The method of stripping topsoil and back to the mining layer with an excavator is called excavation mining. Excavator mining mainly consists of stripping topsoil, mining, loading and unloading and transportation. In order to facilitate excavation and loading, bulldozers, tractors and various loading and transport equipment are often used in excavator mining and loading.
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     Sanding and loading can be done in a variety of ways. Larger sands, ie deposits, can be loaded into the vehicle on the track by means of a steam shovel or a power shovel, or by using a leash excavator to load the sand into the bucket of the mining machine. The sand source can also be loaded into the ground with a pressurized water source if conditions permit. Small dispersion ore, iron pick may be utilized, shovels, the sand is loaded carts, rail carts, or to send loaded slide chute, sometimes using a bucket or rock skip transport. The shovel is suitable for shallow sand layers, which has the advantage that the bottom plate can be carefully removed. If a larger height is required, the platform can be built to throw the sand and stone twice.
The methods of mechanically transporting ore include lifting cranes, mining vehicles, ramps, and mechanical excavators. However, the production cost of these methods is generally higher than that of gold mining vessels, and only when the ore grade is high, economically reasonable.
     Lifting cranes are more efficient to ship and are suitable for shallow open pit mining, but the ore must be raised to a certain height.
     Mine car and ramp transport can be used for soft schist near the horizontal level, and the suitable gold-bearing depth is about 0.6 meters.
     The power rake mining machine is mostly used for mining and ascending the shallow river valley sand mine, but it is not suitable for the hard and block bottom plate.
     In short, the excavator mining method is flexible and maneuverable when mining. It is especially suitable for the mining of small or rich or even ore bodies with no water or water shortage in the creek sands and terraces and mountain sand deposits. However, this method is generally not suitable for mining loose and unstable sand deposits because such deposits are difficult to follow the weight of mechanical equipment such as excavators, bulldozers, drag shovel and dump truck loaders.
     When using this method to open a sand deposit that is buried (usually 2 to 5 meters), the mining cost is still relatively low. When the gold deposit is buried deep, the mining cost will increase as the stripping work increases.
