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- Arrastra - Wikipedia
An arrastra (or arastra) is a primitive mill for grinding and pulverizing (typically) gold or silver ore Its simplest form is two or more flat-bottomed drag stones placed in a circular pit paved with flat stones, and connected to a center post by a long arm
- Arrastras Illustrated in These Historical Photos - Western Mining History
Arrastras were an important and popular technology in the development of Western mines Fortunately, enough photos and physical evidence remains to adequately document these fascinating machines Arrastras were replaced by much larger and more complex milling methods and machinery
- Discover the RSI Arrastra - Roberts Space Industries
A completely self-contained mining platform with habitation for five, three independent industrial mining turrets, an on-board refinery, stout defensive capabilities, and more, the Arrastra lets you take on massive operations, however remote
- Arrastra - Star Citizen Wiki
The Arrastra, a mining platform produced by Roberts Space Industries (RSI), is designed to address the numerous hazards associated with mining the abundant and valuable resources found throughout the universe
- Arrastras. Historic Gold Mining Method for Processing Ore
An arrastra, also known as a Mexican Rastra, was a primitive method used by early miners to process gold and silver ores It was introduced to the new world by the Spanish in the 1500’s
- Arrastra Arrastre
An Arrastra was a crude powered crusher which goes back to the mining days of the Spanish Mules, burros or oxen were used to pull a heavy rock around and around to crush the ore
- Mexican Arrastras - Calaveras Heritage Council
Arrastras, simple ore-grinding mechanisms, were introduced into California by experienced Mexican miners and many were in use in Calaveras County…
- ARRASTRA Definition Meaning - Merriam-Webster
The meaning of ARRASTRA is a rude drag-stone mill for pulverizing ores (such as those containing free gold)
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