impact structure


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Related to impact structure: astrobleme, Impact craters

impact structure

n.
A large geologic structure, such as a crater or astrobleme, created by the violent collision between a planet and a space projectile such as a comet or meteor.
Translations
astroblème
References in periodicals archive ?
Among the topics are characteristics of impact craters in the northern hemisphere of Mars, scaling basin-sized impacts and the influence of target temperature, microscopic effects of shock metamorphism in zircons from the Haughton impact structure in Canada, and real-time crater profile analysis: visualizing high-resolution laser altimetry data sets on the graphics processing unit.
There is simply insufficient impact structure on an F1 car to absorb the energy of such an impact without either destroying the driver's survival cell, or generating non-survivable decelerations," it said.
In central Sweden, marine sediments of this age have been preserved from erosion in a ring-like depression around the ~30 km wide plateau (central uplift exposing the Precambrian basement) of the Siljan impact structure (Ebbestad & Hogstrom 2007).
The Vredefort structure (a World Heritage Site) is currently regarded as the oldest and largest clearly visible impact structure on Earth, formed when a gigantic meteorite (larger than Table Mountain) hit the Earth some two billion years ago.
Insights into the Michigan Basin; salt deposits, impact structure, youngest basin bedrock, glacial geomorphology, dune complexes, and coastal bluff stability.
All external parts of the impact structure have been removed, but the effects of the intense impact shock wave penetrated deep into the crust - far deeper than at any other known crater - and these remain visible.
STRUCTURAL MODELING OF THE VICHADA IMPACT STRUCTURE FROM INTERPRETED GROUND GRAVITY AND MAGNETIC ANOMALIES
This impact structure is poorly described, and I think I see a road trip in my future.
For example, in the Wells Creek impact structure in Tennessee, shatter cones are common in the Knox Dolomite over a 1.
Geological Survey, the deep drilling project examines the large impact structure, its association with the North American tektite strewn field, its relationship to other Eocene impact structures and materials, the implications of paleoclimate change, and its effects on the local area.
With an exception of figure 5b, it is clear how the SLFI and DLFI products show local favorability indices that enhance the Vichada impact structure.
The chief has said if the recruits are laid off for a long time, 18 vacancies are not filled and the cuts go beyond those 50 positions; the community impact structure can't exist.