Entries by Lance Weaver

Utah’s Three Types of Volcanoes

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 […]

Why Are There So Many Arches in Utah?

Utah’s sandstone units tend to be exposed on the flanks of large gentle uplifts, which because these brittle layers are sandwiched between ductile shale layers, tend to form extensive joint systems which run perpendicular to the direction of the folds and parallel to the stress fields. Here’s a example pic where the joints are highly visible..

Navajo Sandstone

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 & How They Are Formed

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.

CASCADE FALLS, KANE COUNTY, UTAH

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.