v3.26.1
Cover
Jun. 18, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 18, 2026
Entity File Number 001-41340
Entity Registrant Name Greenland Mines Ltd.
Entity Central Index Key 0001907223
Entity Tax Identification Number 86-2727441
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1300 South Boulevard
Entity Address, Address Line Two Suite D
Entity Address, City or Town Charlotte
Entity Address, State or Province NC
Entity Address, Postal Zip Code 28203
City Area Code 833
Local Phone Number 931-6330
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Common Stock [Member]  
Title of 12(b) Security Common Stock
Trading Symbol GRML
Security Exchange Name NASDAQ
Warrants  
Title of 12(b) Security Warrants
Trading Symbol GRMLW
Security Exchange Name NASDAQ