The mineral potential  

• Substances of mines
Gold: All over the national territory 
Diamond: Indices in alluvium and ultra basic rocks
Zinc: massive Sulphur deposit at Perkoa, 6 million  tonnes of ore at 18% Zn and 20 g/t Ag;
Manganese: deposit at Tambao, 19 million tonnes of ore at more than 52% of Mn;  
• Other substances: nickel, copper, phosphates, lead, antimony.
• Quarry Substances: Syenite, gabbro, pink granite, kaolin, limestone, silica sand, etc. 
• Geological information

- Existence of 13 geological maps at 1/200,000 and another geological and mining map at 1/1,000,000 of the country;

- Existence of an active geological and mining documentation center and a  
computerized mining cadastre.

• Legislation and Regulation

- Adoption of a new mining code in May 2003
- Application texts of the adopted mining code 
 
Benefits of the mining act 

1. Favorable tax treatment for research, preparatory work, exploitation;

2. Tax on Trade and Industry Profits (BIC) of mining sector that is indexed on Common law reduced by ten points: 20% and exempt in the research phase or preparatory work;

3. Tax on income from securities (IRVM) is indexed on common law reduced by half: at 6.25% and is exempt in the research phase and preparatory work;  
4. Custom Law: single rate calculated for all imports for research and mining fell from 11.5% to 7.5% and during the period of preparatory work to 2.5%;