He has urged the minister evaluate themselves and would not take him long leave power in this regard.
President Magufuli said that after the committee was investigating the issue of sand on the container handing their report.
The committee of experts of geology and scientific analysis created on March 29 this year, investigated the types of minerals present, the amount and quality standards.
At the point when Submit the report, Professor Mruma said the review uncovered the nearness of mining volumes between Sh829.4 billion to 1.439 trillion for all holders 277.
"Regardless of studies directed through these compartments, we have found the presence of numerous more sorts of minerals that don't have the foggiest idea about these was discovered worth between mpaka261 billion Sh129.5 billion," said Professor Mruma.
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