What invasion? Who invaded who?
According to recent data, Libya has approximately 146.65 metric tons of gold reserves, placing it among the top gold reserve holders in Africa, with most sources stating it as the fourth largest gold reserve holder on the continent
https://tradingeconomics.com/libya/gold-reserves#:~:text=Gold Reserves in Libya averaged,source: World Gold Council&text=Gold Reserves are country's gold,controlled by the central bank.
This link has a graph of Lybia's total gold reserves over time.
But shortly before he died, Gaddafi sold a fifth of Libya’s gold reserves, and most of the proceeds from this sale are still missing. The so-called Panama Papers could now shed light on the search for this incredible fortune.
https://panamapapers.sueddeutsche.de/articles/573aeac75632a39742ed39a0/