Investor Presentaiton
Hydrogeology
Hydrogeological model supports brine flow of 66.5GL (gigalitres)
per year over a 20 year life, exclusively from trenches
Lake Mackay is the end point of an enormous groundwater
catchment area of approx. 87,000km² (i.e. the size of Portugal)
Lake Mackay Catchment Area
Regional Recharge of
actured Basement
For personal use only
MACKAY
PROJECT
MACKAY
PROJECT
agrimin
Kiwirrkurra
The Granites
Kintore
Investor Presentation | December 2016
Tanami
A
Kilometres
100
Yuendumu
Catchment
Area
87,000km²
Papunya
ALICE SPRINGS
agrimin
Hydrogeological Model of Lake Mackay
Gypsum sand
Clay/Sand
Clay
Paleochannel
Basement
Rain
Evaporation
Water Table
Brackish/Brine contact
Upward groundwater leakage
>100km
Rainfall Recharge of Dunes
Evaporation of Rainfall
and Brine
Brine Extraction
from Trenches
Channel Flood Recharge
Gypsum Sand
Gypsum Sandy Clay
Red Clay
Brackish
Groundwater Lens
Upward groundwater
leakage
Trial Trench on Lake Mackay (2015)
Gypsum Sand
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