Photos of impact breccias produced by an asteroid impact in Canada
Information -- Sudbury Basin
Manson Crater in Iowa
(Photos of impact breccias from drill cores)
Breccias from the Azuara Impact in Spain
Field Trip --- Azuara Impact in Spain
More Photos of Impact Breccias
Field Trip to Gardnos Impact in Norway
Impact Breccias --- Rochechouart Crater in France
Impact Rock Textures
The following photos are *possibly* impact material collected in east central Illinois and west central
Fairly soft -- both light matrix and darker clasts are scratched by a penny
Similar appearing erratic near Fowler, Indiana.
Both resemble specimens from Sudbury,
but are not glassy.
Middle specimen resembles a melt glass breccia
-- the matrix is extremely fine grained -- just short of being 'glassy'.
Specimen on the right resembles the hydrothermal
'breach' from France.
Front row, second from the left
fall-back breccia (onaping) from
The matrix does not have the
appearance of 'typical' tillite.
Several of these specimens were collected from the landscape rock near Covenant Hospital in Urbana.
Click on the photo for pictures of the Sudbury Breccia
Erratic near Fowler, Indiana.
Impact breccia in Russia.
Click Photo for more pictures.