give reason as to why red soil is red in colour
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Their colour is mainly due to ferric oxides occurring as thin coatings on the soil particles while the iron oxide occurs as haematite or as hydrous ferric oxide, the color is red and when it occurs in the hydrate form as limonite the soil gets a yellow colour.
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ᴛʜᴇɪʀ ᴄᴏʟᴏᴜʀ ɪs ᴍᴀɪɴʟʏ ᴅᴜᴇ ᴛᴏ ғᴇʀʀɪᴄ ᴏxɪᴅᴇs ᴏᴄᴄᴜʀʀɪɴɢ ᴀs ᴛʜɪɴ ᴄᴏᴀᴛɪɴɢs ᴏɴ ᴛʜᴇ sᴏɪʟ ᴘᴀʀᴛɪᴄʟᴇs ᴡʜɪʟᴇ ᴛʜᴇ ɪʀᴏɴ ᴏxɪᴅᴇ ᴏᴄᴄᴜʀs ᴀs ʜᴀᴇᴍᴀᴛɪᴛᴇ ᴏʀ ᴀs ʜʏᴅʀᴏᴜs ғᴇʀʀɪᴄ ᴏxɪᴅᴇ, ᴛʜᴇ ᴄᴏʟᴏʀ ɪs ʀᴇᴅ ᴀɴᴅ ᴡʜᴇɴ ɪᴛ ᴏᴄᴄᴜʀs ɪɴ ᴛʜᴇ ʜʏᴅʀᴀᴛᴇ ғᴏʀᴍ ᴀs ʟɪᴍᴏɴɪᴛᴇ ᴛʜᴇ sᴏɪʟ ɢᴇᴛs ᴀ ʏᴇʟʟᴏᴡ ᴄᴏʟᴏᴜʀ.
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