Argex Titanium (CVE:RGX) says that it has hired engineering services firm Genivar to conduct a feasibility study for a titanium dioxide (TiO2) first-module production facility, putting it one step closer to becoming a producer of the substance. 

Argex Titanium (CVE:RGX) (FSE:ASV) (OTCBB:ARGEF) says it has successfully completed the production scale up of high purity titanium dioxide (TiO2) at its pilot plant. 

Argex Mining (CVE:RGX) (OTCBB:ARGEF) said late Wednesday it has achieved a "milestone breakthrough" for the iron recovery circuit at its pilot plant in Mississauga, Ontario, where its patented CTL process is running continuously.

Argex Mining (CVE:RGX) is a junior Canadian resource company that is developing the advanced stage La Blache titaniferous magnetite project, and also owns the Lac Brûlé high grade ilmenite and the Mouchalagane iron ore projects, which are all located on Quebec’s North Shore.

Horizonte Minerals  said the completed metallurgical test programme for its Araguaia nickel project in northern Brazil has returned “excellent results”. It reveals the Araguaia’s ore is suitable for treatment in a rotary kiln electric furnace, established technology with a 60-year track record.

Horizonte’s (LON:HZM) (TSE:HZM) in-fill drilling at its Araguaia nickel project in Brazil has shown more high grades with the contract for a pre-feasibility study now set to be awarded soon.

Horizonte Minerals' drilling programme on the Araguaia project in north central Brazil has intercepted high-grade nickel.

Black Iron (TSE:BKI) shares rose sharply on Thursday after earlier this week being written up in a bullish article on influential financial markets blog Seeking Alpha, with the piece written by contributor James West. 

Black Iron (TSE:BKI) shares have been on the rise this week, up more than 23% in the last five days as the company works toward securing an off-take agreement for its Shymanivske iron project in the Ukraine in the first half of this year.