Investor Presentaiton
OURCES
ING
Low Sulfidation Epithermal ("LSE") Veins
IRV:CNX
DEPTH
0 m
HOT SPRINGS,
WATER TABLE
This is the classic hot spring
epithermal vein model in
which gold and silver
precipitate in response to
boiling as geothermal waters
rise toward surface (right).
Deposits of silica (sinter) and
clay form at surface such as at
Yellowstone Park, USA
(below).
100 m
200 m
300 m
500 m
LEGEND
siliceous deposits
clays, alunite
clays, illite (sericite at depth)
chlorite, illite, montmorillonite,
carbonate, epidote
silica, adularia, albite
country rock (unaltered)
900 m
Modified from: Buchanan, 1981
VEIN
BOILING LEVEL
Can move up and
down over time
SINTER
ORE MINERAL
DEPTH ZONES
pyrite, rare gold,
mercury
SHEETED VEINS
IMPLOSION BRECCIA
VEIN
MAIN
PRECIOUS
METAL
HORIZON
BASE
METAL
HORIZON
gold in pyrite,
silver sulfosalts
gold in electrum,
silver sulfides
galena, sphalerite,
chalcopyrite
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