* Oil and gas: Venezuela is one of the world's largest oil producers, and oil and gas account for the vast majority of the country's exports.
* Gold: Venezuela is also a major producer of gold, and gold mining is an important part of the country's economy.
* Diamonds: Venezuela also produces diamonds, and diamond mining is a growing industry in the country.
* Coal: Venezuela also produces coal, and coal mining is an important part of the country's energy sector.
Colombia:
* Gold: Colombia is the world's second-largest producer of gold, and gold mining is an important part of the country's economy.
* Coal: Colombia is also a major producer of coal, and coal mining is an important part of the country's energy sector.
* Nickel: Colombia also produces nickel, and nickel mining is a growing industry in the country.
* Copper: Colombia also produces copper, and copper mining is an important part of the country's mining industry.
Bolivia:
* Tin: Bolivia is the world's largest producer of tin, and tin mining is an important part of the country's economy.
* Zinc: Bolivia is also a major producer of zinc, and zinc mining is an important part of the country's mining industry.
* Silver: Bolivia also produces silver, and silver mining is an important part of the country's mining industry.
* Lead: Bolivia also produces lead, and lead mining is an important part of the country's mining industry.