Stelmine Canada, a junior mining exploration company, has reported that a gold showing has been recently discovered. This gold showing is defined by a 6.81 g/t gold (Au) value from a grab sample gathered from the west of the main Joubert mineralized zone.
By staking 88 claims adjacent to the initial Joubert property, Stelmine Canada effectively secured this potential ground. The Joubert property was investigated during the exploration campaigns performed in 2018 and 2019.
This finding has been added to the earlier claims mined during the past years. Stelmine Canada collected channel samples 20 m from the preliminary showing disclosed by Virginia Gold earlier in 2007 (0.48 g/t Au and 4.69 g/t Au).
The samples produced values of 1.10 g/t on 0.25 m and 0.83 g/t on 1.5 m accompanied by high concentrations of arsenic (As = 679–2580 ppm). The property is situated in the James Bay Territory.
The recently staked region reveals analogous geologic characteristics to that of the preliminary Virginia Gold showing boudinaged, folded quartz, and sheared veins injected in migmatized as well as mylonitized biotite-rich quartzofeldspathic paragneiss (quartz arenites and arkoses) interstratified with various bands of silicate or oxide facies iron formations. A few paragneisses are mineralized in arsenopyrite, pyrrhotite, and pyrite.
At present, the Joubert property includes 247 claims that are fully owned by Stelmine Canada, bringing the entire region to 128 km2. The property is situated 55 km northeast of the Renard diamond mine, which can be approached by Road 167.
The property is located inside the La Grande Sub-province close to the contact with the Opinaca metasedimentary Sub-province.
The Joubert property includes assemblages of metasedimentary rocks made up of migmatites (Solomon Formation), migmatized paragneiss, and sillimanite-cordierite paragneiss, in contact with, intermittently metabasaltic, pillowed rocks (Trieste Formation) intersected by tonalites-granodiorites and ultramafic plutons bodies.
The new Stelmine gold discovery allows the projection of a larger WNW-ESE-oriented mineralization zone than initially determined. The Company will go ahead with a more detailed exploration campaign to confirm the potential of this discovery and consider new gold prospective zones.
Isabelle Proulx, President and CEO, Stelmine Canada Ltd
A rigorous QA/QC protocol has been implemented by Stelmine Canada with regard to processing all the rock samples gathered from the Joubert property. The procedure involved insertion and tracking of suitable reference materials.
In this case, low concentration (OREAS-252) and high concentration (OREAS-210) certified gold standards, duplicates, and blanks were used to validate the precision and accuracy of the test outcomes.
All the gathered rock samples were placed in strong plastic bags, tagged, and closed in the field under the management of professional geologists. Subsequently, the sample bags were placed in rice pouches and kept safely at the base camp set up at the Mirage outfitter on the Trans Taiga road.
A reliable transport company was engaged to deliver the samples to Actlabs laboratories based in Ancaster, Ontario. While gold was determined by fire assay technique for the rock samples (1A2_ICP_50 g), other trace elements contents were analyzed through INAA+ICP_OES (1H).