| A | B |
|---|
| Explain how the ore deposits removed by shaft mining and strip mining are similar to the ore deposits removed in open pit minig. | The deposits are removed in shaft occur in vains similar to the deposits that extend deep underground in open pit mining. |
| Describe strip mining | Earth moving equipment scrapes away soil to expose ores. |
| Describe a shaft mine. | A network of tunnels that extend deep into the ground that follow the ore. |
| Describe open pit mining. | Miners use giant earthmoving equipment to dig a hug pit and remove ore deposits. |
| smelting | The process in which an ore is melted to separate the useful metal from other elements. |
| TorF: People first developed smelting in the 180's. | False |
| Alloy | A solid mixture of two or more metals |
| Process of smelting iron ore | 1. mix with limesone and coal. 2. place in blast furnace. 3. produce carbondioxide and molten iron, 4. pour off molten lava. |
