Question

fill in the blanks
process occur in rocks which have iron present in them​

Answer 1

Answer:

Commonly, the presence of iron is determined to be within a rock due to certain colorations from oxidation. ... Oxidation can occur from bacteria or by chemical oxidation. This often happens when ferrous ions come into contact with water (due to dissolved oxygen within surface waters) and a water-mineral reaction occurs.

Answer 2

Answer:

the presence of iron is determined to be within a rock due to certain colorations from oxidation. ... Oxidation can occur from bacteria or by chemical oxidation. This often happens when ferrous ions come into contact with water (due to dissolved oxygen within surface waters) and a water-mineral reaction occurs.

Explanation:

so oxidation process occur in rocks which have iron present in them.

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