June 16, 2010 – (Investorideas.com Mining stocks Newswire) Investor Ideas  and its leading mining investor portals, announce the new company  profile for mining showcase stock, North Arrow Minerals Inc. (TSX-V: NAR) is available for interested investors. Investors can read recent media coverage, interviews, management and properties info at the profile page in addition to more detail on the company’s opportunity for investors.

Showcase Mining Stock - Featured on Investorideas.com, www.Gold-MiningStocks.com and www.MiningSectorStocks.com

North Arrow Minerals Inc.

North Arrow Minerals Inc. (TSX-V: NAR) manages a diversified portfolio of diamond, lithium, gold and base metal properties.

Searching for “clean and secure supply of lithium to power the lithium ion batteries for electric cars of the future”

June 15, 2010 – (Investorideas.com Mining Stocks Newswire) Investor Ideas and its leading mining and green investor portals are currently updating the mining stocks directory and green stock directory with a new category for publicly traded lithium companies. 

Investorideas.com also recently announced the company profile for lithium showcase stock Rodinia Minerals Inc. (TSX-V: RM) (OTCQX: RDNAF) for interested mining and green investors. Rodinia is currently exploring its Clayton Valley project in Nevada, USA, which surrounds the only lithium-brine producer in North America, and its Diablillos project in Salta, Argentina. The company is focusing on Diablillos, its primary asset and will commence drilling shortly.

RockBridge Bolsters Management Team

RockBridge Resources Inc. (RockBridge) (TSX VENTURE: RBE) today announced the appointment of Adrian Van de Mosselaer as Senior Vice President. Mr. Van de Mosselaer is a highly experienced executive, having lead management teams and operations in a variety of industries. He has extensive experience managing and leading technological advancements in an operational management role and in spearheading related corporate finance activities. Mr. Van de Mosselaer has also lead various industry committees and forums where he has been a sought after speaker and spokesperson.

RockBridge has granted Mr. Van de Mosselaer incentive stock options for 150,000 shares exercisable over 5 years at $0.14 each, subject to vesting provisions.

RockBridge Updates Projects

RockBridge Resources Inc. (TSX VENTURE: RBE) (RockBridge) reports that as part of its 2010 work program, a ten day prospecting program on the Cross Hills Rare Earth property in southern Newfoundland has been completed by its experienced prospecting team. Reconnaissance exploration of the property and detailed investigation of historic showings were the focus of the program. Traverses were performed across RockBridge's newly staked ground along with detailed sampling and channel sampling of the main showing. New areas of radioactivity were identified during the program along with areas showing interesting copper mineralization. Results of pending assays will determine the significance of historic and new areas for the focus of further work. All samples have been sent to Activation Laboratories for analysis and are pending results expected in June.

The Cross Hills work program may include further and more refined exploration as RockBridge works towards delineating possible drill targets for an initial drill program in the coming months.