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ancient gold mine

Gold Mining Methods Summary. Historically, the majority of gold was mined from "placer deposits", where gold has settled out of an existing or ancient waterway downstream of where nuggets had eroded out of rock outcrops. Ancient Naval Mines Do you know about the ancient history of naval mines? Around the 14th and 15th centuries, the Chinese had already mastered land mines but were getting increasingly angry at enemy junks floating safely up and down their rivers. Ancient Human Metropolis Found in Africa Perhaps the ancient city was built near our planet's largest gold supply for a reason. But why would ancient people work so hard to mine gold? You can't eat it. It's too soft to use for tools. It isn't really useful except for ornaments and its physical beauty.    Read More

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