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Meridian Reports 750m High Grade Gold Trend at Cabaçal Northwest Extension

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Meridian Reports 750m High Grade Gold Trend at Cabaçal Northwest Extension






CD046 intercepts 11.7m @ 5.7g/t Au, along strike from JUSPD-216’s 3.2m @ 237.7g/t Au



Meridian Mining UK S (TSXV: MNO) (Frankfurt: 2MM) (OTCQB: MRRDF) is pleased to report the first results of its drill program targeting a 750m long high-grade gold trend northwest of the Cabaçal Mine; the Cabaçal Northwest Extension. CNWE is part of the Cabaçal Copper-Gold Project in Mato Grosso, Brazil. CD046 intercepted a high-grade gold zone of 11.7m @ 5.7 g/t Au including 0.3 @ 183.4 g/t Au, within a broader Copper and Silver rich zone. The hole was located as a 50m step out from BP’s diamond drill hole JUSPD216 that reported1 3.2m @ 237.7g/t Au, including 0.45m @ 1672.1 g/t Au. CNWE’s high grade gold trend extends out from the Cabaçal mine and is hosted by the same shallow dipping Cu-Au-Ag VMS stratigraphy, that like the Cabaçal gold mine, is over-printed by a later stage Northwest trending high grade gold event that is sub-vertical in nature. The drilling along the CNWE, is sparse and principally vertical, poorly covering these sub-vertical high grade Au structures that can host extremely high gold values.


Highlights of today’s update:


  • Meridian reports unmined 750m open extension to high-grade gold trend with 11.7m @ 5.7 g/t Au, 0.3% Cu and 1.9g/t Ag from 69.45m;
    • Peak assays include 183.4 g/t Au, 4.0% Cu and 30.1 g/t Ag2;
  • CD046 returns 11.7m @ 5.7 g/t Au in a 50m step out from JUSPD-216’s 3.2m @ 237.7 g/t Au;
  • High Grade 750m gold trend being delineated at the Cabaçal Northwest Extension;
  • The Cabaçal Northwest Extension’s high grade gold trend remains open, infill drilling continues; and
  • CD046 is up dip from the Cabaçal West’s 1000m BHEM conductor.


“CD046’s results strengthen our belief that the Cabaçal Northwest Extension has the potential to host significant high grade gold and VMS type Cu-Au-Ag mineralization” commented Dr Adrian McArthur, CEO and President. “We will continue to test these near-mine extensions, which were historically drilled vertically on very broad ~100m spacings. The historical vertical holes were designed for the flatter lying Cu-Au-Ag VMS stratigraphy present, but under-represent the potential seen in these later stage high-grade gold structures with steeper dips. Today’s results show great promise for delivering further strong gold results from infill and extensional drilling along the Cabaçal Northwest Extension’s trend.”


1 Historical analytical methods summarised in the Note section below
2 Sample ID: CBDS05519 (Au & Ag values), CBDS05509 (Cu value)




Figure 1. Top: Location of the CD-046 intersection, in relation to historical results seen in very broad spaced reconnaissance drilling historically conducted at the Northwest Extension. Bottom: Cross section (+/- 35m window), looking Northwest showing the location of CD-046 in relation to historical drilling 50m to the Southeast.


Following the review of the geological database that incorporated many first-hand discussions and the review of the original maps by the actual geologists of the Cabaçal Mine. It was noted that various high to extremely high gold intercepts within the Cabaçal mine were:


  • Related to sub vertical structures that trended Northwest-Southeast;
  • These gold hosting structures continued outwards from the mine’s workings;
  • These structures have a high angle to sub-vertical dip to the Southwest; and
  • Were hosted within the broader flat lying Cu-Au-Ag VMS layers.


The Company reviewed the drill hole database for potential extensions to these high grade gold structures and the CNWE was targeted for its strong intercepts of high to extremely high gold assays leading out from the mine. This trend however is very sparsely covered by angled drilling, that is needed to intercept both the shallow-dipping VMS stratigraphy and the later sub-vertical structures; most of the historical holes are vertical and likely to miss a vertical structure. A prominent gold-in-soils anomaly commences over the Cabaçal Mine and extends over 1km, straddling both the Mine and the Northwest Extension trend, providing a broad target for infill drilling to test the high-grade gold (and base metal) potential.


Having now intersected high-grade gold mineralization to the Northwest and Southeast of the mine’s workings in the current drill program, it is apparent that the closure of the mine was influenced by the geographical limit of the data that supported the BP / RTZ reserve estimation, but the mining ended in mineralisation that is considered open.


CD-046 is 1km east of the Cabaçal West BHEM conductor, and the Company is highly encouraged by the strong base metal intervals seen in the lower sector of CD-046. This includes a lower zone of elevated Cu-Au-Ag & Zn including 3 metres where Zn was grading higher than 1.0% (102 to 105m).



Hole Id Zone* Intercept Grade From
CuEq Cu Au Ag Zn Pb
(m) (%) (%) (g/t)   (g/t) (%) (%) (m)
 CD-046 NWE 11.7 3.7 0.3 5.7 1.9 0.0 0.0 69.45
Including 0.3 4.0 9.8 12.2 0.0 0.0 69.45
0.3 2.0 20.9 13.9 0.0 0.0 70.95
0.3 0.5 183.4 30.1 0.0 0.1 75.7
and 5.8 0.7 0.4 0.1 3.4 0.8% 0.0 99.2
Drill Details
Hole Id Dip Azimuth EOH
CD-046 -58 068 130.4
JUSPD-216 -90 000 139.4
Table 1


Qualified Person


Dr. Adrian McArthur, B.Sc. Hons, PhD. FAusIMM., CEO and President of Meridian Mining as well as a Qualified Person as defined by National Instrument 43-101, has supervised the preparation of the technical information in this news release.





Meridian Mining UK S is focused on the acquisition, exploration, and development activities in Brazil. The Company is currently focused on resource development of the Cabaçal VMS Copper-Gold project, exploration in the Jaurú & Araputanga Greenstone belts located in the state of Mato Grosso; exploring the Espigão polymetallic project and the Mirante da Serra manganese project in the State of Rondônia Brazil.




Posted September 2, 2021

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