QUALITY AKO GRADE TO THAT BEING MINED IN THE OPEN PIT.

c) THe Cassiar Oresooy

THE OREBGOY OCCUPIES THE BULGE AT THE CHANGE IN STRIKE OF
THE SERPENTINE. IT IS ROUCHLY CRESCENT SHAPED IK PLAN, THE HORNS
TRENDING SOUTHEAST AND NORTHEAST, RESPECTIVELY. IT CURRENTLY OUT
CROPS IN THE PIT BETWEEN ELEVATIONS OF 6,050 AND 5,870 FEET. THE
HANGINGWALL STRIKES NORTH 4ND DIPS ABOUT 35 DEGREES FAST. Footwart
DIPS ARE SOMEWHAT STEEPER BUT THE akeeeae AS A WHOLE DIPS ABOUT
45 DEGREES EAST. THE OREBODY APPEARS TO !NCREASE IN SIZE WITH
OEPTH BUT THIS MAY BE BECAUSE A CONSIDERABLE PART OF THE SURFACE
OUTCROP HAS BEEN REMOVED BY EROSION AT THE NORTH END. THE ULTIMATE
MINING LIMITS WILL PROBABLY BE DETERMINED BY ECONOMICS RATHER THAN

BY EXHAUSTION OF THE ORE.

THE OREBODY 1S A FIBRE-BEARING ZONE IN LIGHT-GREENW,
MASSIVE SERPENTINE, CONTAINING UPWARDS OF IO PERCENT CROSS—-FIGRE
CHRYSOTILE ASBESTOS, VARYING IN LENGTH UP TO THREE AND ONE-QUARTER
INCHES. IT 1S BOUNDFD ON ALL SIDES, EXCEPT THE EXTREME WESTERN
APEX, BY WASTE SERPENTINE CONTAINING iowtinatt TO LOW CONCENTRATIONS
OF SHORTER FIBRE. -IN MOST CASES, aes ORE LIMITS ARE SHARP AND

STRUCTURALLY CONTROLLED, BUT SOME ARE GRADATIONAL.
o) Structurar_Georocy

THE FOOTWALL AND HANGINGWALL ROCKS STRIKE GENERALLY NORTH
15 DEGREES WEST AND DIP HOMOCLINALLY EAST !HTO THE REGIONAL SYNCLINE
AT ABOUT 45 DEGREES. WHERE THE SERPENTINE BAND 1S NARROW, TO THE

SOUTH OF THE OREBODY, !T CONFORMS TO THIS STRUCTURE. IN THE VICINITY

OF THE MINE, HOWEVER, WHERE THE SERPENTINE BULGES, THE COUNTRY ROCKS