Oise amber
Oise amber (French: [waz] ⓘ) is a type of amber found near the Oise river near Creil in northern France.[1] Oise amber is around 53 million years old, dating to the Early Eocene (Ypresian).[2] Oise amber is softer than Baltic amber, although Oise amber is older and both types of amber have similar geographic origins.[1] The formation is known for preserving a diverse fauna of invertebrates.
History
In the late 1990s, an amber deposit was discovered by French entomologist
Geology
The amber originates from the Argiles d'lignite du Soissonnais, which forms part of the stratigraphy of the Paris Basin. The strata form channels cutting into the underlying marine deposited Late Paleocene (Thanetian) aged greensand. The main lithologies of the beds are lenticular bedded bodies consisting of clay rich sand. These are divided into two subfacies, the first of which contains pyrite-rich lignite, as well as amber, the other contains proportionally less lignite, as well as remains of terrestrial vertebrates.[1] The deposit also contains the remains of many coprolites.[2]
Description
Oise amber tends to be a very clear yellow, and pieces of Oise amber are usually a few centimetres long. In every flow of Oise amber, there is usually at least one inclusion.
Diversity
The amber shows a high diversity of invertebrate
References
- ^ ISBN 978-0-9558636-4-6. Archivedfrom the original on 18 February 2023. Retrieved 9 February 2023.
- ^ a b c d e f BRASERO, NEL, MICHEZ, Nicolas, André, Denis (2009). "Insects from the Early Eocene amber of Oise (France): diversity and palaeontological significance" (PDF). Archived (PDF) from the original on 3 March 2022. Retrieved 13 January 2023.
{{cite web}}: CS1 maint: multiple names: authors list (link) - ^ from the original on 13 January 2023. Retrieved 13 January 2023.
- from the original on 13 January 2023. Retrieved 13 January 2023.
- from the original on 4 February 2023. Retrieved 4 February 2023.
External links
Media related to Oise amber at Wikimedia Commons
