Section 138: Obstruction.

(1) Any person who without lawful cause-
(a) interferes with or obstructs any mining or quarrying operations authorized by or under this Act ; or
(b) interferes with any machinery, plant work or property on, in under or over land in exercise of a right conferred by or under this Act commits an offence.
(2) A person who commits an offence under section 137 and subsection (1) of this section is liable on conviction-
(a) at the first instance, to a fine not exceeding N500,000.00 or to imprisonment for a term not exceeding 2 years or to both the fine or imprisonment ; and
(b) at a second or subsequent offence, to imprisonment for a term not exceeding 5 years or below 2 years.
(3) If the offence is continuing one whether or not it is a first offence, the person convicted shall, in addition, be liable to a fine of N10,000.00 in respect of each day or part of a day during which the offence continues.