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American Creek's JV Partner Tudor Gold Announces Positive Metallurgical Testing Results for the Goldstorm Deposit at Treaty Creek, Located in the Heart of the Golden Triangle, Northwestern British Columbia

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American Creek Resources announces positive metallurgical test results from the Goldstorm Deposit at Treaty Creek Project. The Lower CS-600 sub-domain testing showed impressive flotation recoveries of up to 88.1% copper, 63.8% gold, and 51.3% silver. The tests produced high-grade copper concentrate exceeding 29% copper with gold and silver grades of 33 g/t and 96 g/t respectively. Previous testing on gold-dominant domains 300H and DS5 demonstrated gold recoveries exceeding 94% for the Albion process and 98% for pressure oxidation tests. The lower portion of CS-600 has sufficient volume to mine and process 40,000 tpd over 17 years.

American Creek Resources annuncia risultati positivi dei test metallurgici dal Goldstorm Deposit nel progetto Treaty Creek. I test del sotto-dominio Lower CS-600 hanno mostrato impressionanti recuperi di flottazione fino al 88,1% di rame, 63,8% di oro e 51,3% di argento. I test hanno prodotto concentrati di rame ad alta legge superando il 29% di rame con gradi di oro e argento rispettivamente di 33 g/t e 96 g/t. I test precedenti sui domini dominanti in oro 300H e DS5 hanno dimostrato recuperi di oro superiori al 94% per il processo Albion e al 98% per i test di ossidazione a pressione. La porzione inferiore del CS-600 ha un volume sufficiente per estrarre e trattare 40.000 tpd per 17 anni.

American Creek Resources anuncia resultados positivos de pruebas metalúrgicas del Goldstorm Deposit en el proyecto Treaty Creek. Las pruebas del subdominio Lower CS-600 mostraron impresionantes recuperaciones de flotación de hasta 88,1% de cobre, 63,8% de oro y 51,3% de plata. Las pruebas produjeron concentrado de cobre de alta ley, superando el 29% de cobre, con grados de oro y plata de 33 g/t y 96 g/t, respectivamente. Las pruebas anteriores en los dominios dominantes en oro 300H y DS5 demostraron recuperaciones de oro superiores al 94% en el proceso Albion y al 98% en pruebas de oxidación a presión. La porción inferior del CS-600 tiene suficiente volumen para extraer y procesar 40,000 tpd durante 17 años.

American Creek Resources가 Treaty Creek 프로젝트의 Goldstorm Deposit에서 긍정적인 금속 테스트 결과를 발표했습니다. Lower CS-600 하위 도메인 테스트는 구리 88.1%, 금 63.8%, 은 51.3%의 인상적인 플로테이션 회수율을 보여주었습니다. 이 테스트는 29% 이상의 구리 함량을 가진 고품질 구리 농축물을 생산하였으며, 금과 은의 함량은 각각 33 g/t 및 96 g/t였습니다. 금 중심 영역인 300H 및 DS5에 대한 이전 테스트는 Albion 공정에서 94% 이상의 금 회수율과 압력 산화 테스트에서 98%의 회수율을 보여주었습니다. CS-600의 하위 부분은 17년 동안 하루에 40,000톤을 추출하고 가공할 수 있는 충분한 용량을 가지고 있습니다.

American Creek Resources annonce des résultats de test métallurgiques positifs pour le Goldstorm Deposit au projet Treaty Creek. Les tests du sous-domaine inférieur CS-600 ont montré des taux de récupération en flottation impressionnants allant jusqu'à 88,1% de cuivre, 63,8% d'or et 51,3% d'argent. Les tests ont produit un concentré de cuivre de haute qualité dépassant 29% de cuivre, avec des teneurs en or et en argent de 33 g/t et 96 g/t respectivement. Les tests précédents sur les domaines dominants en or 300H et DS5 ont démontré des récupérations en or dépassant 94% pour le processus Albion et 98% pour les tests d'oxydation sous pression. La partie inférieure du CS-600 a un volume suffisant pour extraire et traiter 40 000 tpd pendant 17 ans.

American Creek Resources gibt positive metallurgische Testergebnisse aus dem Goldstorm Deposit im Treaty Creek Projekt bekannt. Die Tests des unteren CS-600 Unterbereichs zeigten beeindruckende Flotationsrückgewinnungen von bis zu 88,1% Kupfer, 63,8% Gold und 51,3% Silber. Die Tests erzeugten hochgradige Kupferkonzentrate mit mehr als 29% Kupfer und Gold- und Silbergehalten von 33 g/t bzw. 96 g/t. Frühere Tests in den gold-dominierten Bereichen 300H und DS5 zeigten Goldrückgewinnungen von über 94% im Albion-Prozess und 98% bei Druckoxidationstests. Der untere Teil von CS-600 hat ein ausreichendes Volumen, um über 17 Jahre hinweg 40.000 tpd abzubauen und zu verarbeiten.

