Bentonite is an absorbent swelling clay consisting mostly of montmorillonite. It usually forms from weathering of volcanic ash in seawater.
The Bentonite Hills appear as softly-contoured, banded hills in varying hues of brown, red, purple, gray, and green.
Wow, 山丘的紋路和 Oregon Painted Hills相類似, 但更雄偉壯觀, 尤其是空拍的效果更為震撼. Wonderfully done!!
奇岩怪石，層次分明鮮艷，與 NM Badlands vs Arizona White Pocket 地質異曲同工.