Structural Relationships of Pre-Tertiary Rocks in the Nevada Test Site Region,211 Southern Nevada

摘要

This report summarizes the evidence for a revised interpretation of major211u001estructural features in the pre-Tertiary rocks of the region including and 211u001esurrounding the Nevada Test Site. The thick Miogeoclinal section of Late 211u001eProterozoic through Lower Permian sedimentary strata records major foreland-211u001evergent thrust faulting, younger hinterland-vergent folding and thrusting, and 211u001elocal extension on low-angle normal faults. In addition, structural 211u001ediscontinuities in the north-eastern part of the Nevada Test Site strongly 211u001esuggest a broad, north-trending zone of sinistral strike-slip faulting that may 211u001ehave had a cumulative offset of many kilometers.