Some native silver is found, and it is said that a small amount of native copper is also present.
12.
It occurs in arid environments along with native silver, iodargyrite and smithsonite along with iron and manganese oxide minerals.
13.
In the oxidized zone, ore minerals include native silver and argentite have been replaced by cerargyrite, iodobromite, bromyrite, embolite, iodyrite.
14.
Some native silver was also recovered; approximately 41, 000 ounces total silver was reported recovered in the years 1846-1852 and 1858-1871.
15.
It is associated with other silver minerals and sulfides such as native silver, native arsenic, xanthoconite, stephanite, acanthite, tetrahedrite and chlorargyrite.
16.
The Keeley and Frontier add stamp and floatation mills to recuperate the rich mill grade ores associated with the native silver.
17.
Native Silver perch and introduced brown trout were released in 1981 83 and 1987 89 respectively, but have not been stocked since.
18.
Many minerals such as aurichalcite, bronchanite, caledonite, cerussite, hemimorphite, hydrozincite, linarite, native silver, rozenite, and zincsilite have been found at the location.
19.
The copper is present as sulfides ( most commonly chalcocite ) and malachite associated with organic material; some native silver is also present.
20.
It occurs as a hydrothermal mineral in silver bearing veins in association with native silver, pyrargyrite, acanthite, stromeyerite, tetrahedrite, allemontite, galena, calcite and baryte.