 Image by Robert M. Lavinsky, via Wikimedia Commons. Licensed CC BY-SA 3.0 |
MotherlodeMother lode Mother lode Principal vein of gold or silver ore For the California region commonly known as the Mother Lode, see Gold Country. For other uses, see Mother lode (disambiguation). Mother lode is a principal vein or zone of gold or silver ore. The term probably derives from a literal translation of the Spanish veta madre, a phrase common in old Mexican mining. It is also used colloquially to refer to the real or imaginary origin of something valuable or in great abundance. (Left) Two water-worn gold nuggets from Tuolumne County. They are typical of larger nuggets found by the early California gold rush placer miners (each ~1.6 x 1.1 x 0.3 cm). (Right) Crystalline gold specimen from the… (Source: Wikipedia)
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