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Significant Channel Sampling Results at New Departure Silver Mine
Black Mountain Resources Limited (LSE:BMZ), the silver focused development company with interests in the US, has announced that high grade silver results have been returned from channel sampling at its New Departure Silver Mine in Montana.
Highlights:
* Extremely high grade sampling results surpass expectations with up to 422 oz/t of silver (`Ag’) returned over 1.9m – grades never before seen with historical results
* 25% of samples taken from Blue Dot Level showed mineralisation of Ag 3oz/t or above
* 111 channel samples were taken in total from the Main Drive and Blue Dot Level in line with the Company’s strategy to complete its 3-D mine model ahead of production upon securing financing
* Results highlight that the Blue Dot level has the greatest potential for hosting a mineral resource in the downward and northwest plunging remainder of the ore body as well as confirming existing historical results
* A second round of underground sampling is planned in August to expand the known high grade zones and move into production
Black Mountain Chairman, Pete Landau, said:
“We are focussed on delivering high grade silver ounces for production and these excellent results, including a significant number of samples that returned over Ag 20oz/t, provide encouraging support for this model. With this in mind, as we finalise funding to enable us to meet our production goal at New Departure, we are strengthening our understanding of the historic mine and further sampling will be undertaken in the coming six weeks which will contribute to our 3-D mine model and ultimately the commencement of mining.”
Sampling Process
111 samples were shipped to Elko, Nevada for sample preparation and assayed in Reno, Nevada and Vancouver, BC. 40 samples were taken from the main drive incline (not a targeted production area) as a follow up sampling programme to ensure mineralised zones that may have been crossed had not been missed. Although generally these results showed little or no mineralisation, several samples showed sufficient mineralisation that deserves follow-up.
48 samples were taken from the Blue Dot Level which is the lowest level of the mine and 25% (12) of these samples showed mineralization of Ag 3oz/t or greater. The Blue Dot level has the greatest potential for hosting a mineral resource in the downward and northwest plunging remainder of the ore body. The balance of the samples was taken from the upper historic workings area where remnant mineralisation and extensions of mineralization from older stoped workings remains. On these levels 14 samples were greater than Ag 3oz/t silver.
Highlights of the results are listed below. Note that silver results are given in ounces per ton (“opt”) and length in meters.
