Liberty Gold Corp. (TSX:LGD) is pleased to announce core drilling results from its Carlin-style Black Pine Property in southern Idaho, USA. Six large diameter (PQ) holes were drilled to collect material for: Phase 1 metallurgical column testing; specific gravity measurements; gold deportment studies; validation of Reverse Circulation drilling data; and collection of structural, stratigraphic and alteration information.
All holes returned thick intervals of high grade oxide gold mineralization.
One hole (LBP093C) confirmed the presence of oxide gold mineralization in the Rangefront Target, located 3.1 kilometres (“km”) to the southeast of the Discovery 1 and 2 zones described in previous press releases (see press releases: January 7, 2020; November 5, October 15, October 1, September 12, July 31, July 15 and June 19, 2019). The Rangefront Target, identified in historical drilling, is on-trend with mineralization located to the northwest, but separated from it by a 1.5 km-wide area of shallow cover rocks. Future drilling in the covered area will be focused on linking the Rangefront Target with the large area of mineralization represented by the Discovery 1 and 2 zones.
CORE DRILLING DISCOVERY 1 AND 2 REPORTABLE INTERCEPTS1:
Hole ID (Az, Dip) (degrees) | From (m) | To (m) | Intercept (m) | Au (g/t) | Au Cut-Off | Hole Length (m) | Target | Comments | g/t x m |
LBP067C (104, -66) | 11.6 | 34.6 | 23.0 | 0.38 | 0.2 | 273.7 | Discovery Zone 2 | Near Twin of LBP043 | 185.2 |
and | 78.6 | 81.7 | 3.0 | 1.03 | |||||
and | 170.9 | 185.2 | 14.2 | 0.70 | |||||
and | 188.7 | 244.5 | 55.9 | 2.92 | |||||
including | 195.1 | 217.2 | 22.1 | 5.64 | 1 | ||||
and including | 203.9 | 211.2 | 7.3 | 12.4 | 5 | ||||
LBP073C (144, -81) | 43.9 | 50.4 | 6.5 | 0.28 | 0.2 | 212.8 | Discovery Zone 1 | 50.4 | |
and | 70.0 | 79.9 | 9.9 | 0.25 | |||||
and | 94.1 | 100.4 | 6.4 | 0.34 | |||||
and | 165.5 | 168.3 | 2.8 | 0.50 | |||||
and | 183.5 | 206.7 | 23.2 | 1.84 | |||||
including | 185.6 | 199.3 | 13.7 | 2.79 | 1 | ||||
LBP078C (48, -52) | 3.7 | 15.2 | 11.6 | 0.83 | 0.2 | 194.2 | Discovery Zone 1 | Near Twin of LBP002 | 55.7 |
and | 22.4 | 41.8 | 19.3 | 0.43 | |||||
and | 178.6 | 194.2 | 15.5 | 2.43 | |||||
including | 186.5 | 192.6 | 6.1 | 5.56 | 1 | ||||
and including | 188.1 | 191.1 | 3.0 | 8.10 | 5 | ||||
LBP082C (15, -82) | 24.8 | 38.1 | 13.3 | 0.34 | 0.2 | 264.6 | Discovery Zone 1 | 42.4 | |
and | 55.5 | 57.0 | 1.5 | 0.77 | |||||
and | 65.8 | 82.5 | 16.7 | 0.30 | |||||
and | 183.8 | 189.7 | 5.9 | 0.24 | |||||
and | 196.8 | 216.6 | 19.7 | 0.70 | |||||
including | 200.6 | 205.1 | 4.6 | 1.50 | 1 | ||||
and | 231.0 | 235.6 | 4.6 | 0.25 | 0.2 | ||||
and | 240.2 | 264.6 | 24.4 | 0.63 | |||||
including | 251.2 | 253.9 | 2.7 | 1.35 | 1 | ||||
LBP087C (120, -80) | 15.2 | 22.2 | 6.9 | 0.23 | 0.2 | 186.5 | Discovery Zone 1 | 42.2 | |
and | 34.4 | 36.9 | 2.4 | 0.40 | |||||
and | 84.7 | 87.8 | 3.0 | 0.37 | |||||
and | 100.0 | 103.8 | 3.8 | 0.49 | |||||
and | 142.2 | 171.3 | 29.1 | 1.26 | |||||
including | 162.5 | 171.3 | 8.8 | 1.77 | 1 |
1A number of mineralized intervals were omitted from this table for brevity. Please refer to the full table at the link below for complete results. Grams per Tonne Gold abbreviated as “g/t Au”. Metres abbreviated as “m”.
