<p>Favourable condition for the formation of porphyry copper deposits is :
1. Extremely low oxygen fugacity in initial magma
2. High water content in initial magma
3. Crystallization of magama at deep crustal level
4. Crystallization of magama at earth's surface</p>

CC BY-SA 4.0
2020-02-26T15:19:44.827Z
Looks like an exam question...
Jean-Marie Prival
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2020-02-26T15:35:26.553Z
Yes, saw it in a question paper. Only one answer is correct
Diksha
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2020-02-27T08:18:33.633Z
Exam questions are better received if you show what you have tried to answer the question yourself.
gerrit
<geology><geochemistry><economic-geology><ore>
What are the favourable conditions for the formation of porphyry copper deposits?
Diksha
# What are the favourable conditions for the formation of porphyry copper deposits?

(Asked by: username_0 on 2020-02-26)

Favourable condition for the formation of porphyry copper deposits is :
1. Extremely low oxygen fugacity in initial magma
2. High water content in initial magma
3. Crystallization of magama at deep crustal level
4. Crystallization of magama at earth's surface

**Tags:** geology, geochemistry, economic-geology, ore

> **Comments:**
> **username_1**: Looks like an exam question...  
> **username_0**: Yes, saw it in a question paper. Only one answer is correct  
> **username_2**: Exam questions are better received if you show what you have tried to answer the question yourself.  

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## 0 answers

