Miners post more gains

RESOURCE companies maintained momentum on the ASX today, with blue chip miners setting a confident tone.

BHP Billiton was up 1.8% to $A37.20 and Rio Tinto closed 2.2% higher at $68.10 as the basic materials sector notched a 1.6% improvement on the session.

The S&P/ASX 200 index gained 1.