Key Points
The core holes were designed to sample a wide range of grades and rock types, primarily within the Discovery 1 Zone, with one hole in the Discovery 2 Zone and one testing historical drilling in the Rangefront Target, located 3.1 km southeast of the Discovery 1 and 2 zones.
The core holes encountered thick oxide gold intercepts in all drill holes.
Weighted average cyanide solubility for the primary high-grade interval in LBP067C is 95%, and for LBP087C, 94%.
With all holes now reported, 9 of the top 10 unmined intercepts on the Black Pine Property have been drilled by Liberty Gold. Please see the Black Pine Unmined Intervals chart below. Drill holes highlighted in yellow were drilled by Liberty Gold:
Black Pine Unmined Intervals | ||||||
Rank | Hole ID | From metres | To metres | Interval metres | Au g/t | Au gXm |
1 | LBP043 | 208.8 | 262.1 | 53.3 | 4.39 | 234.0 |
2 | LBP064 | 112.8 | 175.3 | 62.5 | 3.38 | 211.3 |
3 | LBP067C | 188.7 | 244.5 | 55.9 | 2.92 | 163.3 |
4 | LBP062 | 129.5 | 173.7 | 44.2 | 3.14 | 138.9 |
5 | LBP088 | 257.6 | 318.5 | 61.0 | 2.10 | 128.3 |
6 | LBP002 | 111.3 | 189.0 | 77.7 | 1.49 | 116.1 |
7 | LBP029 | 166.1 | 207.3 | 41.1 | 2.56 | 105.1 |
8 | LBP051 | 131.1 | 172.2 | 41.1 | 2.51 | 103.5 |
9 | 89-417 | 67.1 | 117.4 | 50.3 | 1.98 | 99.7 |
10 | LBP054 | 248.4 | 349.0 | 100.6 | 0.95 | 95.1 |
11 | 87-169 | 79.3 | 121.9 | 42.7 | 2.10 | 89.6 |
12 | LBP069 | 160.0 | 217.9 | 57.9 | 1.52 | 88.1 |
13 | LBP023 | 204.2 | 253.0 | 48.8 | 1.78 | 86.9 |
14 | 88-357 | 61.0 | 121.9 | 61.0 | 1.40 | 85.3 |
15 | LBP021 | 189.0 | 236.2 | 47.2 | 1.78 | 84.3 |
16 | 92BP-078 | 21.3 | 76.2 | 54.9 | 1.50 | 82.1 |
17 | 88-366 | 74.7 | 86.9 | 12.2 | 6.66 | 81.2 |
18 | LBP066 | 173.7 | 243.8 | 70.1 | 1.15 | 80.6 |
19 | 92BX-18 | 1.5 | 68.6 | 67.1 | 1.18 | 79.2 |
20 | LBP055 | 190.5 | 266.7 | 76.2 | 0.99 | 75.6 |
CORE DRILLING RANGEFRONT TARGET REPORTABLE INTERCEPT:
Hole ID (Az, Dip) (degrees) | From (m) | To (m) | Intercept (m) | Au (g/t) | Au Cut-Off | Hole Length (m) | Target | Comments | g/t x m |
LBP093C (0, -90) | 21.8 | 25.3 | 3.5 | 0.41 | 0.2 | 119.8 | Rangefront Target | Hole ended in grade | 31.4 |
and | 26.8 | 32.8 | 5.9 | 0.23 | |||||
and | 46.2 | 101.5 | 55.3 | 0.49 | |||||
incl | 93.2 | 96.9 | 3.7 | 1.80 | 1 | ||||
and | 113.7 | 119.8 | 6.1 | 0.28 | 0.2 |
Rangefront Target Key Points
LBP093C in the Rangefront Target encountered a total of 74.5 m of above cut-off oxide mineralization at shallow depth, including 55.3 m grading 0.49 g/t Au starting at a depth of 46.2 m.
Approximately 65% of LBP93C is above the cut-off grade for reporting of 0.2 g/t Au. The drill hole bottomed in above cut-off grade material and will be extended in future drilling.
Average cyanide solubility for above cut-off material in LBP93C is 93%.
Host rocks for gold mineralization at the Rangefront Target include fine sandstone and calcareous siltstone which are the same host rocks at the Discovery 1 and 2 zones.
