2006-11-14 07:07:25 · 8 answers · asked by heartiagram 2 in Science & Mathematics ➔ Physics
Typically rocks with a reddish color have a high content of iron. The color is essentially iron oxide (rust).
2006-11-14 07:09:08 · answer #1 · answered by Aggie80 5 · 1⤊ 2⤋
Oxygen interacting with the rocks causes oxidation -- rust. This is why Mars soil appears red. Lots of C02 interacting with ferrous (iron) materials in the rocks, creating rust.
2006-11-14 07:10:10 · answer #2 · answered by Anonymous · 0⤊ 1⤋
Iron, Fe, produces the red color of limonite, (hydrated iron oxide hydroxide).
2006-11-14 07:50:12 · answer #3 · answered by Anonymous · 1⤊ 0⤋
the iron content in the rock
2006-11-14 07:11:07 · answer #4 · answered by you do not exist 5 · 0⤊ 1⤋
Oxidized iron, I believe
2006-11-14 07:14:44 · answer #5 · answered by teacherhelper 6 · 0⤊ 1⤋
actually its the electrons around the atoms in the rust that emits the color red
2006-11-14 08:13:22 · answer #6 · answered by Anonymous · 0⤊ 1⤋
Iron...or more exactly rust.
2006-11-14 07:09:14 · answer #7 · answered by feanor 7 · 0⤊ 1⤋
iron ore.....
2006-11-14 07:10:27 · answer #8 · answered by The One 3 · 0⤊ 1⤋