![]() ![]() As a result of the close spatial and genetic relationship to porphyry stocks, they became known as porphyry copper deposits. Mining of the first porphyry copper deposits, which were originally called disseminated or low-grade copper deposits, started in 1905. The name evolved in the field of igneous petrology to include all rocks with a porphyritic texture, regardless of their color. It was later applied to a prized purple porphyritic rock, Imperial Porphyry or Porfido rosso attico, quarried by the Romans from Mons Porphyrites in the Eastern Red Sea hills of Egypt from the first to fifth centuries A.D., and used as a monumental stone in Imperial Rome and Byzantium (Istanbul). ![]() It was originally applied to a rare purple dye, Tyrian purple, extracted by the Phoenicians from murex shells. “Porphyry” is derived from the ancient Greek word porphyra ( πoρϕύρα), or purple. 7 years.The porphyry deposit name has a long and fascinating etymological history of over 3,000 years. Single territory rights for trade books worldwide rights for academic books. Image for Editorial (Books, magazines and newspaper) - extended (excludes advertising)Įg:Illustrate the inside of a book or magazine with a print run of 1,000 unitsĮditorial (Books, magazines and newspaper) - extended Image for Editorial (Books, magazines and newspaper) - standard All languages.Įg: Use this image as part of a social media post.Įditorial (Books, magazines and newspaper) - standard Web display, social media, apps or blogs. Image for Corporate website or social media Personal presentation use or non-commercial, non-public use within a company or organization only. Image for Personal website or social media ![]() Put this image on a mug as a present for someone. Not for commercial use, not for public display, not for resale.Įg: For use in an internal Powerpoint presentation at work. Personal Prints, Cards, Gifts, Slide Presentations, Reference. Image for Personal products and non-commercial presentations Personal products and non-commercial presentations ![]()
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