XML 111 R94.htm IDEA: XBRL DOCUMENT
v3.21.1

SEGMENT INFORMATION (Schedule of Segment Results) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2020 CNY (¥)
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenues from external customers | ¥ |  |  | ¥ 6,867 |  | ¥ 12,969 |  |
Depreciation of property, plant and equipment | ¥ |  |  | (65) |  | (66) | (67) |
Depreciation of right-of-use assets | ¥ |  |  | (976) |  | (1,187) |  |
Operating loss | ¥ |  |  | (7,129) |  | (5,599) | (6,207) |
Fair value gains on financial asset at fair value through profit or loss | ¥ |  |  | 31,334 |  |  |  |
Finance costs | ¥ | [1] |  | (60) |  | (62) | 5 |
Interest income | ¥ |  |  | 18 |  | 16 | 26 |
Income tax benefit | ¥ |  |  | (1,416) |  |  |  |
(Loss)/profit for the year | ¥ |  |  | 25,579 |  | (5,645) | (6,176) |
Capital expenditure | ¥ |  |  | (9) |  | (5) | (5) |
Total assets | ¥ |  |  |  |  | 8,298 | 7,743 | ¥ 142,428
Total liabilities | ¥ |  |  |  |  | 35,852 | 29,541 | 41,226
USD [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenues from external customers | $ |  | $ 1,052 |  |  |  |  |
Depreciation of property, plant and equipment | $ |  | (10) |  |  |  |  |
Depreciation of right-of-use assets | $ |  | (149) |  | $ (182) |  |  |
Operating loss | $ |  | (1,091) |  |  |  |  |
Fair value gains on financial asset at fair value through profit or loss | $ |  | 4,798 |  |  |  |  |
Finance costs | $ | [1] | (9) |  |  |  |  |
Interest income | $ |  | 3 |  |  |  |  |
Income tax benefit | $ |  | (217) |  |  |  |  |
(Loss)/profit for the year | $ |  | 3,918 |  |  |  |  |
Capital expenditure | $ |  | (1) |  |  |  |  |
Total assets | $ |  | 21,809 |  |  |  |  |
Total liabilities | $ |  | 6,313 |  |  |  |  |
Exploration and Mining [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenues from external customers | ¥ |  |  | 6,867 |  | 12,969 |  |
Depreciation of property, plant and equipment | ¥ |  |  | (62) |  | (62) | (63) |
Depreciation of right-of-use assets | ¥ |  |  |  |  | (34) |  |
Operating loss | ¥ |  |  | (682) |  | (963) | (1,523) |
Fair value gains on financial asset at fair value through profit or loss | ¥ |  |  |  |  |  |  |
Finance costs | ¥ |  |  | (1) |  | (2) | (1) |
Interest income | ¥ |  |  | 1 |  | 1 | 1 |
Income tax benefit | ¥ |  |  |  |  |  |  |
(Loss)/profit for the year | ¥ |  |  | (682) |  | (964) | (1,523) |
Capital expenditure | ¥ |  |  |  |  |  |  |
Total assets | ¥ |  |  |  |  | 4,268 | 527 | 39
Total liabilities | ¥ |  |  |  |  | 6,560 | 1,854 | 3,013
Exploration and Mining [Member] | USD [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenues from external customers | $ |  | 1,052 |  |  |  |  |
Depreciation of property, plant and equipment | $ |  | (9) |  |  |  |  |
Depreciation of right-of-use assets | $ |  |  |  |  |  |  |
Operating loss | $ |  | (104) |  |  |  |  |
Fair value gains on financial asset at fair value through profit or loss | $ |  |  |  |  |  |  |
Finance costs | $ |  |  |  |  |  |  |
Interest income | $ |  |  |  |  |  |  |
Income tax benefit | $ |  |  |  |  |  |  |
(Loss)/profit for the year | $ |  | (105) |  |  |  |  |
Capital expenditure | $ |  |  |  |  |  |  |
Total assets | $ |  | 6 |  |  |  |  |
Total liabilities | $ |  | 461 |  |  |  |  |
Corporate Activities [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenues from external customers | ¥ |  |  |  |  |  |  |
Depreciation of property, plant and equipment | ¥ |  |  | (3) |  | (4) | (4) |
Depreciation of right-of-use assets | ¥ |  |  | (976) |  | (1,153) |  |
Operating loss | ¥ |  |  | (6,447) |  | (4,636) | (4,684) |
Fair value gains on financial asset at fair value through profit or loss | ¥ |  |  | 31,334 |  |  |  |
Finance costs | ¥ |  |  | (59) |  | (60) | 6 |
Interest income | ¥ |  |  | 17 |  | 15 | 25 |
Income tax benefit | ¥ |  |  | 1,416 |  |  |  |
(Loss)/profit for the year | ¥ |  |  | 26,261 |  | (4,681) | (4,653) |
Capital expenditure | ¥ |  |  | ¥ (9) |  | (5) | (5) |
Total assets | ¥ |  |  |  |  | 4,030 | 7,216 | 142,389
Total liabilities | ¥ |  |  |  |  | ¥ 29,292 | ¥ 27,687 | ¥ 38,213
Corporate Activities [Member] | USD [Member] |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |
Revenues from external customers | $ |  |  |  |  |  |  |
Depreciation of property, plant and equipment | $ |  | (1) |  |  |  |  |
Depreciation of right-of-use assets | $ |  | (149) |  |  |  |  |
Operating loss | $ |  | (987) |  |  |  |  |
Fair value gains on financial asset at fair value through profit or loss | $ |  | 4,798 |  |  |  |  |
Finance costs | $ |  | (9) |  |  |  |  |
Interest income | $ |  | 3 |  |  |  |  |
Income tax benefit | $ |  | 217 |  |  |  |  |
(Loss)/profit for the year | $ |  | 4,023 |  |  |  |  |
Capital expenditure | $ |  | (1) |  |  |  |  |
Total assets | $ |  | 21,803 |  |  |  |  |
Total liabilities | $ |  | $ 5,852 |  |  |  |  |
[1] | Finance costs mainly represent bank charges, foreign currency exchange differences and interest on lease liabilities. The amounts of bank charges were CNY6.00, CNY2.00 and CNY7.00 (US$1.00); the foreign currency exchange differences amounted to negative CNY11.00, nil and positive CNY15.00; and interest on lease liabilities amounted to nil, CNY60.00 and CNY38.00 (US$6.00) for the years ended December 31, 2018, 2019 and 2020, respectively.

X
- Definition Capital expenditures. + References No definition available. + Details
Name: | chnr_CapitalExpenditure
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value gains on financial asset at fair value through profit or loss. + References No definition available. + Details
Name: | chnr_FairValueGainsOnFinancialAssetAtFairValueThroughProfitOrLoss
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of costs (income) associated with financing activities of the entity. + References No definition available. + Details
Name: | chnr_FinanceCostsIncome
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_c&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_b&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_e&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_Assets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23_e&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_e&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_d&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_102&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_99&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 104 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_104&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DepreciationAndAmortisationExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DepreciationRightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfOperatingSegmentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23_h&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2020-01-01 -Paragraph 35 -Subparagraph b -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2020-en-r&anchor=para_35_b_viii&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 79 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_79&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 82 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_82_d&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2020-01-01 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncomeTaxExpenseContinuingOperations
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_b&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_e&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_d&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_Liabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The profit (loss) from continuing operations. [Refer: Continuing operations [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_b&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B12 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B12_b_vi&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_81A_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ProfitLossFromContinuingOperations
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The profit (loss) from operating activities of the entity. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 32 -IssueDate 2020-01-01 -Paragraph IE33 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=32&code=ifrs-tx-2020-en-r&anchor=para_IE33&doctype=Illustrative%20Examples -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ProfitLossFromOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_113_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_114&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_RevenueFromContractsWithCustomers
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income arising from interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23_c&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_e&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_RevenueFromInterest
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=chnr_ExplorationAndMiningMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=chnr_CorporateActivityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |