Sitka Announces 1,340,000 Ounce Initial Gold Mineral Resource Estimate for the RC Gold Project, Yukon
Sitka Gold Corp. announced an Initial Mineral Resource Estimate for its Blackjack and Eiger gold deposits at the RC Gold Project in Yukon. The estimate reveals a total Inferred Mineral Resource of 1,340,000 ounces of gold, with a higher grade resource of 900,000 ounces at the Blackjack zone. The resource opens in all directions, enhancing growth potential. Initial metallurgical testing reports high recovery rates of up to 94%. The resource estimate stems from 34 drill holes, totaling 11,630 meters drilled from 2020 to 2022. Future drilling programs totaling 10,000 meters are planned for 2023 to expand the resource further.
- Initial Mineral Resource Estimate of 1,340,000 ounces of gold.
- High-grade resource of 900,000 ounces at Blackjack zone.
- Gold recovery rates of up to 94% from initial metallurgical testing.
- Resource estimate based on 34 drill holes totaling 11,630 meters of drilling.
- Mineral resource classified as inferred, lacking demonstrated economic viability.
Press Release Highlights
- The Initial Mineral Resource Estimate comprises a total Inferred Mineral Resource of 1,340,000 ounces of gold beginning at surface.
- The Blackjack zone discovered in late 2021 contains a higher grade resource of 900,000 ounces of gold at a grade of 0.83 g/t gold at a cut-off grade of 0.25 g/t gold.
- The Blackjack and
Eiger gold deposits are open in all directions and the resource does not include other areas including the Saddle zone where drilling has confirmed the presence of additional gold mineralization. - Located in
Yukon 's Tombstone Gold Belt, a rapidly expanding mining district. - Initial metallurgical testing indicates that the gold is not refractory and has high gold recoveries of up to
94% with minimal NaCN consumption (see News Release datedJuly 13 , 2022).
This pit constrained Mineral Resource is classified as inferred and contained in two near/on-surface zones: The Blackjack and
Table 1: RC Gold Inferred Mineral Resource Estimate
COG g/t Au | Combined | ||||||||||
Tonnes 000's | Au g/t | Tonnes 000's | Au g/t | Tonnes 000's | Au g/t | ||||||
0.20 | 35,798 | 0.80 | 921 | 32,523 | 0.45 | 471 | 68,321 | 0.63 | 1,391 | ||
0.25 | 33,743 | 0.83 | 900 | 27,362 | 0.50 | 440 | 61,105 | 0.68 | 1,340 | ||
0.30 | 31,282 | 0.88 | 885 | 22,253 | 0.55 | 393 | 53,535 | 0.74 | 1,279 | ||
0.35 | 29,065 | 0.92 | 860 | 17,817 | 0.60 | 344 | 46,882 | 0.80 | 1,203 | ||
0.40 | 26,975 | 0.96 | 833 | 14,506 | 0.66 | 308 | 41,481 | 0.86 | 1,1402 |
Notes | |
1. | Mineral resource estimate prepared by |
2. | The cut-off grade of 0.25 g/t Au is believed to provide a reasonable margin over operating and sustaining costs for open-pit mining and processing |
3. | Mineral resources are constrained by an optimized pit shell using the following assumptions: |
4. | Mineral resources are not mineral reserves and do not have demonstrated economic viability. |
5. | Totals may not sum due to rounding. |
The resource estimate is based on analytical data from 34 drill holes representing 11,630m of drilling. A National Instrument 43-101 Technical Report describing the details of the mineral resource estimate is in preparation and will be filed on SEDAR within 45 days of this news release.
