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Bayhorse Silver Inc Profile



Bayhorse Silver Mine in Oregon


The Company’s plans are to extract up to 5,000 cubic yard bulk sample (approximately 15,000 tons) from the high grade silver zone at its Bayhorse silver mine, that, subject to financing, is expected to commence late in the 1st quarter of 2015. Based upon the average 1984 historic mining grades of 572 g/t Ag (16.7 oz/t Ag), the bulk sample has the potential to contain as much as 250,800 oz/Ag. The Company has successfully tested dense media separation (“DMS”) on the mineralized material and anticipates that using DMS will reduce the waste material by 88%, thus giving a significant upgrade.

American Mining and Tunneling of Elko Nevada has been engaged to rehabilitate the adit and, subject to financing, work is expected to be completed towards the end of March, 2015. Underground sampling and drilling will then immediately commence to confirm the historic underground assays and to determine what will be required to bring the reported historic resource up to a NI-43-101 reporting standards.

The mineralized zone consists of a stockwork, that includes bonanza grade mineralization up to 4,835 opt Ag, is approximately 80 feet wide and is open along strike to the west and to depth. It has the potential to contain a significant high grade silver resource. The Company has also identified potential mineralization along strike to the east and has added another six claims to the property to cover this zone.

The flotation test results announced in our recent news release, (BHS2013-13), indicate the proposed bulk sample may also contain significant amounts of copper (Cu), zinc (Zn), and antimony (Sb).
Subject to the success of the first proposed bulk sample, an additional bulk sample of the same size is anticipated to be completed by early 2016.

Historic Information:

The Company advises that information presented below is of a historic nature and historic production, estimates, drill information and grades disclosed here have not been verified; A qualified person has not done sufficient work to verify the historical estimates nor classify the historical estimates as current mineral resources or mineral reserves and the Company is not treating the historical estimates as current mineral resources or mineral reserves. (ounces/grams conversion is one ounce/short ton = 34.2857 grams/tonne) The contents have been reviewed and approved by Dr. Clay Conway, P. Geol., a Qualified Person as recognized by National Instrument NI-43-101 and a director of the Company.

Mining has been conducted intermittently at Bayhorse since the early 1920′s and the mine last closed after the price of silver dropped to under US$6/oz in late 1984. The property has remained dormant since. The Bayhorse mine has two existing accessible adits, the upper extending about 800 feet westward into the hill and the lower extending about 500 feet into the hill. The intermediate level is reached through a new adit that was constructed in 1984, and by raises from the lower level and winzes from the upper level. Three areas have been stopped in the ground between the upper and middle level.

As “stated in the minerals production yearbook” (Jacobsen, 1959), total reported historic production from the Bayhorse Mine through 1959 was 286,000 ounces of silver from 8,300 tons of ore for an average of approximately 35.5 opt Ag (1,217 g/t Ag). Herdrick (1981) reported a resource of 166,208 tons at 17 – 20 oz/ton Ag at a 7.5 opt Ag cutoff.

According to other more recent reports in 1984, 90 underground drill holes totaling approximately 15,000 feet reportedly delineated approximately 26,000 tons of silver bearing mineralization of which 5,718 tons were reported being produced at an average grade of 16.7 opt Ag (572.5 g/t Ag) while approximately 20,000 tons at an average of 15 opt Ag reportedly remained unmined. The historic records also indicate that of the 5,718 tons produced, approximately 23% reportedly graded between 21 – 100 opt Ag, 71% reportedly graded between 6 opt – 20 opt Ag and 6% reportedly graded less than 6 opt Ag. Ancilliary copper produced reportedly averaged 1% Cu. The highest reported grade from the 1984 drilling, sampling and mining program was a round that reportedly assayed 691 opt Ag (23,691 g/t Ag) and 15.72% Cu from a acanthite, sphalerite and tetrahedrite-tennantite rich vein.

Both adits on the property are open, but the workings are not entirely accessible at present due to safety issues. Historic reports indicate that the mineralization, consisting mainly of tehrahedrite/tennantite, occurs in a 60-80 feet wide in a zone along an andesite and rhyolite contact. Minor copper, zinc and antimony are associated with the silver. Azurite and malachite coatings are common in oxidized parts of mineralized ground on the walls of the excavated stopes. Additional minerals include enargite, dufrenoysite and cuprodesclosite. Gold values of up to 10 g/t Au have also been reported in the mineralization.


Last changed at 17-Nov-2019 11:30AM by RockLicker