호주
Chief Geoscientist - Mineral exploration drillholes (open file) (DMIRS-046)
Open file Company Mineral Drillhole Database containing historic drillholes. The database is an aid to mineral exploration in Western Australia. Under the Mining Act 1978 companies submit annual mineral exploration reports some of which contain drillhole data. This information is made available when the reports are released to the public usually after a confidentiality period of five years. As a minimum, available drilling data comprises a collar file validated against the tenement outline. Additional files such as assays, geology and surveys may also be available depending on the company's submission