Firestone Ventures Inc.(CVE:FV) reported high-grade zinc-lead-silver results from "La Luna" project, 80 km north of Guatemala City, Guatemala.

Junior explorer Hathor Exploration on Tuesday said a preliminary economic assessment of its Roughrider uranium deposit showed it would potentially be one of the lowest cost uranium producers in the world at only $14.44/lb U3O8. The junior uranium company is the target of a hostile bid from world number one uranium miner Cameco and has gained about 56% since the offer and 121% since the start of the year. Hathor believes its worth more than the offer price and said it will formally respond tomorrow (September 14) and urged shareholders to sit tight.

The cost of borrowing for Brazil's Vale has risen to record highs relative to competitors BHP Billiton and Rio Tinto, as the Brazilian government looks to reap more in mining taxes amid surging metals prices, Bloomberg is reporting: The world’s largest iron-ore mining company’s dollar bonds due in 2019 yielded 4.22 percent, a record 152 basis points more than similar-maturity bonds from higher-rated BHP. The yield gap has swelled 61 basis points, or 0.61 percentage point, this year. The spread over Rio Tinto Group bonds reached 84 basis points yesterday after averaging 51 points in the first seven months of 2011.

The Endako molybdenum mine in British Columbia has been extended another two years, Thompson Creek Metals (TSX:TCM) said yesterday. The Denver and Vancouver-based company announced a 9% increase in mineral reserves from 286.2 million to 312.2 million pounds of molybdenum at the mine, located near Prince George, BC., meaning the mine will operate until 2028. "The updated reserves estimate illustrates the significant value of the Endako mine. The current report has revised our reserves estimates as a result of improved engineering, refined geological modeling and new drilling data. We believe the resource base at the Endako mine will continue to expand with our 2011 drilling program and future exploration," CEO Kevin Loughrey said in a statement.

Strong interest in the Mongolian resource sector has provided shareholders in Hunnu Coal a 800% gain in only 18 months. Thailand's Banpu announced Tuesday it is taking over the ASX-listed junior for $400 million or $1.80/share – Hunnu went public in February 2010 at 20c. Hunnu may be the first of many firms with Mongolian coal assets to attract bidders with Ivanhoe Mines' SouthGobi and TSX-V junior Prophecy Coal talked about as likely targets and a way in for smaller investors who are not be able to participate in Tavan Tolgoi's $3 billion IPO slated for next year.

China plans to dramatically consolidate the number of mines in its country, according to Caterpillar (NYSE:CAT) and a study by MCCM. And China also wants its mines to be a lot more productive. Caterpillar released the results of a study in August. In 2004 China had 25,000 operating mines. By the end of 2013 China wants to get that number down to 4,000 mines. A minimum production of 300,000 tonnes per annum will be required for mine approval.

Caterpillar's (NYSE:CAT) spring acquisition of Bucyrus netted the company brand new corporate headquarters for its mining division, Caterpillar Global Mining Headquarters. Last month MINING.com took a tour of the 26-acre corporate campus, located just south of Milwakee in Oak Creek.

Queensland, Australia's Minister for Women, Karen Struthers, is encouraging young women in the Upper Coomera area to try out "unconventional" careers, like mining, construction or manufacturing at Upper Coomera college, the Queensland Government website reports.

The program provides opportunities for young women to consider a career in non-traditional employment and undertake an apprenticeship or training to become plumbers, electricians or undertake tertiary study to work as engineers.

Shares in NioGold Mining (TSX-V:NOX) are up 3.28% today on brisk mid-day trading, after the company announced promising drill results from its Marban Block property, located in the Abitibi region of Quebec, Canada. Highlights from 10 new drill holes at the Marban deposit include an intersection at depth of 7.0 grams of gold per tonne (g/t Au) over 10.9 metres (MB-08-053ext) and shallow intersections obtained at the west end of the deposit of 5.9 g/t Au over 15.7 metres (MB-11-195) and 906.2 g/t Au over 2.6 metres (MB-11-198). Map by NioGold Mining Corp.