Question

Definition of strategic critical and essential minerals

Answer 1

. Minerals essential to the national defense, the procurement of which in war, while difficult, is less serious than those of strategic minerals because they can be either domestically produced or obtained in more adequate quantities or have a lesser degree of essentiality, and for which some degree of conservation and distribution control is necessary.

See Also: strategic minerals, essential mineral

Ref: Hess

ii. Minerals or mineral associations that are stable only under the conditions of one given metamorphic facies and will change upon change of facies. For example, in Eskola's greenschist facies, sericite and chlorite, albite and epidote are critical mineral associations because these combinations cannot persist out of the field of the greenschist facies, although any one of the individual minerals may be found in more than one facies.

Answer 2

A strategic minerals includes those minerals that have high values.

Explanation:

• The minerals that are sued for strategic and critical purposes are used for military, industrial and commercial purposes.  They are used for national defense and medical devices etc. Also, the essential minerals may include electronics, agriculture, and other devices.

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