Positive
  • High flotation recoveries: 88.1% copper, 63.8% gold, and 51.3% silver from Lower CS-600
  • Production of high-grade copper concentrate exceeding 29% copper with significant gold (33 g/t) and silver (96 g/t) grades
  • Gold recoveries exceeding 94% for Albion process and 98% for pressure oxidation tests in gold-dominant domains
  • Mining capacity of 40,000 tpd over 17 years from lower CS-600 portion
  • No deleterious compounds formed during oxidation-leach tests
Negative
  • None.

Cardston, Alberta--(Newsfile Corp. - October 25, 2024) - American Creek Resources Ltd. (TSXV: AMK) ("the Corporation" or "American Creek") is pleased to announce that project operator and JV partner Tudor Gold ("Tudor") has given an update to ongoing metallurgical testwork on the Goldstorm gold, copper and silver deposit, located on the Treaty Creek Project situated within the Golden Triangle of British Columbia.

Highlights from the Metallurgical Testing on the Lower CS-600 Sub-Domain include:

  • Flotation recoveries within the Lower CS-600 sub-domain totaled up to 88.1% copper, 63.8% gold, and 51.3% silver;
  • Flotation testing confirmed that a high-grade copper concentrate with significant quantities of gold can be produced from the Lower CS-600 sub-domain, that exceed 29% copper with significant gold and silver grades of 33 g/t and 96 g/t, respectively;

The flotation program uses a typical copper flowsheet to produce the saleable copper concentrate mentioned above. Further flotation testwork is ongoing to produce a separate pyrite concentrate containing gold and silver. The positive results from flotation, in conjunction with previous oxidative leaching methods (such as Pressure Oxidation or Albion), continue to support the previously reported gold recoveries of 90% for the Lower CS-600 domain. The testing program was designed and executed with sufficient rigor to support a future Preliminary Economic Assessment (PEA).

Commenting on the results, Ken Konkin, President & CEO of Tudor Gold, stated, "We are very pleased with the results obtained from the locked-cycle flotation tests from this phase of metallurgical testing on material from the lower portion of the CS-600 Domain (CS-600L). We estimate more than 50% of the CS-600 Domain is located within the lower portion (the CS-600L sub-domain). Through a simple rougher-cleaner flotation process we were able to produce an exceptionally clean, high-grade concentrate with excellent metal recoveries, with over 88% for copper and approximately 64% for gold. The CS-600L sub-domain is located in the same area which hosts the newly discovered Supercell-1 (SC-1) high-grade gold complex. Our engineering team has recommended initial metallurgical tests to be conducted on material collected from the SC-1 drill hole intercepts. The SC-1 composite sample will be shipped to SGS Labs for metallurgical tests.

Our concept is to focus on the high-grade SC-1 to study the possibility of extracting as much high-grade gold as possible while potentially building out the infrastructure to access the CS-600L area. The plan is to utilize the same workings from the Supercell complex to access the CS-600 domain. These latest results from the CS-600L Domain significantly de-risk the Goldstorm project with respect to metallurgical characteristics of the copper-gold mineralization and will be utilized in a future Preliminary Economic Assessment (PEA).

Additionally, two gold-dominant domains, 300H and DS5, have demonstrated high gold recoveries from previous oxidation/cyanidation tests, with results exceeding 94% gold recovery for the Albion process and in excess of 98% gold recovery for pressure oxidation tests. We were very pleased to observe that no deleterious compounds were formed from any of the types of oxidation-leach tests completed, which will allow our technical team to conduct trade-off studies for recovery vs costs for each process. Given the favorable metallurgical test results obtained from this gravity/flotation system for the CS-600L sub-domain, testing and potentially expanding the SC-1 high-grade gold complex will be our primary focus moving forward. Additional tests are also recommended to examine the northernmost part of CS-600 (CS-600N) which has never been tested previously and continued tests on the upper CS-600 (CS-600U). However, the lower portion of CS-600 has enough volume to mine and process 40,000 tpd over 17 years producing a highly desirable copper concentrate with good gold and silver credits. The goal for the Treaty Creek Deposit is to be able to produce at least 500,000 AuEQ ounces per year. Our mineral process engineers can determine the optimal size and type of mineral processing to be considered for advancing the project that will part of the PEA with a series of trade-off studies examining the most economical path forward for the Treaty Creek Project."

