XML 96 R36.htm IDEA: XBRL DOCUMENT v3.22.4

MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2022

MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT

Schedule of property and equipment

​

​	​	​	​	​	​	​
​		December 31, 2022			December 31, 2021
Mineral property interests, cost	​	$	359,845	​	$	344,529
Less: accumulated depletion	​	​	(58,700)	​	​	(47,197)
Mineral property interests, carrying value	​	$	301,145	​	$	297,332
​	​	​	​	​	​	​
Plant and equipment, cost	​	​	​	​	​	​
Land	​	$	17,850	​	$	8,949
Construction in progress	​	​	8,408	​	​	4,078
Plant and equipment	​	​	73,740	​	​	76,887
Subtotal	​	$	99,998	​	$	89,914
Less: accumulated depreciation	​		(54,862)	​	​	(44,942)
Plant and equipment, carrying value	​	$	45,136	​	$	44,972
​	​	​	​	​	​	​
Mineral property interests and plant and equipment, carrying value	​	$	346,281	​	$	342,303

​

Summary of mineral property interests

​

​	​	​	​	​	​	​	​	​	​	​	​
Name of Property/Complex		State/Province		Country		2022			2021
Fox Complex	​	Ontario	​	Canada	​	$	40,413	​	$	37,678	​
Lexam Exploration Properties	​	Ontario	​	Canada	​	​	41,595	​	​	41,595	​
Los Azules Copper Project		San Juan		Argentina	​	​	191,490	​	​	191,490	​
Tonkin Properties		Nevada		United States	​		4,833	​		4,833	​
Gold Bar Mine		Nevada		United States	​		12,982	​		11,790	​
Elder Creek Exploration Property		Nevada		United States	​		785	​		785	​
Fenix Project Properties		Sinaloa		Mexico	​		9,047	​		9,160	​
Total mineral property interests	​	​	​	​	​	$	301,145	​	$	297,332	​

​

X

- References

No definition available.

+ Details

Name:	mux_MineralPropertyInterestsPlantAndEquipmentAndConstructionInProgressAbstract
Namespace Prefix:	mux_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of mineral properties held by the entity.

+ References

No definition available.

+ Details

Name:	mux_ScheduleOfMineralPropertiesTableTextBlock
Namespace Prefix:	mux_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration