XML 156 R41.htm IDEA: XBRL DOCUMENT v3.25.1

Mineral Properties (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Less accumulated amortization	$ (284,033)	$ (166,500)
Total	10,573,349	7,898,878
Golden Chest [Member]
Mineral Property	5,159,084	4,108,710
Infrastructure	4,722,328	3,020,698
Total golden chest mineral property	9,881,412	7,129,408
McKinley Monarch [Member]
Mineral Property	200,000	200,000
Potosi
Mineral Property	150,385	150,385
Park Copper/Gold [Member]
Mineral Property	78,000	78,000
Eastern Star [Member]
Mineral Property	250,817	250,817
Oxford [Member]
Mineral Property	40,000	0
New Jersey Division of Taxation [Member]
Mineral Property	$ 256,768	$ 256,768

X

- References

No definition available.

+ Details

Name:	njmc_Infrastructure
Namespace Prefix:	njmc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	njmc_MineralPropertiesCurrentYear
Namespace Prefix:	njmc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The accumulated decrease in the carrying value of the mineral properties as a result of mine or mineral production.

+ References

No definition available.

+ Details

Name:	us-gaap_MineralPropertiesAccumulatedDepletion
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The accumulated decrease in the carrying value of the mineral properties as a result of adjustments in estimates of future income generating potential of the mineral property.

+ References

No definition available.

+ Details

Name:	us-gaap_MineralPropertiesAccumulatedImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Carrying amount at the balance sheet date of mineral properties, gross of adjustments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

+ Details

Name:	us-gaap_MineralPropertiesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_PlanNameAxis=njmc_GoldenChestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=njmc_McKinleyMonarchMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=njmc_PotosiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=njmc_ParkCopperGoldMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=njmc_EasternStarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=njmc_OxfordMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_NewJerseyDivisionOfTaxationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: