Quartz present in the target rocks at impact sites and as clasts within impact melt rocks and some pseudotachylytes commonly exhibits a brown, nonpleochroic...
The Sudbury structure, Ontario, is the remnant of a 1.85 Ga old impact crater, which originally had a diameter of 200 to 250 km. The Sudbury Igneous Complex...
Trends of geophysical anomalies have made important contributions to local and regional structural studies within the North American continent, particularly in...
Despite being present in the target sequence of ~70% of the world's known impact structures, the response of sedimentary rocks to hypervelocity impact remains...
Surficial suevites from the Ries impact structure have been investigated in the field and using optical and analytical scanning electron microscopy. The...
The appearance and orientation of microscopic lamellar deformation features in quartz have been examined in samples from different geologic environments....
The 45-km diameter Montagnais impact structure, Nova Scotia, Canada, is characterized by a positive, circular 8 mGal gravity anomaly associated with its...
Historically, there have been a range of diameter estimates for the large, deeply eroded Vredefort impact structure within the Witwatersrand Basin, South...
The late Eocene Popigai impact structure of Siberia comprises an approximately 0.5-1.5 km thick, ~ 100 km diameter sequence of clast-rich and clast-poor...
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