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GOLDSTORM DEPOSIT - Viewing Southwest (220°/-10°)

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Metallurgical Test Work and Results:

Recent metallurgical testing carried out at Blue Coast Research, under the supervision of Tad Crowie, P. Eng. of JDS Energy & Mining Inc. demonstrated that a high-grade copper concentrate could be produced from the Lower CS-600 sub-domain. The locked cycle test achieved recoveries of 88.1% copper, 63.8% gold, and 51.3% silver into a concentrate with grade exceeding 29% copper and 30 g/t Au for the Lower CS-600. A locked cycle test is considered an important step in developing a mineral processing flowsheet which incorporates flotation, as it demonstrates the effects that re-cycle streams will have on the overall process. The tests were completed on samples that are consistent with those used for the previous metallurgical testing and had gold and copper feed grades of 0.91 g/t Au and 0.59% Cu, which are consistent with the grades in the Lower CS-600 sub-domain.

The current flotation flowsheet follows a typical copper flotation circuit configuration, with standard copper flotation reagents, as seen in Figure 2. The primary grind in the current testwork has been reduced from a P80 of 120 µm used in the previous testwork program to a P80 of 75 µm allowing for a higher overall recovery of copper than has been previously achieved. The gold recoveries have achieved similar results to previous flotation testwork.

Locked Cycle Test Flowsheet:

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Figure 2 - Source: Blue Coast Research (2024)

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A rougher concentrate regrind target of P80 of 30 µm allowed the production of a high-grade copper concentrate, exceeding 29% copper with significant gold and silver grades of 33 g/t Au and 96 g/t Ag for CS-600L.

The locked cycle test results for the combined products of last 3 cycles of the test (cycles 4, 5, and 6) can be found in the table below. The locked cycle test achieved stability after the first 2 cycles, which demonstrates that the flowsheet is stable, as well as validating the test results.

Highlights of the 2024 Locked Cycle testing on the Lower CS-600 Sub-Domain:

ProductWeightAssays Distribution
grams%Au (g/t)Ag (g/t)Cu (%)S (%)Au %Ag %Cu %S %
Cleaner 3 Conc105.01.833.1696.729.5933.263.851.388.121.6
Cleaner 1 Tail358.06.01.129.200.74.97.416.77.010.9
Rougher Tail5532.792.30.281.140.031.9728.832.04.967.5
Calculated Head5995.7100.00.913.300.592.69100.0100.0100.0100.0

 

Table 1 - Source: Blue Coast Research (2024)

The high copper concentrate grade, along with high levels of gold and silver, achieved in this test suggests that there are opportunities to pull the circuit harder to increase overall metal recovery.

QA/QP

The metallurgical program was carried out by Blue Coast Research of Nanaimo, B.C., selected to conduct further mineralogical assessment of the Goldstorm sample material. The metallurgical and mineralogical work was conducted under the supervision of Tad Crowie, P. Eng of JDS Energy & Mining Inc., a Qualified Person as defined by NI 43-101. Mr. Crowie has reviewed this news release and agreed to its contents.

Ken Konkin, P.Geo, President and CEO, Tudor Gold, is the Qualified Person, as defined by National Instrument 43-101, responsible for the Project. Mr. Konkin has reviewed, verified, and approved the scientific and technical information in this news release.

Standard QA/QC sampling procedures are maintained by SGS and Blue Coast to ensure accurate and representative testing.

About Treaty Creek

The Treaty Creek Project hosts the Goldstorm Deposit, comprising a large gold-copper porphyry system, as well as several other mineralized zones. As disclosed in the "NI-43-101 Technical Report for the Treaty Creek Project", dated April 5, 2024 prepared by Garth Kirkham Geosystems and JDS Energy & Mining Inc., the Goldstorm Deposit has an Indicated Mineral Resource of 27.87 million ounces (Moz) of AuEQ grading 1.19 g/t AuEQ (21.66 Moz gold grading 0.92 g/t, 2.87 billion pounds (Blbs) copper grading 0.18%, 128.73 Moz silver grading 5.48 g/t) and an Inferred Mineral Resource of 6.03 Moz of AuEQ grading 1.25 g/t AuEQ (4.88 Moz gold grading 1.01 g/t, 503.2 Mlb copper grading 0.15%, 28.97 Moz silver grading 6.02 g/t), with a pit constrained cut-off of 0.7 g/t AuEQ and an underground cut-off of 0.75 g/t AuEQ.