For a map of drill collars, bulk sample locations and regional cross section for the current release, please click here: https://libertygold.ca/images/news/2020/january/BlackPine_NR01162020Map.pdf
For a complete table of drill results from all Liberty Gold drill holes at Black Pine, please click here: https://libertygold.ca/images/news/2020/january/BP_NR01162020Intercepts.pdf
For highlight core photos, please click here: https://libertygold.ca/images/news/2020/january/BlackPine_NR01162020Corephotos.pdf
Click here for a list of the top 500 unmined gold intercepts at Black Pine:
https://libertygold.ca/images/news/2020/january/BlackPine_NR01162020HH.pdf
Core from the six holes will be used to carry out a Phase 1 metallurgical column testing and characterization program. In addition, six bulk samples (~1000 kilograms) were collected with a backhoe from historic pits for column testing, with head assays ranging from 0.23 to 4.06 g/t gold. The head grades highlight the tenor of gold mineralization left behind in the historic pit walls. Results are expected in early Q3.
Drilling and assaying are completed for 2019, with a total of 20,900 m drilled in 87 RC and 6 core holes.
“With our 2019 field program now complete, we will spend the next two months working toward implementing a much larger drill program in 2020, commencing in mid-March,” stated Moira Smith, Vice President, Exploration and Geoscience for Liberty Gold. “We are now updating the model, designing the metallurgical program, and amending our permit to allow drilling in a new, 3 km2 area between the main permit area and the Rangefront Target, where we expect to link mineralization between the two outcropping zones under shallow sandstone cover. Given the grade and tenor of oxide gold encountered at Black Pine in the initial 1 km2 Focus Area, our pre-drilling, 2 to 4 million ounce property-scale estimate of gold endowment now appears to be conservative. Only 5% of the 12 km2 overall target has been drill verified by Liberty Gold to date.”
About Black Pine
Black Pine is located in the northern Great Basin, immediately adjacent to the Utah/Idaho border. It is a Carlin-style gold system, similar in many ways to the prolific deposits located along Nevada’s Carlin trend. Like Newmont’s Long Canyon deposit, Black Pine represents a growing number of Carlin-style gold systems located off the main Carlin and Cortez trends in underexplored parts of the Great Basin. The historic Black Pine Mine operated from 1992 to 1997, during a period of historically low gold prices, with 435,000 ounces of gold produced from five composite, shallow pits.
A virtual site tour and 3D model of Black Pine property, including details about the geology and mineralization, is available on the homepage of the Company’s website, www.libertygold.ca.
A Technical Report is also available on the Company website:
https://libertygold.ca/images/pdf/BlackPine_NI43-101_2018.pdf
Moira Smith, Ph.D., P.Geo., Vice-President Exploration and Geoscience, Liberty Gold, is the Company’s designated Qualified Person for this news release within the meaning of National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”) and has reviewed and validated that the information contained in the release is accurate. Drill composites were calculated using a cut-off of 0.20 g/t. Drill intersections are reported as drilled thicknesses. True widths of the mineralized intervals vary between 30 and 100% of the reported lengths due to varying drill hole orientations, but are typically in the range of 60 to 80% of true width. Drill samples were assayed by ALS Limited in Reno, Nevada for gold by Fire Assay of a 30 gram (1 assay ton) charge with an AA finish, or if over 5.0 g/t were re-assayed and completed with a gravimetric finish. For these samples, the gravimetric data were utilized in calculating gold intersections. For any samples assaying over 0.200 ppm an additional cyanide leach analysis is done where the sample is treated with a 0.25% NaCN solution and rolled for an hour. An aliquot of the final leach solution is then centrifuged and analyzed by Atomic Absorption Spectroscopy. QA/QC for all drill samples consists of the insertion and continual monitoring of numerous standards and blanks into the sample stream, and the collection of duplicate samples at random intervals within each batch. Selected holes are also analyzed for a 51 multi-element geochemical suite by ICP-MS. ALS Geochemistry-Reno is ISO 17025:2005 Accredited, with the Elko prep lab listed on the scope of accreditation.
ABOUT LIBERTY GOLD
Liberty Gold is focused on exploring the Great Basin of the United States, home to large-scale gold projects that are ideal for open-pit mining. This region is one of the most prolific gold-producing regions in the world and stretches across Nevada and into Idaho and Utah. We know the Great Basin and are driven to discover and advance big gold deposits that can be mined profitably in open-pit scenarios. Our flagship projects are Black Pine in Idaho and Goldstrike in Utah, both past producing open-pit mines, where previous operators only scratched the surface.
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