MONTREAL, Aug. 21, 2023 (GLOBE NEWSWIRE) -- Brunswick Exploration Inc. (TSX-V: BRW, OTCQB: BRWXF; “BRW” or the “Company”) is pleased to announce that, since the restart of exploration work at the Mirage Project, located in the Eeyou Istchee-James Bay region of Quebec, field crews have successfully extended the length of the spodumene-bearing pegmatite boulder field and discovered several spodumene-bearing pegmatite outcrops. The previously announced boulder field (see June 14, 2023 press release) now extends over 3.0 kilometres in a northeast direction and well-mineralized pegmatite outcrops have been observed along a 2.7 kilometre-long trend further to the northeast. Both the extent of the outcrops and boulder train remain open in all directions.
Mr. Killian Charles, President and CEO of BRW, commented: “Today’s announcement is an important milestone for Brunswick Exploration as the rapid discovery of several spodumene-bearing dykes in outcrops and a lengthy mineralized boulder trend highlights the excellent potential for a hard-rock lithium deposit. We expect to receive drill permits imminently and will begin a minimum 4,000 metres drill campaign in September. Furthermore, there remains multiple highly prospective areas across the Mirage Project which will be explored shortly.”
Mirage Project Overview
Following the initial discovery of multiple plurimetric spodumene-bearing pegmatite boulders (see press release dated June 14, 2023), Brunswick Exploration focused its efforts in the SW portion of the Project. This initial prospecting campaign identified a total of 9 mineralized outcrop clusters with the largest spodumene-bearing cluster measuring approximately 80 metres wide by 100 metres long; all clusters remain open along strike (Figure 1). Most observable dykes are oriented in a SW-NE directions following a major structural trend that runs along the Project area in a similar SW-NE glacial direction, although some dykes show variable strike directions. In total, the trend of boulders and outcrops covers over 5.5 kilometres of strike and remains open in all directions (Figure 1).
The mineralized pegmatitic dykes identified to date are predominantly hosted by meta-basalts and amphibolite, and consequently the mineralized boulder and outcrop area will be covered by airborne LiDAR and magnetic surveys in the next three weeks to hopefully outline the unexposed strike extent of the mineralized dykes.
Figure 1: Location of spodumene-bearing outcrops and boulder train.
Lithium mineralization identified in outcrops is similar to the boulders observed to the southwest, consisting of well-defined, large, light grey spodumene crystals with mineralization varying between 5 and 50% of the pegmatite. Some of the outcrops have spectacular spodumene mineralization with crystals reaching a maximum length of 1 metre and, concurrently, widths in excess of 30 centimeters (Figures 2 and 3).
Figure 2: Mineralized outcrop with large prismatic spodumene crystals up to 50cm in length.
Figure 3: Another large, light-grey, prismatic spodumene crystal on the edge of an outcrop.
Figure 4: Mr. Rémi Charbonneau, Ph.D., P. Geo., of Inlandsis Consultants, discoverer of the Mirage lithium pegmatite field, examining a spodumene-rich outcrop.
The rest of the Project area remains unexplored and there are several other pegmatite outcrops that have been noted by government geologists in previous surveys but have not been field checked for spodumene mineralization. About 13 kilometres of favorable geology up-ice from the current discoveries remains untested.
Next steps at Mirage will focus on continued prospecting, airborne surveys and the initiation of a drilling program. The Company is targeting a minimum of 4,000 metres of drilling based on available information starting in September. Prior to the start of drilling, BRW will complete detailed LiDAR and a high-resolution airborne magnetic survey to further define extent of pegmatite dykes and drill targets.
Purchase of Additional Surrounding Claims
Brunswick Exploration has entered into a transaction with 1Minerals Corp. (“1Minerals”) to purchase certain claims contiguous to the Mirage Project as well as an additional regional lithium grassroot claim package as it continues to develop the lithium discovery at Mirage. The terms of the transaction are as follows:
Brunswick Exploration has also entered into a transaction with Osisko Development Corp through General Partnership Osisko Baie James (“Osisko GP”) in which the Company has to option to acquire a 75% undivided interest in 8 claims in the immediate area of the Mirage Project under the following terms:
The scientific and technical information contained in this press release has been reviewed and approved by Mr. François Goulet, Manager Quebec. He is a Professional Geologist registered in Quebec and is a Qualified Person as defined by National Instrument 43-101.
About Brunswick Exploration
Brunswick Exploration is a Montreal-based mineral exploration company listed on the TSX-V under symbol BRW. The Company is focused on grassroots exploration for lithium in Canada, a critical metal necessary to global decarbonization and energy transition. The company is rapidly advancing the most extensive grassroots lithium property portfolio in Canada with holdings in Quebec, Ontario, Saskatchewan, Manitoba, New Brunswick and Nova Scotia.
Mr. Killian Charles, President and CEO (email@example.com)
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