The Goldstorm Deposit has been categorized into three dominant mineral domains and several smaller mineral domains. The CS-600 domain largely consists of nested pulses of diorite intrusive stocks and hosts the majority of the copper mineralization within the Goldstorm Deposit. CS-600 has an Indicated Mineral Resource of 15.65 Moz AuEQ grading 1.22 g/t AuEQ (9.99 Moz gold grading 0.78 g/t, 2.73 Blbs copper grading 0.31%, 73.47 Moz silver grading 5.71 g/t) and an Inferred Mineral Resource of 2.86 Moz AuEQ grading 1.20 g/t AuEQ (1.87 Moz gold grading 0.79 g/t, 475.6 Mlb copper grading 0.29%, 13.4 Moz silver grading 5.63 g/t). The Goldstorm Deposit remains open in all directions and requires further exploration drilling to determine the size and extent of the Deposit.

1 AuEq = Au g/t + (Ag g/t*0.0098765) + (Cu ppm*0.0001185)

Treaty Creek JV Partnership

American Creek is a proud partner in the Treaty Creek Project.

The project is a Joint Venture with Tudor Gold owning 3/5th and acting as operator. American Creek and Teuton Resources each have a 1/5th interest in the project creating a 3:1 ownership relationship between Tudor Gold and American Creek.

American Creek and Teuton hold fully carried 20% interests, which means no development costs are incurred by these companies until a production notice is issued. This gives shareholders a unique opportunity, to avoid the dilutive effects of exploration while maintaining their full 20% exposure to one of the world's most exciting mega deposits.

About American Creek

American Creek is a Canadian junior mineral exploration company with gold and silver properties in British Columbia, Canada.

The Corporation has an interest in the Treaty Creek property, a joint venture project with Tudor Gold located in BC's prolific "Golden Triangle".

The Corporation also holds the Austruck-Bonanza gold property located near Kamloops.

For further information please contact Kelvin Burton at:

Phone: 403 752-4040 or Email: info@americancreek.com.

Information relating to the Corporation is available on its website at www.americancreek.com

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Statements regarding Forward-Looking Information

This news release contains "forward-looking information" within the meaning of applicable Canadian securities legislation. "Forward-looking information" includes, but is not limited to, statements with respect to the activities, events or developments that the Corporation expects or anticipates will or may occur in the future, including the completion and anticipated results of planned exploration activities. Generally, but not always, forward-looking information and statements can be identified by the use of words such as "plans", "expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", or "believes" or the negative connotation thereof or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved" or the negative connation thereof.

Such forward-looking information and statements are based on numerous assumptions, including among others, that the Corporation's planned exploration activities will be completed in a timely manner. Although the assumptions made by the Corporation in providing forward-looking information or making forward-looking statements are considered reasonable by management at the time, there can be no assurance that such assumptions will prove to be accurate.

There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Corporation's plans or expectations include risks relating to the actual results of current exploration activities, fluctuating gold prices, possibility of equipment breakdowns and delays, exploration cost overruns, availability of capital and financing, general economic, market or business conditions, regulatory changes, timeliness of government or regulatory approvals and other risks detailed herein and from time to time in the filings made by the Corporation with securities regulators.

Although the Corporation has attempted to identify important factors that could cause actual results to differ materially from those contained in the forward-looking information or implied by forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that forward-looking information and statements will prove to be accurate, as actual results and future events could differ materially from those anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information.

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FAQ

What are the metallurgical recovery rates for copper and gold at Treaty Creek's Goldstorm Deposit?

The metallurgical testing showed flotation recoveries of up to 88.1% for copper and 63.8% for gold in the Lower CS-600 sub-domain.

What is the copper concentrate grade achieved at Treaty Creek's Goldstorm Deposit?

The testing produced a high-grade copper concentrate exceeding 29% copper with gold and silver grades of 33 g/t and 96 g/t respectively.

What is the projected mining capacity for the Lower CS-600 portion at Treaty Creek?

The lower portion of CS-600 has sufficient volume to mine and process 40,000 tonnes per day over 17 years.

What are the gold recovery rates in the 300H and DS5 domains at Treaty Creek?

The gold-dominant domains 300H and DS5 demonstrated gold recoveries exceeding 94% for the Albion process and over 98% for pressure oxidation tests.

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