… (1) the observation that the isotopic composition of coals and related materials … Eocene
time", and, (2) our measurement of the isotopic composition of leaf material (–27.5%) organically …

… The Middle Eocene oil shale deposits of Messel are famous for … The isotopic compositions
(O, C, Sr, Nd) were analysed from … oil shale deposit, however, is not of volcanic origin and is, at …

… indicate that the Eocene maar lake received organic matter from … and allochthonous OM
sources over the lake's history and (3) to … The stable carbon isotopic composition of the bulk …

… mature black lacustrine Messel oil shale (Eocene, Germany) … from Messel oil shale (Fig. 2)
and their structure dete~ination … 1987) Isotopic compositions and probable origins of organic …

… for biomarker and stable isotope composition. Bulk … were expected to extent our knowledge
about the evolution of the … shale sequences (eg, Messel) and coal seams (eg, Geiseltal area). …

… organic matter in lacustrine source rocks from the Jianghan Basin, eastern China, was studied
for distributions and stable carbon isotopic compositions … information on the origin of the n-…

… isotopic compositions of fossil materials from Lake Messel (… to mixed terrestrial and aquatic
origins for primary producers in … Inter estingly, the Messel shale was deposited at the thermal …

… been the Messel oil shale, … in isotopic composition from organic facies C to D is probably
related to a tectonic induced reorganization of the lake hydrology (see controls on lake evolution…

… allows an insight into the climate history of the Earth. Many … early middle Eocene oil shale
of Lake Messel range between … leaves of the middle Eocene oil shale of the Messel Pit (Germa…

… carbon isotopic compositions of solvent-extractable lipid biomarkers isolated from the Eocene
Messel shale, Germany (Freeman et al., 1990). To date, however, molecular-level isotopic …