
Interra Copper Corp. (CSE: IMCX) (OTCQB: IMIMF) (FRA: 3MX) announces further Drilling Results from the Gully Area at its 20,600 hectare Thane Property, located on traditional territory of the Takla and Tsay Keh Dene First Nations in North-Central B.C.
Results are from drill holes TH21-7, TH21-8 and TH21-11 which tested the eastern portion of the Gully Zone’s IP chargeability anomaly along lines 4700N and 4600N respectively as well as the southern end of line 6350E. All three holes intersected indicator low grade copper-gold mineralization. Mineralization styles intersected within the drill holes consists of localized, structurally controlled, quartz-pyrite-chalcopyrite±arsenopyrite fractures, veins and rare semi-massive mineralization at shallow to moderate depths proximal to diorite-(quartz) monzonite and latite porphyry contacts and south-southwest to south-southeast trending moderate to steeply (40-80°) westerly dipping chloritic shears and dilational breccias. Significant mineralized intervals anomalous in some or all of Cu, Au, Ag, Mo include:
TH21-07
24.5 meters of indicator low grade copper-gold intercept from 70.0 m to 94.5 m, with an average grade of 0.13% Cu, 0.03 ppm gold, and 4.1 ppm molybdenum, and a CuEq of 0.15% CuEq.
TH21-08
TH21-8 contains two indicator style low grade copper-gold intercepts, 19.4 meters of 0.05% CuEq and 34.5m of 0.04% CuEq,
TH21-011
a low grade indicator style copper gold intercept, a 10.5m composite interval from 82.5 m to 93.0 m, grading 0.14% Cu, 0.07 ppm gold, 0.7 ppm silver and 5.5 ppm molybdenum.
See Table 1 for the chart format of these intercepts and CuEq calculation, and Figure 6 for Drill hole cross sections.
Table 1 – Chart of Composite intervals and Copper Equivalent Calculations.
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1 True widths of the reported mineralized intervals have not been determined.
2 Assumptions used in USD for the copper equivalent calculation were metal prices of $3.25/lb. Copper, $1,650/oz Gold, $20/oz Silver, and USD $40/ lb Molybdenum; Recovery is assumed to be 100% / even par given no current metallurgical testing at Thane to date. The following equation was used to calculate copper equivalence: CuEq = Copper (%) + (Gold (g/t) x 0.74) + (Silver (g/t) x 0.0090) + (Molybdenum (ppm) x 0.0006)
Drilling at the Gully Zone tested the depth potential of the following surface results:
A plan map and cross section of these holes with drill results are included below. See figure 4 for plan view of relevant drill holes, and figures 5 and 6 for section view of the drill holes illustrating the mineralized intercepts.
Interra’s goals at the Gully Zone in 2021 included;
Interra’s results to date have confirmed;
Figure 1: Tourmaline+quartz vein cut by pyrite±chalcopyrite and later calcite fractures within TH21-7 @ 69.50m.
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Figure 2: Blebby pyrite+chalcopyrite within quartz brecciated magnetite vein containing late coarse calcite proximal to increased mineralization within TH21-7 @72.50m. Sample# 42580 containing 3.42% Cu, 0.75g/t Au, 7.03g/t Ag and 1.13ppm Mo over 0.50m.
https://www.globenewswire.com/NewsRoom/AttachmentNg/adeffa3d-7e77-4a6e-882e-e9dd664d56a5
Figure 3: Quartz-arsenopyrite-pyrite-chalcopyrite vein with sericite altered margins cutting monzonite within TH21-11 @83.00m. Sample# 41958 containing 0.19% Cu, 0.20g/t Au, 0.92g/t Ag and 13.70ppm Mo over 0.50m.
https://www.globenewswire.com/NewsRoom/AttachmentNg/ab19b0c4-b90e-4ed9-8fb3-f9e506ced3e2
Figure 4: Cathedral and Gully Zone Drill Hole Plan Map.
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Table 2: Summary of Intrusive Phases, Age, Observed Alteration and Mineralization within Hogem Batholith at the Cathedral and Gully Zones.
Suite | Rock Type | Age (Ma) | Features | Alteration | Veining | Mineralization |
Porphyry Sheets | Latite Porphyry | 162.2 ±2.61 | Porphyritic, 20-40% plag,10-15% hrnblnd-biotite w/n a K-feldspar rich groundmass | Weak localized potassic, Epidote and silicification | Qtz-Epi-Cal± sulphides; localized Mt-Act? and Epi-Prehnite | local disseminated as mafic replacement Associated with Qtz-Epi-Cal ± sulphides |
Duckling Creek | (Quartz) Syenite | 174.7±0.7 to 178.9±1.31 | Fine grained to Pegmatitic, K-feldspar rich | Weak localized potassic, Epidote and silicification | Qtz-Epi-Cal± sulphides; | Local disseminated Associated with Qtz-Epi-Cal ± sulphides |
Duckling Creek | (Quartz) Monzonite and Monzonite Porphyry | 179.7±2.5 and 178.8±0.22 | Equigranular, Fine to medium grained, K-feldspar rich Pyx-Hrnblnd-biotite bearing; Porphyritic varieties contain large orthoclase Phenos. |
Weak- extensively Potassic-propylitic altered; possible Lithocap alteration related to tourmaline sericite+pyrite |
Qtz-Epi-Cal± sulphides; magnetite veins and breccias; Act±Qtz | Disseminated, mafic and magnetite replacement Associated with Qtz-Epi-Cal ± sulphides |
Thane Creek | (Quartz) Monzodiorite | 194±1.11 | Equigranular, Medium to Coarse grained, Pyx-Hrnblnd-plag bearing; |
Weak- extensively Potassic-Sodic altered; possible Lithocap alteration related to tourmaline-sericite+pyrite |
Qtz-Epi-Cal± sulphides; magnetite veins and breccias; Act±Qtz and Qtz±chl± sulphides3 | Disseminated, mafic and magnetite replacement Associated with Qtz-Epi-Cal ± sulphides |
Gail Zone Quartz±sulphide Vein | 202.8±0.83 | |||||
Thane Creek | Diorite | 206.6±0.91 |
Figure 5 – TH21-7 and TH21-8 Drill hole Cross Sections
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Figure 6 – TH21-11 Drill hole Cross Section
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Additional soil sampling results have been received with results to be compiled and news released in the coming weeks.
The scientific and technical information disclosed in this news release was reviewed, verified and approved by Christopher O. Naas, P. Geo., COO of Interra Copper Corp, who is a “Qualified Person” as defined in N.I. 43-101 regulations.
ABOUT INTERRA COPPER CORP.
Interra is a junior exploration and development company focused on creating shareholder value through the advancements of its current assets that include the Thane Property in north-central British Columbia. Utilizing its heavily experienced management team, Interra continues to source and evaluate assets to further generate shareholder value.
The Thane Property covers approximately 206 km2 (50,904 acres) and is located in the Quesnel Terrane geological belt of north-central British Columbia, midway between the previously-operated open pit Kemess Mine and the current open pit Mount Milligan mine, both two copper-gold porphyry deposits. The Thane Property includes several highly prospective mineralized areas identified to date, including the ‘Cathedral Area’ on which the Company’s exploration is currently focused.
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