Sage

In the adit a few feet from the river and 25 feet beiow surface

showings, the two veins have come together and constitute a vein
2 feet 6 inches wide. The vein strikes about east-west along the

wall of the river and dips 45 degrees north. It is well minerai-

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channel sample assayed 0.23 ounce in gold and 1.5% ounces of
silver a ton. At 50 feet to the west the volcanics end. fhe
shear zone continues for 170 feet in the diorite, cand contains a
quartz vein or stringers of quartz across a total width of 1 vo 3
feet. The quartz carries much pyrite in places and some chaico-
pyrite. Beyond this stretch for more than 40 feet the zoae is
about 1 foot wide and holds quartz end pyrite. The intrusive
continues to the west. Sixty feet east of the adit the main vein
is 1 foot wide, but seems to be less well mineralized than at the
adit. Diorite occurs on the trail about 100 feet north of the
river here and continues to the east along the trail. so that the
body of volcanics is either very narrow or, more likely, terminates.
The mineralization in the diorite changes anc appear to be poorer
than in the volcanics: thus the common tendency for ‘he important
values to die out going into the diorite is suggested, The
volcanic mass can hardly have eny great depth since it is
surrounded on at least three sides by the diorite. The river is

on the other side of the exposure.

Kitsalas Mountain Area

Kitsalas mountain is largeiv underlain by massive, green,
volcanic rocks cut by many dy'ses of various kinds and ages and
invaded, on the southwest slope anc vessibly elsewhere, by albite-
rich diorite and andesine cranodiorite of quite different ages.

51

The rocks are cus by many faults and are sheared and highly altered

along many zones.

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