Sepon Mine about 400 kilometres (250 mi) southeast of Vientiane with reserves of copper and gold. In the 1980s which was subsequently awarded a contract.Copper; Gold; About; Custom View. Metric: Unit of Intensity: (tCO2e/kboe) (gCO2e/MJ) Add Scope 3 End Use Emissions: Metric Basis: Net Equity Gross Operated. View By: Group By: Download Select Chart: Stacked Column Type: Value Stacked Percent Stacked. Top N Top N Groups User Selection. Carbon Pricing Basis ($/tCO2e) Countries with carbon pricing …