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Open pit amber mine in Kaliningrad, showing the lithology of the Prussian Formation, the source rock of Baltic amber. In situ Baltic amber is derived from the sediments of the geological formation termed the Prussian Formation, formerly called the "Amber Formation", with the main amber bearing horizon being referred to as "Blue Earth", so named due to its glauconite content.
The Prussian Formation, previously known as the Amber Formation, is a geologic formation in Prussia, today mostly Kaliningrad Oblast that dates to the Eocene. [1] It holds 90% of the world's amber supply and Baltic amber is found exclusively in the Prussian Formation. [2] The Prussian Formation is equivalent to the Obukhov Formation of Ukraine ...
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Several rich fossil insect faunas are known from the Eocene, notably the Baltic amber found mainly along the south coast of the Baltic Sea, [129] amber from the Paris Basin, France, the Fur Formation, Denmark, and the Bembridge Marls from the Isle of Wight, England. Insects found in Eocene deposits mostly belong to genera that exist today ...
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Small amounts of Baltic amber can even be found outside the Baltic region, for example on the coastline of the south east of England. [2] However, about 90% [3] [4] to 98% [2] of all output of amber has been produced in the Sambia region (now a Russian exclave, formerly in Eastern Prussia and the Polish–Lithuanian Commonwealth). [2]
Anders L. Damgaard and, link to this file (Baltic amber inclusions - Aphid (Hemiptera, Sternorrhyncha, Aphidoidea)7.JPG) and this page: www.amber-inclusions.dk. Although not a requirement of the license, if you use this image in print or media other than the web, I would appreciate it if you let me know.