Akita Copper Mine

…By the mid-17th century, the gold and silver mines had started to decline, but from that time onwards, large copper veins were discovered one after another, mainly around Ozawayama, and they were subsequently operated as copper mines. The Ani Copper Mine was also called the Akita Copper Mine, and it is recorded that in the early 18th century it produced 20,060 pieces (20,060 pickles = 2,006,000 jin = 320,960 kan momme = 1,203,600 kg) of crude copper. However, copper production continued to decline thereafter, falling to around 1 million jin in the mid-18th century and to around 700,000 jin at the end of the Edo period. …

*Some of the terms mentioned in relation to "Akita Copper Mine" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…17世紀半ばに至って，金･銀山は衰退に向かったが，代わって，そのころから小沢山を中心に，有力な銅鉱脈があいついで発見され，以後銅山として稼行されることとなった。阿仁銅山は秋田銅山とも称され，18世紀初めには，2万0060個(2万0060ピクル＝200万6000斤＝32万0960貫匁＝120万3600kg)の荒銅を生産したと記録されている。しかし，その後銅産額も低迷を続け，18世紀半ばには100万斤前後，幕末には70万斤前後にまで減少した。…

※「秋田銅山」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報