"The production of an initial resource of over 1.3 million ounces of gold with only 34 diamond drill holes marks a major milestone for our flagship project in the
The Blackjack and
Table 2: RC Gold Drill Highlights 2020-2022
BLACKJACK ZONE | ||||||||
Drillhole ID | Azimuth | Dip | Length (m) | From (m) | To (m) | Interval (m)* | Au (g/t) | News Release |
DDRCCC-20-02 | 200 | -60 | 296.0 | 9.0 | 296.0 | 287.0 | 0.52 | |
Including | 156.4 | 257.1 | 100.8 | 0.82 | ||||
DDRCCC-21-07 | 208 | -58 | 336.0 | 18.0 | 336.0 | 318 | 0.45 | |
including | 262.0 | 294.0 | 32.0 | 1.24 | ||||
DDRCCC-21-021 | 320 | -54 | 480.0 | surface | 220.0 | 220.0 | 1.17 | |
Including | 120.0 | 170.5 | 50.5 | 2.08 | ||||
DDRCCC-22-022 | 320 | -45 | 364.6 | 46.0 | 319.0 | 273.0 | 0.52 | |
Including | 253.0 | 315.0 | 62.0 | 1.21 | ||||
DDRCCC-22-023 | 320 | -61.5 | 285.0 | 4.2 | 210.0 | 205.8 | 1.01 | |
Including | 46.0 | 137.0 | 91.0 | 1.61 | ||||
DDRCCC-22-024 | 277 | -47 | 204.0 | 4.5 | 112.0 | 107.5 | 1.44 | |
Including | 16.0 | 82.0 | 66.0 | 2.11 | ||||
DDRCCC-22-025 | 320 | -46 | 389.2 | 19.0 | 368.0 | 349.0 | 0.71 | |
Including | 25.0 | 246.0 | 221.0 | 1.01 | ||||
DDRCCC-22-026 | 140 | -45 | 374.0 | 152.0 | 194.0 | 42.0 | 0.43 | |
DDRCCC-22-027 | 320 | -55 | 209.0 | 6.0 | 18.0 | 12.0 | 0.83 | |
and | 131.0 | 145.0 | 14.0 | 1.49 | ||||
DDRCCC-22-028 | 320 | -50 | 254.0 | 6.0 | 28.0 | 22.0 | 0.69 | |
and | 185.6 | 198.0 | 12.4 | 0.76 | ||||
DDRCCC-22-029 | 320 | -50 | 308.0 | 27.0 | 143.0 | 116.0 | 0.65 | |
Including | 124.0 | 143.0 | 19.0 | 1.22 | ||||
DDRCCC-22-030 | 320 | -50 | 398.0 | 1.4 | 148.0 | 146.6 | 0.90 | |
Including | 2.8 | 36.6 | 33.8 | 1.42 | ||||
DDRCCC-22-031 | 320 | -50 | 359.0 | 147.0 | 216.0 | 69.0 | 0.51 | |
Including | 147.0 | 157.0 | 10.0 | 1.18 | ||||
DDRCCC-22-032 | 320 | -54 | 386.0 | 255.0 | 265.0 | 10.0 | 0.42 | |
and | 352.0 | 362.4 | 10.4 | 10.4 | 0.47 | |||
DDRCCC-22-033 | 320 | -50 | 344.0 | 104.6 | 114.7 | 10.1 | 1.56 | |
and | 292.0 | 311.0 | 19.0 | 1.03 | ||||
DDRCCC-22-035 | 320 | -50 | 244.0 | 156.0 | 164.4 | 8.4 | 0.95 | |
DDRCCC-22-036 | 34.9 | 167.0 | 132.1 | 0.51 | ||||
DDRCCC-22-037 | 125 | -50 | 305.0 | 186.0 | 223.5 | 37.5 | 0.68 | |
DDRCCC-22-038 | 315 | -50 | 545.0 | 73.0 | 474.5 | 401.5 | 0.63 | |
Including | 176.0 | 356.0 | 180.0 | 1.04 | ||||
DDRCCC-22-039 | 320 | -54 | 480.0 | 336.0 | 348.0 | 12.0 | 0.52 | |
and | 357.0 | 367.0 | 10.0 | 0.60 | ||||
DDRCCC-22-040 | 320 | -55 | 209.0 | 8.0 | 209.0 | 201.0 | 1.26 | |
including | 8.0 | 90.0 | 82.0 | 2.04 | ||||
SADDLE ZONE | ||||||||
DDRCCC-20-01 | 180 | -45 | 209 | Surface | 84.8 | 84.8 | 0.52 | |
DDRCCC-21-19 | 180 | -45 | 195.6 | 48.0 | 128.0 | 80.0 | 0.59 | |
Including | 80.0 | 96.0 | 16.0 | 2.18 | ||||
EIGER ZONE | ||||||||
DDRCCC-20-03 | 341 | -45 | 307.4 | 3.0 | 307.4 | 304.4 | 0.36 | |
including | 243.0 | 300.5 | 57.5 | 0.50 | ||||
DDRCCC-20-04 | 189 | -45 | 281 | 2.1 | 281.0 | 278.8 | 0.40 | |
Including | 132.0 | 271.0 | 139.0 | 0.61 | ||||
DDRCCC-21-09 | 342 | -45 | 430.0 | 76.0 | 430.0 | 354 | 0.41 | |
Including | 76.0 | 148.0 | 72.0 | 0.72 | ||||
DDRCCC-21-10 | 344 | -45 | 458.0 | 39.0 | 441.5 | 402.5 | 0.40 | |
Including | 136.5 | 174.3 | 37.8 | 1.03 | ||||
DDRCCC-21-11 | 308 | -46 | 224.0 | 124.0 | 147.0 | 23.0 | 0.50 | |
DDRCCC-21-12 | 340 | -45 | 419.0 | 25.0 | 50.0 | 25.0 | 0.67 | |
And | 166.0 | 173.0 | 7.0 | 1.20 | ||||
DDRCCC-21-13 | 340 | -50 | 476.0 | 113.0 | 326.0 | 213.0 | 0.45 | |
Including | 267.0 | 326.0 | 59.0 | 0.62 | ||||
DDRCCC-21-14 | 340 | -50 | 490.3 | 265.0 | 477.0 | 212.0 | 0.41 | |
Including | 273.0 | 355.0 | 82.0 | 0.61 | ||||
DDRCCC-21-16 | 340 | -45 | 435.0 | 39.0 | 51.0 | 12.0 | 1.18 | |
and | 136.0 | 161.0 | 25.0 | 0.56 |
*Intervals are drilled core length, as insufficient drilling has been completed at this time to determine true widths
Drilling at the RC Gold project has been planned to provide Sitka geologists with a solid database of drilling data to understand controls on mineralization observed in both intrusive and metasedimentary host rocks while also providing the necessary spatial density to generate the initial resource estimate. Assay results from drilling along with structural information obtained from oriented drilling, data from detailed core logging, reprocessed Lidar data and interpretation of an airborne magnetic geophysical survey will form the basis for planning of the 2023 resource expansion drilling program.
