Channel/trench Sample BRCH19-01 cut a hydrothermal breccia exposed on surface assaying 22.00 metres of 2.00% Cu, 2.27 g/t Au, 34.26 g/t Ag, and 4.69% Zn. This hydrothermal breccia contained a high-grade centre assaying 10.00 metres of 3.29% Cu, 8.59% Zn, 3.75 g/t Au, and 63.40 g/t Ag on surface.
The channel/trench sample is a ~340-metre step-out from the first diamond drill hole results released at
Channel/trench Sample BRCH19-01 Highlights
- 2.00% Cu, 4.69% Zn, 2.27 g/t Au, and 34.36 g/t Ag over 22.00 metres at surface.
- Including 3.29% Cu, 8.59% Zn, 3.75 g/t Au, and 63.40 g/t Ag over 10.00 metres at surface.
- 1.31% Cu, 2.97% Zn, 1.49 g/t Au, and 23.26 g/t Ag on surface over 37.00 metres on surface.
- Approximate 340 metre step-out from initial diamond drill hole results.
Due to time and weather constraints, one diamond drill hole (BRDDH19-016) was roughly targeted towards the
We are very happy with the results to date and anticipate more positive results from the rest of our 2019 maiden diamond drill program to be available for release in the near future. Our team is working diligently in interpreting the multi-element and multi-mineralization events along the entire
The Company is currently receiving, interpreting, and performing QAQC procedures on data from the 2019 Newmont Lake exploration program and will be releasing data as it is ready. Due to the scale of the 2019 Exploration Program, the team is compiling a lot of data to implement into the projects technical database.
Geological Discussion
Channel Sample BRCH19-01's final 7.00 metres cut 0.46% Cu, 0.53 g/t Au, 10.33 g/t Ag, and 0.32% Zn on surface of strong to intense potassic altered rock mineralized with a chalcopyrite stockwork (see Figure 2). The protolith is unknown at this time due to intensity of alteration. The alteration and mineralization styles are indicative of a copper/gold-rich alkalic porphyry systems which may be the ultimate source of mineralization seen along the entire 2.3km Burgundy Trend.
Specific clasts within Green Rock's heterolithic hydrothermal breccia are potassic-altered, trachytic syenites with chalcopyrite stockwork. These clasts are highly significant as they are synonymous with the mineralization observed in the final 7.00 metres of BRCH19-01. This relationship is early evidence for a minimum of 2 mineralization events and styles at
Earlier in the season the Company intersected the first-ever copper/gold-rich porphyry hypogene mineralization at the 72' Zone based on a blind target using hyperspectral technology which measured transitional zones of magnesium and potassium in white micas. Further lithogeochemical and geochronological analyses are underway to fingerprint the intrusion and test whether they are of the same source.
Channel Sampling Procedures
BRCH19-01 represents a 37.00 metre continuous channel/trench sample taken on surface in the
- The channel sample is perpendicular to the limestone contact as to not over-exaggerate width (true width is unknown).
- Surface oxides/hydroxides were avoided as to not over-exaggerate the metal grade of mineralization that was cut, and results are considered to be representative of massive to semi-massive sulphide mineralization, or stockwork sulphide mineralization (see Figure 1 and 2).
- Systematic 1.00 metre whole samples were taken to eliminate sampling bias and ensure reliable assay data.
BRCH19-01 ended in chalcopyrite stockwork mineralization due to snow/time restrictions during the discovery. The on-surface extent remains open in all directions and was visually observed continuing under the snow. The approximate depth of snow at the immediate edge does not represent a significant challenge for exploration in 2020. Figure 2 is a representative sample of the mineralization in the last metre of BRCH19-01 where winter conditions cut channeling short.
QAQC/ Analytical Procedures
Rock samples from the
Soil samples from the
Qualified Person
The technical information in this news release has been reviewed and approved by Mr.
About
On Behalf of the Board of Directors,
"Cole Evans"
Chief Executive Officer
Email: info@crystallakemining.com
www.crystallakemining.com
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