By American Geosciences Institute (AGI); Earth Science Week (ESW); Soil Science Society of America (SSSA)
Are soils like M&Msâ„¢? Yes! Typical soil colors are red, brown, yellow, or black. These colors are often not the color of the minerals in the soil but coatings of iron oxides (Fe203, FeOOH, and so on) or organic matter on particles. The minerals beneath are often quartz or feldspar, which are...
Grade Level 9 10 11 12
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