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Ch. 3: Topology, Geology of California

Ch. 3: Topology, Geology of California Page of 331 Ch. 4: Distribution and Value of Gold in California Text size:minus plus Restore normal size   Mail page  Print this page
OF THE SIERRA NEVADA.                               69
and teeth of the elephant have been found imbedded in them. The gravel is composed of such rocks only as are found to the eastward in the foothills and the mountains of the Sierra Nevada, and consequently must have come from that general direction.
A section of the gravel occurring in the New Kelly claim shows the deposit to consist of:
Quartz gravel of large size is of rare occurrence. Boulders of diorite, several tons in weight, are common in some of the deeper holes of the bed-rock. The greater part of the gold is confined to the lower stratum of gravel, next to the bed-rock, and is associated with magnetic iron and platinum.
Ch. 3: Topology, Geology of California Page of 331 Ch. 4: Distribution and Value of Gold in California
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