Quality assurance/quality control
On receipt from the drill site, the HQ-sized drill core was systematically logged for geological attributes, photographed and sampled at Sitka's 2022 field camp. Sample lengths as small as 0.3 m were used to isolate features of interest, otherwise a default 2 m downhole sample length was used. Core was cut in half lengthwise along a predetermined line, with one-half (same half, consistently) collected for analysis and one-half stored as a record. Standard reference materials, blanks and duplicate samples were inserted by Sitka personnel at regular intervals into the sample stream. Bagged samples were placed in secure bins to ensure integrity during transport. They were delivered by Sitka personnel or a contract expeditor to ALS Laboratories' preparatory facility in
- ALS is accredited to ISO 17025:2005 UKAS ref. 4028 for its laboratory analysis. Samples were crushed by ALS to over 70 per cent passing below two millimetres and split using a riffle splitter. One-thousand-gram splits were pulverized to over 85 per cent passing below 75 microns. Gold determinations are by fire assay with an inductively coupled plasma mass spectroscopy (ICP-MS) finish on 50 gsubsamples of the prepared pulp (ALS code: Au-ICP-22). Any sample returning over 10 g/t Au was re-analyzed by fire assay with a gravimetric finish on a 50 gsubsample (ALS code: Au-GRA21). In addition, a 51-element analysis was performed on a 0.5 gsubsample of the prepared pulps by an aqua regia digestion followed by an inductively coupled plasma mass spectroscopy (ICP-MS) finish (ALS code: ME-MS41).
*For more detailed information on the underlying properties please visit our website at www.sitkagoldcorp.com.
Deposit Model
Exploration on the Property has mainly focused on identifying an intrusion-related gold system ("IRGS"). The property is part of the Tombstone Gold Belt which is the prominent host to IRGS deposits within the
(1) | Sims J. Fort Knox Mine Fairbanks North Star Borough, Alaska, USA National Instrument 43-101 Technical Report. |
(2) | Goodwin R, Gray P, Jutras M, Tang S, Wilbur S. Technical Report for the |
(3) | Hulse D, Emanuel C, Cook C. NI43-101 Technical Report on Mineral Resources. |
(4) | Simpson R. |
(5) | Banyan Gold News Release Dated |
Upcoming Events
- Roundup,
Vancouver, BC :January 23 - 26, 2023 - Coreshack Booth #925,
January 23rd and 24th Vancouver Resource Investment Conference :January 29 - 30, 2023 - Booth #123
- Yukon Leaders Corporate Update and CEO Gold Roundtable:
January 29 th from2:30pm –3pm PST - CEM Whistler Capital Event,
Whistler, BC :February 10 - 12, 2023 - PDAC,
Toronto, Ontario :March 5 - 8, 2023 - Booth #2346
All events are subject to change.
Sitka has received all assay results from its 2022 diamond drill program at its
The scientific and technical content of this news release has been reviewed and approved by
ON BEHALF OF THE BOARD OF DIRECTORS OF
"
President and Director
Cautionary and Forward-Looking Statements
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Forward-looking statements and information are provided for the purpose of providing information about the current expectations and plans of management of the Company relating to the future. Readers are cautioned that reliance on such statements and information may not be appropriate for other purposes, such as making investment decisions. Since forward-looking statements and information address future events and conditions, by their very nature they involve inherent risks and uncertainties. Actual results could differ materially from those currently anticipated due to a number of factors and risks. These include, but are not limited to, the expected timing and terms of the private placement, use of proceeds, anticipated work program, required approvals in connection with the work program and the ability to obtain such approvals. Accordingly, readers should not place undue reliance on the forward-looking statements, timelines and information contained in this news release. Readers are cautioned that the foregoing list of factors is not exhaustive.
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FAQ
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