Auriferous gravel interceptor

Details Auriferous gravel interceptor Auriferous gravel interceptor

1981-06-10

1983-08-09

Purser, Ernest R.

Mining or in situ disintegration of hard material

With separation of materials

Separation below surface of earth or water

209 44, 209257, 210159, 405 74, E21C 4500

Patent

active

043975038

ABSTRACT:
A continuous belt traverses a river through channels on the river bed and carries intercepted material to the river banks for separation of precious metals and gemstones therefrom. Method and apparatus claimed.

REFERENCES:
patent: 553775 (1896-01-01), Bronson
patent: 3013395 (1961-12-01), Gaylord
patent: 3210121 (1965-10-01), Struven
patent: 3754789 (1973-08-01), Hering

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