The forms of nature gold are breccia and long breccia.Gold occurs mainly as interparticle grain, secondly is inclusion gold particle, and fissure gold takes only about 8.2%.

 
  • 自然金形态为角粒状、长角粒状,赋存状态以粒间金为主,其次为包裹金,裂隙金仅占8.;2%25,自然金为显微金。
今日热词
目录 附录 查词历史