(exposed in Arizona’s Grand Canyon) The Vishnu schist is part of the Vishnu complex in the exposed basement rocks of the Grand Canyon region. This metamorphic layer was formed by the intrusion of plutonic masses from under the crust and the deposit of sediment from an eroded mountain chain. The oldest rocks in the Vishnu […]
What is the Zion Virgin River Narrows? (Zion National Park) The Narrows is the narrowest section of Zion Canyon. It is an 18 mile gorge or canyon filled by the Virgin River just upstream from the part of Zion where the roads and trails end. This gorge, with walls a thousand feet tall and the […]
I’m a bit heartbroken as day five in the search for five year old Jerold Williams comes to a close, his body was recovered just hours ago. I spent a good part of days three and four looking for him, and headed home as storms again moved into the area and made the already slim […]
Perhaps because it is covered in detail in Grade School and Middle School curriculum, one of the most asked geologic questions I hear from youth has to do with differentiating between the three types of volcanoes. Three Main Types of Volcanoes* The three main types of volcanoes differ in shape, size, and make-up; the differences […]
Utah’s sandstone units tend to be exposed on the flanks of large gentle uplifts …
The Navajo Sandstone is a geologic formation in the Glen Canyon Group that is spread across the U.S. states of southern Nevada, northern Arizona, northwestColorado, and Utah; as part of the Colorado Plateau province of the United States. The Navajo Sandstone formation is particularly prominent in southern Utah, where it forms the main attractions of […]
Keeper potholes are found in slot canyons. In the recent decades “slot” canyoneering has become a major sport, and very few areas of the world have nearly the number or diversity of slot canyons as southern Utah. People come from all over the world to descend slot canyons of varying difficulty in places such as Zion National Park, Grand Staircase–Escalante National Monument, Capitol Reef National Park, the San Rafael Swell, and Glen Canyon National Recreation Area.
Nestled in the northwestern corner of Kane County is a geologically unique feature that receives relatively few visitors. Although most people in Utah have seen caves and waterfalls, it is peculiar for a waterfall to emerge from a cave system. Cascade Falls does just that, as an underground river emerges from a deep cave system and cascades down a steep cliff face.
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