Argentina and Ecuador reported the largest percentage increase during the first nine months of the year, industry data shows.
Companies issue financing, restructuring and acquisition updates relating to gold and silver projects in Argentina, Colombia and Mexico.
Companies in Mexico and Peru published results from their exploration programs.
The north coast, where extraction of materials for the construction industry takes place, received its first formal mining permits.
Investments in Mexico's steel sector continue to advance despite the fallout from the 25% US tariffs, with US$1.5bn of spending planned for 2019-20.
Apart from Corfo, four local universities and several businesses support the validation center, which has funding over US$13mn secured for the next ten tears.
The group, comprised of local entrepreneurs from sectors such as steelmaking, chemicals, automotive, textile, machinery, and construction, met with the candidate on Monday.
One of four gasometers exploded on August 10 at the plant, injuring 34 workers.