9 PROSFECTING CONSIDERATIONS

De a a adi

IN A PAPER SUCH AS THIS, 1T MAY DE APPROPRIATE TO REVIEW THE

SALIENT GEOLOGIC FEATURES THAT APPEAR TO HAVE BEEN SIGNIFICANT IN THE

FORMATION OF THE CASSIAR OREBODY. THESE MAY BE USEFUL IN THE SEARCH FOR

OTHER DEPOSITS. THERE ARE FIVE MAIN FEATURES:

1)

2)

3)

4)

5)

THE OREDOOY OCCURS IN A HIGHLY SERPENTINIZED, MASSIVE

PERIOO HII.

Iv 18 LARGE ENOUGH THAT IT WAS NOT COMPLETELY SHEARED DY
REQIONAL MOVEMENTS, BUT SMALL ENOUGH TO BE INTENSELY

FRACTURED.

THERE 18 A LOCAL FOLO, TO PROMOTE AND CONCENTRATE THE

FRACTURING.

Iy 1S WITHIN ONE MILE OF THE CASSIAR BATHOLITH, A PROBABLE

SOURCE OF HEAT AND PRESSURE.

Ir oCcuURS IN UPPER PALEOZOIC ROCKS, CONTAINING MARINE
SEDIMENTS AND SUBMARINE VOLCANIC FLOWS. Most OF THE
ALPINE ULTRAMAFICS IN THE CORDILLERA CONTAINING ASGESTOS

»

OCCUR IN UPPER PALEOZ0IC FORMATIONS.