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Canada
Black Crystal Project

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 Location:
128 km SE from Kelowna, British Columbia, Canada

  Project Contacts:
P.O. Box 40
Slocan Park
British Columbia, Canada
V0G 2E0
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Graphite
Mining Method
  • Truck & Shovel / Loader
Mine Life5 years (as of Jan 1, 2017)
Oct. 21, 2022 -- Eagle Graphite Incorporated (TSXV: EGA) (the "Corporation") announces that, further to its news release of September 27, 2022, the TSX Venture Exchange suspended trading in the Corporation's securities on October 4, 2022 as a result of a Cease Trade Order (the "CTO") issued by the Ontario Securities Commission. The CTO was issued as a result of the Corporation's failure to file its interim financial statements, management's discussion and analysis, and certificate of the foregoing filings for the period ended May 31, 2022.

Eagle Graphite owns the Black Crystal Graphite quarry, located 35 kilometres west of the city of Nelson in British Columbia, Canada, and 70 kilometres north of the state of Washington. Black Crystal is the only constructed graphite quarry with production history in Western North America.


Owners

Source: p. 3
CompanyInterestOwnership
Eagle Graphite Inc. 100 % Direct
In 2006, Eagle Graphite acquired the Black Crystal graphite quarry and processing plant, located 3 km south of Valhalla Wilderness Park on the eastern slope of the Monashee mountains. To date the Company has not earned significant pre-production revenue and is considered to be in the exploration stage.

Contractors

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Deposit Type

  • Metamorphic hosted


Summary:

The graphite mineralization found at the Property is best categorized as a disseminated flake graphite deposit according to Simandl and Kenan (1997), who referenced the Property in their paper entitled, “Crystalline Flake Graphite”. These deposits are commonly hosted by porphyroblastic and granoblastic marbles, paragneisses and quartzites in upper amphibolite or granulite grade metamorphic terrains.

Graphite mineralization on the Property is almost ubiquitous, occurring locally in all rock types except for the intrusions. Calc silicate gneisses are the preferred host for the most consistently higher-grade mineralization. The calc-silicate gneisses have been split into two groups (Augsten 2001), Cs1 and Cs2, on the basis of mineralogy (presence or absence of spinel), texture, colour and the concentration of graphite. Cs2 typically contains 2 to 5% flake graphite, or organic carbon, referred to as fixed carbon (FC). Graphite also occurs as discrete disseminated grains most typically from 0.5 mm to 1 mm in diameter. These crystals have developed with a preferred orientation parallel to sub-parallel to foliation. Cs1 typically contained 2 to 3% graphite. While pyrite is fairly common throughout the section, very fine grained disseminated pyrite ± pyrrhotite is common in the graphitic calc-silicate host rock.

A regolith has formed in-situ above both Cs units locally, and there also exists a transition zone of slightly weathered Cs material, which is less fri ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining methods as laid out in the 2002 Mine Plan involved a Quarry to be a small seasonally run operation.

Weathered graphitic calc-silicate material would be extracted and transported to the Plant facility. Quarrying would utilize open pit extraction methods.

At present, under Eagle Graphite’s recently submitted Mine Plan, mining would continue to be carried out by open pit methods. The regolith material would be excavated, screened and crushed and transported to the storage transfer station at the base of the mountain. From the station, the material would be transported to the Plant facilities for processing.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsLOM
Graphite kt 27
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Annual production capacity 4,000 t of graphite mineral in concentrate
Annual ore mining rate 250,000 t *
* According to 2014 study.

Reserves at May 10, 2018:
Mineral resource statement for the Black Crystal project using 0.70% graphite cut-off grade.

CategoryTonnage CommodityGradeContained Graphite
Measured 2,987,000 t Graphite 1.35 % 40,300 t
Indicated 16,245,000 t Graphite 1.35 % 218,900 t
Measured & Indicated 19,233,000 t Graphite 1.35 % 259,300 t
Inferred 23,916,000 t Graphite 1.3 % 310,500 t



Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Dec 21, 2021
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Corporate Filings & Presentations:

DocumentYear
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
Press Release 2018
Fact Sheet 2017
Management Discussion & Analysis 2016
Technical Report 2014
Technical Report 2002
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