Metamorphosed and Nonmetamorphosed Paleozoic Rocks in the Wood Hills and Pequop Mountains, Northeast Nevada

Field guide, roadlog, and comments on the geology from Wendover, Utah, to Wells, Nevada; for the Geological Society of America Penrose Conference

“…asymmetrical to overturned (verge) towards the northwest, plunge to the northeast, and have wave lengths of 2-4 miles and amplitudes of 0.5-1.5 miles (Figure 11). Thorman, 1970).…”

“…The large white cliff-forming unit (to your left) going up the canyon wall is the Eureka and the smaller, rusty colored quartzite in the foreground is the Kanosh quartzite. Thorman, 1970).…”

“…Figure 10. Correlation of metamorphosed lower plate rocks in the Wood Hills with nonmetamorphosed upper plate rocks in the Pequop Mountains (from Thorman, 1970).…”

“…One of the major questions here is the age of the latest movement along this contact. I termed this/these faults separating the two plates the Wood Hills thrust (Thorman, 1970), based on the assumption that all the movement occurred during the Sevier orogeny. Obviously, Tertiary movement needs to be considered as a possiblity along all low-angle faults in this region.…”

“…The upper plate rocks are further subdivided into a northern and southern sequence by the Wells fault (Thorman, 1970, Thorman andKetner, 1979), a WNW-ESE-trending right-slip tear fault that juxtaposes contrasting sedimentary facies, erosional patterns/features, and structures. Right slip across the fault is postulated to be 40-50 miles.…”