Fossil insect
Fossil
About it
Insects pressed flat in fine-grained rock, often with wing veins showing. Brazil's Crato Formation, Florissant in Colorado, and the Green River Formation are rich sources; Brazil bans fossil export.
- Type
- Fossil (arthropod)
- Group
- Insect (arthropod)
- Colours
- brown, black, orange-brown, on tan or grey rock
- Transparency
- opaque
- Periods
- Jurassic, Cretaceous, Paleogene, Neogene
Typical values: real specimens vary. For more, see mindat.org.