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PacificOre releases master thesis on Iron-T project

 

PacificOre releases master thesis on Iron-T project

 

2013-08-29 17:11 ET – News Release

Dr. Christian Derosier reports:

RESULTS OF A MASTER DEGREE COVERING THE IRON T VANADIUM-TITANIUM IRON PROJECT

PacificOre Mining Corp. has released the results of a master thesis entitled, “Vanadium mineralization in the Archean-layered Bell River complex, Matagami, Quebec.” This master degree under the supervision of Prof. M. Jebrak, PhD, and Prof. N. Goulet, PhD, is obtained from the Departement des Sciences de la Terre et de l’Atmosphere de l’Universite du Quebec a Montreal. Dr. Christian Derosier, PacificOre’s vice-president of exploration, was one of the members of the examination committee.

PacificOre wishes to sincerely thank S. Roudaut for the excellent work he has accomplished. The company has sponsored this three-year study covering the Iron-T vanadium-titanium-iron property.

The Iron-T vanadium-titanium-iron property is located in the Matagami area in the west-central part of the province of Quebec, Canada, approximately 780 kilometres north of Montreal.

The entire Iron-T vanadium-titanium-iron project consists of 146 claims covering a total area of 3,995.57 hectares.

Following is an English translation of the summary of the study:

“The Bell River complex is a large layered Archean intrusion in the Matagami mining district in the northern part of the Abitibi subprovince, Quebec. It consists of a layered intrusion (755 square kilometres), which presents a potential for vanadium, iron and titanium. The west part of the complex, surrounded by VMS deposits, presents a gabbro base, an upper layered zone of gabbronorites, which contain the layers of Fe-Ti-V oxides, topped by a zone of granophyres. The oxide zones, host of the mineralization in vanadium, were, until now, little studied.

“The layered zone is marked by a retrograde metamorphism in the amphibolite facies to green schists. It comprises massive and semi-massive oxide layers, overly oriented east-west with a polarity and a subvertical dip to the north. It also contains sequences of melanocrate to leucocrate gabbronorites with disseminates oxides. Oxide zones have a thickness of up to 200 metres, with centimetric to decametric layers, averaging in grades: 27.3 per cent iron, 39.04 per cent Fe2O3, 6.55 per cent TiO2 and 0.42 per cent V2O5. Several primary magmatic sequences, directly linked to the fractioned crystallization process, are observed. One late magmatic breccia phase, showing breccia with a pegmatitic gabbronorite matrix, is present at the top of the layered zone.

“Oxides present in the layered zone are the ilmenite and titanomagnetite. The titanomagnetite presents solutions of trellis ilmenite associated with the spinelle and hercynite. The vanadium is included in the crystalline structure of the magnetite where V3-positive ions are replacing the Fe3-positive ions.

“Textural observations and geochemical analysis show that the upper layered zone of the Bell River complex is very likely issued from an injection of mafic magma associated with a residual liquid mixing, enriched in V-Fe-Ti. This mixing is possibly sprung from the underlying massive gabbro zone. Several particularities distinguish the Bell River complex from the other complexes known in the world, like the Bushveld complex, involving the injection with a strong thermal contrast, probably at shallow depth.

“To complete the model, a study of the origins of variations of fugacity of the oxygen would be pertinent. A more detailed study of minerals present in each sequence and in the other lithologies would better characterize the eventual variations of the liquid compositions between each pulse and between the different injections of magma.

“The V-Fe-Ti mineralization of the upper zone of the layered Bell River complex is comparable with that of the other mafic intrusions by its presence in the layered upper zone. Nevertheless, it also differs by the absence of olivine because of the Fe enrichment, by the absence of apatite associated with a less advanced evolution and by the absence of chromium in the titanomagnetite consequence in the order of the fractioned crystallization, which has preferably concentrated Cr in pyroxenes. The whole is situated in a context of injection at a shallow depth.

“Finally — a study on the dynamic of the environment of layered gabbronorite injections in this subvolcanic context.”

This press release has been prepared by Dr. Derosier, PGeo, consulting geologist and qualified person for the Iron-T project under National Instrument NI 43-101.

 

 

 

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More information on company activities and vanadium redox batteries, including global installations, can be found on the company’s website at www.vanadiumcorp.com

 
 
 
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