Mother lode
![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).](/Images/godic/202501/28/Gold-1926402216.jpg")
![Crystalline gold specimen from the California Mother Lode, probably from Tuolumne County (5.3 x 2.7 x 2.4 cm).](/Images/godic/202501/28/Gold-2068322216.jpg")
Mother lode is a principal vein or zone of veins of gold or silver ore. The term is also used metaphorically to refer to the origin of something valuable or in great abundance.
Motherload
英语百科
- Sierpinski set
- Sierpinski sponge
- Sierpinski sponges
- Sierpinski triangle
- Sierpinski triangles
- sierra
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- Sierra Blanca Peak
- sierra blanca pk.
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- Sierraland