Investor Presentaiton
AN EMERGING LITHIUM-POTASSIUM PROVINCE
Central Mexican Plateau
An emerging potassium-lithium province
Mineral rich brines from salty lagoons require intense volcanic activity, post volcanic activity
that contributes to the mineralizing fluids, a hot dry climate with low humidity that allows a strong
evaporation and consequent mineral concentration. These conditions are also seen in Nevada,
South America (Chile, Argentina, Bolivia) and Tibet
Historically the nearest resources outside the US were South America, and the "Lithium Triangle" of
Chile, Argentina, and Bolivia
The Central Mexican Plateau satisfies these conditions and is emerging as a new potassium-lithium
province, with demand for both growing rapidly. Demand for potash fertilizer in Mexico has become
a national priority as Mexico is 100% dependent on imports for these commodities
Salar - a natural salt pan or salt lake formed by evaporation
Work Timeline of the Salars of the Central Mexican Plateau
PAGE 9
VIEW OF LA SALADA SALAR
1652
Colonial Spanish
produced salt
from the brines
in the region
1837
Began salt
production by
pumping brines
to surface for
evaporative
concentration
1912
Salt production
50 tons per day
with capacity
"for double that"
1989
Mexican
Geologic Survey
(MGS) found
Lithium in
sediments up to
300 mg/L
1992
MGS found
Lithium in
evaporation
lagoons at
Caliguey Salar
ranging from
12,000-21,000
mg/L
2010-2012
Prior owner collected
over 3,500 sediment
samples from surface
to 5m depths with up
to 2,590 ppm Lithium
& 11% Potassium
2016
Lab studies completed
by Alset suggests
that the majority of
Lithium is not held as
smectite/hectorite
2017
Weak acid leach tests
reveal up to 97% recovery
of lithium from salar
sediments. Drilling
program at La Salada
salar confirms sediment
resources and significant
potassium in near-
surface brines
2019
First resource estimate
published defining 12.3
Mt sulphate of potash
and 243,000 tons of
lithium carbonate and
wide open for expansion
including brine potential
to be tested
SILVER VALLEY
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