New Mexico Statutes Chapter 50. Employment Law § 50-6-5. Prohibited occupations for children under eighteen

No child under the age of eighteen years shall be employed or permitted to labor in any mine or quarry underground or at or about any place where explosives are used. However, children under the age of eighteen years but not under the age of fourteen years may be employed to separate mica if blasting is done during periods when there is nobody working, and the mica is subsequently removed from the blasting area to another site for operation.