Small caps round-up: Richland, Interior Services, Oracle Coal..

Richland Resources, the gemstone producer and developer, has upgraded the resource estimate for its tanzanite mining operation in Tanzania. The site has a Joint Ore Reserves Committee (JORC) indicated resource of 30.6m carats, JORC inferred resource of 74.4m carats, and a total inferred and indicated resource of 105m carats. The life-of-mine has been extended to around 30 years, based on ramped-up production of 2.7m carats. Shares rose gained 7.5% to 10.75p.

Richland Resources, the gemstone producer and developer, has upgraded the resource estimate for its tanzanite mining operation in Tanzania. The site has a Joint Ore Reserves Committee (JORC) indicated resource of 30.6m carats, JORC inferred resource of 74.4m carats, and a total inferred and indicated resource of 105m carats. The life-of-mine has been extended to around 30 years, based on ramped-up production of 2.7m carats. Shares rose gained 7.5% to 10.75p.

Construction group Interior Services has been awarded a contract for a £100m data centre with financial services provider Santander to construct and fit out a new facility in East Midlands. David Lawther, ISG Chief Executive, said:

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