Company: CHNR
Filing Date: 2025-05-15
Form Type: 20-F
Source: 0001079973-25-000827
Chunk: 85

Company: CHINA NATURAL RESOURCES INC
Filing Date: 2025-05-15
Form: 20-F
Item: Item 4
Chunk 85
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 strike is north-eastern. The lead ore (mineralized) bodies are produced in the third lithological member of Agulugou Formation, where quartzite and quartz schist with strong silicification are the main host rocks. The ore bodies are distributed in an area of 3,000 meters long from east to west and 1,000 meters wide from south to north, and 14 lead ore bodies have been delineated with orebody numbers of I-1, I-2, II-1, II-2, II-3, III, IV-1, IV-2, IV-3, IV-4, IV-5, IV-6, IV-7, and V.
 The Moruogu Tong Mine is mainly a lead deposit associated with silver. The ore bodies occur in certain strata, whose genetic type belongs to air-exhaled sedimentary type, with lead deposit then transformed by hydrothermal process. The ore mineral compositions mainly include galena, sphalerite, pyrite, chalcopyrite, arsenopyrite and gangue mineral quartz, calcite, and mica, etc. The depth of the oxidized zone and mixed zone in this mine area is about 15 meters below ground. The primary zone is below 15 meters underground. The lead ore bodies delineated in this deposit are all in the primary zone, and the natural type of the ore is primary lead sulfide ore. Because the main useful constituent of this deposit is lead, with an associated useful constituent of silver, it is classified as a lead and silver deposit.
 The key industrial indicators of the deposit are as follows:
 
•   Cutoff grade: Pb&gt;0.3%;
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•   Minimum industrial grade: Pb&gt;0.7%;
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•   Minimum minable thickness: &gt;1.0m;
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•   Average grade of deposit: Pb&gt;1.81%;
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•   Band rejected thickness: &gt;2m;
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•   When the orebody thickness is less than the minable thickness and the grade is high, meter percentage can be used as an indicator: Pb&gt;0.70 meter percentage; and
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•   Industrial grade of associated useful constituent: Ag&gt;2g/t.
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Cooperation Agreement
 On August 20, 2017, Bayannaoer Mining entered into the Cooperation Agreement with Jijincheng Mining, an unrelated third party.