An environmental court ruling concerning water extraction wells may have adverse effects on the company's iodine business line.
This is the second strike in a week to affect the country's mining operations.
Bolivian mining exports, which account for one quarter of the country's hard currency earnings, continued their year long climb thanks to stronger metals prices.
Precious metals were trading around five-month lows just before the Fed's decision to increase interest rates.
The plan follows a capital and debt restructuring process concluded in October.
The latest news from junior miners operating in Latin America.
Buenaventura, Peru's largest locally owned precious metals miner, plans to explore the Ccellocasa gold property in largely unexplored Ayacucho region.