native metal
Example Sentences
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The native metal and the sulphide are believed to be formed mainly as primary minerals of igneous origin.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
Minor sources include the black or gray sulphide, metacinnabar, the native metal, and the white mercurous chloride, calomel.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
Iron pyrites, however, is of greater practical importance, being in some districts exceedingly rich, and, next to the native metal, is the most prolific source of gold.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" by Various
Ores and Minerals.—The principal source of bismuth is the native metal, which is occasionally met with as a mineral, usually in reticulated and arborescent shapes or as foliated and granular masses with a crystalline fracture.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" by Various
The Bolivian deposits contain the native metal, the oxide, and the carbonate, associated with gold, silver, and tin minerals, in one locality in slates and in another locality in porphyry.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
