The laminated lake sediments of the Eckfeld maar (Middle Eocene, Germany): Types of stratification and role of organic matter

摘要

The Middle Eocene lake sediments of the Eckfeld maar are situated on the southwestern margin of the Tertiary High-Eifel volcanic field (Germany) and are well known for excellently preserved fossil remains. During a driling campaign in 1996 six well sections were cored at three different locations. Three cores (E1/96, E2/96 and E3/96) penetrated deposition of the central lake facies, which is dominated by laminated organic-rich pelites within the uppermost 40 m.