Polymetallic Sulphides
Q. Polymetallic Sulphides have been consistent source of which of the following?
1) Gold
2) Copper
3) Lead
4) Aluminium- Published on 16 Jun 16a. 1, 3, 4
b. 1, 2, 3
c. 2, 4
d. All of the above
ANSWER: 1, 2, 3
- Polymetallic Sulphides contain three or more metals/elements.
- Polymetallic sulphides have been consistent source of metals like iron, copper, zinc and lead. Apart from these they are also seen as economically viable resources of silver and gold.
- It may occur in magmatic, volcanogenic, or hydrothermal environments.
- Most sites have been located in mid-ocean at the East Pacific Rise, the Southeast Pacific Rise and the Northeast Pacific Rise. Several deposits are also known at the Mid-Atlantic Ridge but only one has so far been located at the ridge system of the Indian Ocean.