Wildwood Falls, Oregon

Wildwood Falls and basalt, Oregon

waterfalls, stream, water, volcanic

Monument Valley, Utah (pan)

Monument Valley

Weathered and eroded, these isolated rock formations make up Monument Valley in southeastern Utah and northern Arizona. Formed by sandstone deposits and geologic uplift, the valley’s buttes and mesas sit around 5,600 feet above sea level and spans roughly 91,700 acres. (Image ID# desert)

Folded radiolarian (ribbon) chert

Overturned anticline and syncline in radiolarian chert.

anticline, syncline, structural geology, sedimentary Marin Headlands, California. Photo is 2 meters across. (Image ID # 111205-12)