Difference between revisions of "Ore"
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: [[Ore]]s are found in different places on the [[Earth's Crust]]. | : [[Ore]]s are found in different places on the [[Earth's Crust]]. | ||
: All [[rock]]s have [[mineral]]s in them but most do not have them in a large enough fraction to be worth the money it would take to [[Extraction of Metals|extract]] a [[metal]] from them. | : All [[rock]]s have [[mineral]]s in them but most do not have them in a large enough fraction to be worth the money it would take to [[Extraction of Metals|extract]] a [[metal]] from them. | ||
| + | |||
| + | ==Key Stage 4== | ||
| + | ===Meaning=== | ||
| + | An [[ore]] is [[rock]] that has a large enough amount of a [[mineral]] to be worth [[Extraction of Metals|extracting]] the [[metal]] from that [[mineral]]. | ||
| + | |||
| + | ===About Ores=== | ||
| + | : An [[ore]] may be referred to as a [[Low Grade Ore|low grade '''ore''']] which contains a small [[percentage]] of the [[mineral]] by [[mass]] or a [[High Grade Ore|high grade ore]] which contains a high [[percentage]] of the [[mineral]] by [[mass]]. | ||
| + | : The grade of an [[ore]] determines whether it is worth the cost and effort to [[Extraction of Metals|extract]] the [[mineral]]. | ||
| + | : [[Low Grade Ore|Low grade '''ores''']] are usually [[Extraction of Metals|extracted]] using [[phytomining]] or [[bioleaching]] which are cheap but take a long time. | ||
Revision as of 11:37, 25 January 2019
Key Stage 3
Meaning
An ore is rock that has a large enough amount of a mineral to be worth extracting the metal from that mineral.
About Ores
- Ores are found in different places on the Earth's Crust.
- All rocks have minerals in them but most do not have them in a large enough fraction to be worth the money it would take to extract a metal from them.
Key Stage 4
Meaning
An ore is rock that has a large enough amount of a mineral to be worth extracting the metal from that mineral.
About Ores
- An ore may be referred to as a low grade ore which contains a small percentage of the mineral by mass or a high grade ore which contains a high percentage of the mineral by mass.
- The grade of an ore determines whether it is worth the cost and effort to extract the mineral.
- Low grade ores are usually extracted using phytomining or bioleaching which are cheap but take a long time.