Weaker equity markets and concerns about demand from China trimmed BlackRock World Mining Trust's net asset value (NAV) by 6.2% in June.

NAV per share on capital only fell to 626.51p as the share price ended the month down at 549p, a 12.4% discount to net assets.

Evy Hambro, investment manager responsible for the trust, thinks short term volatility in the commodities sector is likely to continue, making stock selection and commodity selection key.

But he believes the recent pull-back has provided potential opportunities for the company to invest in high quality assets at attractive valuations.

"The medium to long term outlook for the mining sector appears robust, with emerging markets continuing to exhibit strong growth and supply remains constrained in its ability to meet demand increase in some commodities," Hambro said in a portfolio update.

"Whilst some investors may be fearful of monetary policy change in China, we view this as a long term positive as it is indicative of a strong economy and a government that is looking to manage that growth. However, in the short term, general market sentiment is having a greater affect on equity markets."

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BlackRock World Mining Trust (BRWM) share price