Cal. Civil Code § 883.230

(a) An owner of a mineral right may at any time record a notice of intent to preserve the mineral right. (b) In lieu of the statement of the character of the interest claimed and the record location of the documents creating or evidencing the mineral rights claimed as otherwise required by paragraph (2) of subdivision (b) of Section 880.330 and in lieu of the legal description of the real property in which the interest is claimed as otherwise required by paragraph (3) of subdivision (b) of Section 880.330 and notwithstanding the provisions of Section 880.340 or any other provision in this title, a notice of intent to preserve a mineral right may refer generally and without specificity to any or all mineral rights claimed by claimant in any real property situated in the county. (c) A mineral right is not dormant for the purpose of this article if: (1) A notice of intent to preserve the mineral right is recorded within 20 years immediately preceding commencement of the action to terminate the mineral right. (2) A notice of intent to preserve the mineral right is recorded pursuant to Section 883.250 after commencement of the action to terminate the mineral right.