Question

Release of iron from primary minerals and their dispersal as coatings on soil particles to impart brown to red colour to soil particles
(A). Braunification
(B). Ferruginisation
(C). Rubification
(D). Laterisation
Choose the correct answer from the options given below:

• A. (A), (B) and (D) only.
• B. (B), (C) and (D) only.
• C. (A), (B) and (C) only.
• D. (A), (C) and (D) only.

Hint:

Iron oxides are the primary coloring agents in soils:
- Goethite ($\text{FeOOH}$) $\rightarrow$ Yellowish-brown (Braunification).
- Hematite ($\text{Fe}_2\text{O}_3$) $\rightarrow$ Red (Rubification).

Answer 1

The Correct Option is C