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2 results for “Urban mining” in History
History · 14 July 2026
The Gold Standard: How a Soft Yellow Metal Became Money
…dful of alluvial finds to tens of thousands of migrants within a season, to an industrial mining sector within a decade, to a permanently altered regional economy. · The immediate economic effect was inflationary and global. The mid-century Californian and Australian rushes rough…
Marguerite Adler · 14 min read
History · 9 August 2026
The Hoard Problem: What Buried Gold Actually Tells Us
…up inclusions distinguish alluvial metal, recovered from river gravels, from metal won by mining a vein. · The complication is recycling. Gold has been remelted continuously for five thousand years, and every melt blends sources and blurs the signal. A coin struck in one century…
Marguerite Adler · 16 min read
