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‘Congenital’ Copper Deposit in the Rat

✍ Scribed by BRÜCKMANN, G.; ZONDEK, S. G.


Book ID
109534290
Publisher
Nature Publishing Group
Year
1940
Tongue
English
Weight
117 KB
Volume
146
Category
Article
ISSN
0028-0836

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📜 SIMILAR VOLUMES


Copper Deposit Found
✍ Lee Gebhart 📂 Article 📅 1968 🏛 Society for Science & the Public 🌐 English ⚖ 355 KB
The michiquillay porphyry copper deposit
✍ V. F. Hollister; E. B. Sirvas 📂 Article 📅 1974 🏛 Springer 🌐 English ⚖ 684 KB

Michiquillay is a mineralized intrusive quartz monzonite porphyry displaying typical porphyry copper alteration zones as found in metallized intrusives of that composition. From the interior outward these are the phyllic, argillic and propylitic zones. The potassic zone is not exposed at the surface