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Endeavour Silver Drilling Intersects New High-Grade Gold-Silver Mineralization in Melladito Vein at Bolanitos Mine, Guanajuato, Mexico

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Endeavour Silver Drilling Intersects New High-Grade Gold-Silver Mineralization in Melladito Vein at Bolanitos Mine, Guanajuato, Mexico

 

 

 

 

 

Endeavour Silver Corp. (NYSE: EXK) (TSX: EDR) announces that exploration drilling in Q1, 2020 intersected new high-grade gold-silver mineralization in the Melladito vein at the Bolanitos mine in Guanajuato, Mexico.  A total of 14 holes were drilled and 8 holes intersected high grades over minable widths (view longitudinal section here).

 

Drilling highlights of 8 core holes include the following intersections:

 

  • 24.3 grams per tonne (gpt) gold and 787 gpt silver over a 1.5 meter (m) true width in hole BN27 (3,217 gpt or 93.8 oz per ton (opT) silver equivalents (AgEq) at a 100:1 silver:gold ratio)
  • 12.5 gpt gold and 50 gpt silver over a 1.1 m true width (1,300 gpt or 37.9 opT AgEq)
  • 7.37 gpt gold and 170 gpt silver over a 2.7 m true width (907 gpt or 26.4 opT AgEq)

 

The eight drill holes outline a new mineralized zone 100 m long by 200 m deep, open in all directions.  It could connect with the historic high-grade San Ramon mine workings immediately west of and the San Pablo mine workings immediately east of the drill holes.  This part of the Melladito vein was not previously explored and represents an exciting new area for resource estimation and mine development.

 

Bradford Cooke, Endeavour Director and CEO, commented, “Last year at Bolanitos, we were successful in outlining new resources in the San Miguel vein, now under development, and we expect to commence mining at San Miguel in Q3, 2020.  This year, we are discovering new resources in the Melladito vein, which should allow us to develop and mine there next year, as the orebody is only 300 m from the La Luz Ramp and 300 m from the San Miguel ramp.”

 

“Exploration activities were halted on April 1, 2020 due to the government mandated suspension of non-essential activities during the COVID-19 pandemic.  Now that the government has decreed that the mining industry can go back to work, subject to certain conditions, the exploration team will resume drilling at Bolanitos and other projects on or after June 1, 2020.”

 

Drilling results are summarized in the following table:

 

Hole Structure From True
width
Au Ag AgEq
(m) (m) (gpt) (gpt) (gpt)
BN-27 Melladito 113.65 1.5 24.34 787 3,221
Including 113.65 0.2 91.8 2,200 11,380
BN-31 Bolanitos-San Miguel 132.9 1.1 12.48 50 1,298
Including 134.3 0.2 50.8 191 5,271
BN-32 Melladito 67.5 2.7 7.37 170 907
Including 69.85 0.6 9.47 327 1,274
BN-33 Melladito 93.3 1.8 3.87 140 527
Including 94.5 1 6.8 249 929
BN-34 Melladito 187.65 4.5 1.29 108 237
Including 194.5 0.5 0.67 627 694
Fw Melladito 213.35 1.6 9.85 16 1,001
Including 215.45 0.4 27.4 37 2,777
BN-35 Melladito 216.3 1.1 0.73 306 379
Including 217 0.4 0.77 470 547
BN-36 Melladito 243.1 4.3 2.06 18 224
Including 247.35 0.4 4.62 5 467
BN-39 Melladito 251.6 0.8 1.86 828 1,014
Including 252 0.5 2.91 1,395 1,686
Fw Melladito 268.5 4.9 2.39 13 252
Including 272.25 0.9 3.5 16 366

 

Silver equivalents are calculated at a ratio of 100:1 silver: gold. All widths are estimated true widths.

 

Qualified Person and QA/ QC

 

Godfrey Walton, M.Sc ., P.Geo ., Endeavour President and COO, is the Qualified Person who reviewed and approved this news release and supervised the drilling programs in Mexico. A Quality Control sampling program of reference standards, blanks and duplicates is used to monitor the integrity of all assay results. All samples are split at the local field office and shipped to ALS-Chemex Labs, where they are dried, crushed, split and 50 gram pulp samples are prepared for analysis. Gold is determined by fire assay with an atomic absorption (AA) finish and silver by aqua regia digestion and ICP finish, over-limits by fire assay and gravimetric finish.

 

About Endeavour Silver

 

Endeavour Silver Corp. is a mid-tier precious metals mining company that owns and operates three high-grade, underground, silver-gold mines in Mexico. Endeavour is currently advancing the Terronera Mine project towards a development decision and exploring its portfolio of exploration and development projects in Mexico and Chile to facilitate its goal to become a premier senior silver producer.  Our philosophy of corporate social integrity creates value for all stakeholders.

 

Posted May 21, 2020

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