A meteorite, or not?

This stone is magnetic, but not everywhere.

Asker: Marsha, 38 years old

Answer

Dear Marsha

Unfortunately, not. Photo 1 shows an earthly rock, although I cannot say exactly what type of rock it is based on the photo alone.

The stone is strongly rounded. That means it rolled on the bottom of a river for a long time or lay in the surf in the sea. Small pieces of the stone were broken off each time. Theoretically, this could also take place with a meteorite, but a meteorite will not ‘survive’ the physical and chemical weathering processes on Earth for long. Most meteorites are therefore found in deserts and on the Antarctic ice sheet, where almost no weathering takes place.

According to the Meteoritical Bulletin Database, there are a total of only 5 confirmed meteorite finds in Belgium. The last find was made in 1971 near Tintigny in the province of Luxembourg. This meteorite was found after it hit the roof of a house.

Answered by

Prof. dr. Robert Speijer

Geology – Paleontology – Paleoclimatology. You study geology in Leuven!

Catholic University of Leuven
Old Market 13 3000 Leuven
https://www.kuleuven.be/

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