The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

chemical weathering of quartz and feldspars

precipitation of iron oxides during the chemical weathering process

mechanical weathering of very fine-grained, blue-gray clays

mechanical weathering of the feldspars and micas in granite and rhyolite

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

chemical weathering of quartz and feldspars

precipitation of iron oxides during the chemical weathering process

mechanical weathering of very fine-grained, blue-gray clays

mechanical weathering of the feldspars and micas in granite and rhyolite

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

chemical weathering of quartz and feldspars

precipitation of iron oxides during the chemical weathering process

mechanical weathering of very fine-grained, blue-gray clays

mechanical weathering of the feldspars and micas in granite and rhyolite