ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The Chilga fluvio-lacustrine, lignite-bearing sedimentary sequence occurs within a graben, 60 km south-west of Gondar and -100km north-west of Lake Tana, at altitudes between 1,900 and 2,000 m (Fig. 1). The graben is part of a large defunct Eocene rift, which ceased activity 25-20 Myr ago as ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/318653a0
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