Useful english dictionary. 2012.
Patio process — The patio process was a process used to extract silver from ore. It was developed by Bartolomé Medina in Pachuca, Hidalgo, Mexico in 1557 for the Pachuca Real del Monte mines. The patio process was the first process to use mercury amalgamation to … Wikipedia
patio process — or Mexican process Method of isolating silver from its ore, apparently dating from pre Columbian times. The ore was crushed and ground by mule power in arrastras, reducing it to a fine mud. This was then spread over a courtyard or patio,… … Universalium
Patio — Pa ti*o (p[aum] t[ e]*[ o]), n. [Sp., a court] (Metal) A paved yard or floor where ores are cleaned and sorted, or where ore, salt, mercury, etc., are trampled by horses, to effect intermixture and amalgamation. [1913 Webster] Note: The patio… … The Collaborative International Dictionary of English
process — processual /pro sesh ooh euhl/ or, esp. Brit, /proh /, adj. /pros es/; esp. Brit. /proh ses/, n., pl. processes /pros es iz, euh siz, euh seez / or, esp. Brit., /proh ses , proh seuh /, v., adj. n. 1. a systematic series of actions directed to… … Universalium
Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… … Wikipedia
Pan amalgamation — The Pan amalgamation process is a method to extract silver from ore, using mercury. The process was widely used from 1609 through the 1800s; it is no longer used. The patio process had been used to extract silver from ore since its invention in… … Wikipedia
silver processing — Introduction preparation of the ore for use in various products. Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… … Universalium
Medina, Bartolomé de — ▪ Spanish theologian born 1528, Medina de Ríoseco, Spain died 1580, Salamanca Spanish Dominican theologian who developed the patio process for extracting silver (silver processing) from ore. Medina developed the patio process, an… … Universalium
Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn … Wikipedia
Comstock Lode — Bonanza ore, Consolidated California and Virginia Mine, Comstock Lode The Comstock Lode was the first major U.S. discovery of silver ore, located under what is now Virginia City, Nevada, on the eastern slope of Mount Davidson, a peak in the… … Wikipedia
