And a few more examplesHigh gravity and high magnetic anomalies...

And a few more examples

High gravity and high magnetic anomalies together can indicate the presence of dense and magnetic rocks or minerals, such as iron ore, magnetite, pyrrhotite, or kimberlite. Here are some examples of mineral exploration projects that used high gravity and high magnetic readings to discover resources:

• Sishen iron ore mine: One of the largest open-pit mines in the world, producing about 40 million tons of iron ore per year. The mine was discovered in 1953 by using an airborne magnetic survey that revealed a strong magnetic anomaly over a large area. The anomaly was confirmed by ground gravity surveys and drilling.
• Ekati diamond mine: The first and largest diamond mine in North America, producing over 50 million carats of diamonds since 1998. The mine was discovered in 1991 by using an airborne magnetic survey that detected several circular magnetic anomalies caused by kimberlite pipes. The anomalies were verified by ground gravity surveys and drilling.
• Carajás mineral province: One of the most important mining districts in the world, hosting several types of mineral deposits, including iron ore, copper, gold, nickel, manganese, and bauxite. The province was discovered in 1967 by using an airborne magnetic survey that identified a huge magnetic anomaly associated with a Precambrian shield. The anomaly was further investigated by ground gravity, electromagnetic, and radiometric surveys, as well as geological mapping and drilling.