* Remote sensing: Satellites can collect data about the Earth's surface from orbit, which can be used to identify potential ore deposits. This data can include visible light imagery, infrared imagery, and radar imagery.

* Magnetic surveys: Satellites can also be used to conduct magnetic surveys, which can help to identify areas with high concentrations of magnetic minerals, which are often associated with ore deposits.

* Gravity surveys: Satellites can also be used to conduct gravity surveys, which can help to identify areas with high concentrations of dense minerals, which are often associated with ore deposits.

Airplanes

* Aerial photography: Airplanes can be used to take aerial photographs of the Earth's surface, which can be used to identify potential ore deposits. This data can be used to create topographic maps, which show the elevation of the land surface, and geologic maps, which show the distribution of different rock types.

* Geophysical surveys: Airplanes can also be used to conduct geophysical surveys, which can help to identify areas with high concentrations of magnetic minerals, which are often associated with ore deposits.

* Radiometric surveys: Airplanes can also be used to conduct radiometric surveys, which can help to identify areas with high concentrations of radioactive minerals, which are often associated with uranium ore deposits.

By using satellites and airplanes, mining companies can obtain valuable data about the Earth's surface that can be used to identify potential ore deposits. This data can help to reduce the risk of exploration and development, and can help to ensure that mining operations are successful.