DescriptionTopaz Mountain Rhyolite Utah USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows a section of Topaz Mountain Rhyolite on the east...
DescriptionTopaz Mountain Utah USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows Topaz Mountain (Utah), the type locality of the Miocene...
DescriptionTuff of Topaz Mountain Rhyolite 1 USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows tuff of Topaz Mountain Rhyolite filling a paleovalley...
DescriptionTuff of Topaz Mountain Rhyolite 2 USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows stratified tuff of the Topaz Mountain Rhyolite filling...
Ridge 1 USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows the view northeast from the Drum Mountains, showing a sequence of rhyolite flows...
DescriptionAntelope Ridge 2 USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows crossbedded tuff of Topaz Mountain Rhyolite at the south end of...
Antelope Ridge USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows stony tuff, abundant at Antelope Ridge (Juab County, Utah). Most stones...
Antelope Ridge USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows a large lithic fragment in tuff of Topaz Mountain Rhyolite at Antelope Ridge...
Wildhorse Springs USGS ofr-98-0524.jpg English: Slightly edited USGS caption: Shows pumice-rich tuff near Wildhorse Springs, north of The Dell (Utah). Pumice forms...