Amount of capitalized acquisition cost incurred during the period for mineral properties.
No definition available.
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
Mineral properties, net of adjustments.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1