Summary

Licensing

This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey , an agency of the United States Department of the Interior . For more information, see the official USGS copyright policy . Bahasa Indonesia ∙ català ∙ čeština ∙ Deutsch ∙ eesti ∙ English ∙ español ∙ français ∙ galego ∙ italiano ∙ Nederlands ∙ português ∙ polski ∙ sicilianu ∙ suomi ∙ Tiếng Việt ∙ Türkçe ∙ български ∙ македонски ∙ русский ∙ മലയാളം ∙ 한국어 ∙ 日本語 ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ العربية ∙ فارسی ∙ +/−

Original upload log

• 2009-07-24 00:14 Plazak 600×369× (60649 bytes) {{Information |Description = Cross section of a typical porphyry copper deposit |Source = "Descriptive model of porphyry Cu," in Mineral Deposit Models, US Geological Survey Bulletin 1693, p.79. |Date = 1986 |Author = Dona