Shatter Cone | 903 grams | Impactite | Sudbury Impact Structure | Ontario, Canada | SO24 Spinel It is a nice dark

It is a nice dark gray color and is full of small holes

known as "silk

Origin:   Africa

2 inches                          Specimen Box 33x33 mm / 1

Shatter Cone | 903 grams | Impactite | Sudbury Impact Structure | Ontario, Canada | SO24 Spinel It is a nice darkThis is a fantastic shatter cone from Canada weighing 903 grams and measuring 12. 8x8. 3x6. 3 cm. This shatter cone was formed 1. 849 billion years ago at the Sudbury Basin (also named Sudbury Structure) in the Paleoproterozoic era. Although not a meteorite, impactites and shatter cones are directly linked to them and their impacts. Shatter cones are evidence that the rock has been subjected to an extreme shock with very brief high pressures. Shatter