Mine / resource · Argentina

Mariana

RampingVerified 25 Oct 2026As of 25 Oct 2026
Owner
Ganfeng Lithium 100% (via Litio Minera Argentina S.A.)
Listed via
1772.HK
Product
LiCl
Deposit type
Brine
Capacity
Phase 1 20 ktpa LiCl; formal production since 12 Feb 2025; first export Feb 2026
≈ 17.4 kt LCE/yr (nameplate)
Location
-24.83°, -68.27°
Source
Filing used for verification

Salar de Llullaillaco, Salta; final LiCl plant at General Güemes. Location = centre of the evaporation pond complex on the salar, from satellite imagery (PEA gives only the salar centre). 20 kt LiCl converted at 0.87 t LCE per t LiCl.

Ownership structure

Effective economic interest of listed owners · As of 25 Oct 2026
Ganfeng Lithium1772.HK100%MarianaMine / resource

Attributable capacity

Listed ownerStakekt LCE/yr
Ganfeng Lithium 1772.HK100%≈17

Structure: Ganfeng Lithium 100% (via Litio Minera Argentina S.A.).

Value chain

Owners, buyers and the refineries on Li3atlas they feed · As of 25 Oct 2026
Listed ownersGanfeng Lithium1772.HK · 100%
Mine / resourceMarianaPhase 1 20 ktpa LiCl; formal production since 12 Feb 2025; first export Feb 2026

Resource and mine life

As of 25 Oct 2026
Resource
13.17 Mt LCE
As of
29 Sept 2026

Country risk · Argentina

Policy risk: Medium As of 24 Oct 2026
Royalty
Provincial royalty capped at 3% at the mine mouth; Catamarca and Salta have legislated up to 5%

RIGI investment regime covers lithium and cuts the effective tax rate (Fundar model for a Salta project: 42.8% to 30.4%). source

Change history

Approved changes with their source · As of 25 Oct 2026
DateFieldChangeSource
25 Oct 2026Resource / reservenew: resource 13.17 Mt LCE · as of 2026-09-29Ganfeng Lithium Group 2026 Interim Report (HKEX 1772, 29 Sep 2026)
25 Oct 2026VerifiedValues confirmedGanfeng Lithium Group 2026 Interim Report (HKEX 1772, 29 Sep 2026)
24 Oct 2026Notesnew: Added to Li3atlas: MarianaGanfeng Lithium (HKEX): Announcement on formal production of the Mariana lithium salt-lake project in Argentina, 13 Feb 2025

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