On April 28, 2005 , it was published in the Official Gazette published a decree by means of which diverse provisions of the Mining Law are amended. Some of these modifications to the Mining Law tend to replace the institution of the Mineral Resources Counsel under a new denomination which is Mexican Geological Service, that being a decentralized entity, has the fundamental function of acting as generating and depositary instance of public information regarding geology, geophysical, geochemistry and mining matters of the country. With these changes, the redefinition and enlargement of functions of the Counsel as Mexican Geological Service were sought.
In the reform the authority updated and complemented the different names of the chemical elements that can be extracted from minerals, as well as the minerals of industrial use. Some materials are subject of concession for their subterranean exploitation, such as the clays and varieties of mineral coal. On the other hand, certainty is