Potentiella nedslagskratrar i Sverige med fokus på Östersjön och östkusten

Detta är en Kandidat-uppsats från Lunds universitet/Geologiska institutionen

Sammanfattning: Impact structures are one of the most common geologic structures in our solar system, but relatively few impact structures have been found on Earth. There are many reported potential impact structures, but few have been investigated or confirmed. This paper intends to investigate how an impact structure is identified and how a potential impact structure can be found. Furthermore, information has been gathered on five potential impact structures in Sweden and an interpretation on the results have been made. I have attempted to establish the likelihood of an impact origin with the data that was gathered. The structures that have been investigated are: Harads, Ivar, the Landsort Trench, Möcklehult and Verkegards. Due to seismic data giving a clear indication of the structure’s morphology, along with a coinciding gravity anomaly, Ivar is the most likely to be an impact structure out of the five investigated structures. The remaining structures have an uncertain origin or are unlikely to be impact structures. For the uncertain structures additional studies are required for establishing if an impact origin is likely or not.

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