?
Strip Mining. In England this is known as open-cast mining.
Which is the softest and the hardest mineral?
The softest known mineral is 'TALC'. The hardest known mineral is 'DIAMOND' (according to Friedrich Mohs scale)
What mineral is known as the peacock ore?
The mineral is called bornite.
Which mineral is the hardest on the scale?
Diamond is the hardest mineral known.
What date was Sieve Eratosthenes born?
About 276 BC Eratosthenes was a Greek mathematician who is credited with a simple method of making a list of as many primes as you wish. His method is known as the Sieve of Eratosthenes.
What are the mineral fuels in Mexico?
Oil is the most-known mineral fuel.
What mineral composition?
Each known mineral has a specific chemical composition.
What mineral is the hardest substance known and an allotrope of carbon?
Diamond is the hardest mineral currently known and is an allotrope of carbon.
