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Origin and age of the Lake Nyos maar, Cameroon

โœ Scribed by John P. Lockwood; Meyer Rubin

Book ID
116131052
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
807 KB
Volume
39
Category
Article
ISSN
0377-0273

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The waters of Lake Nyos are impounded by a fragile natural dam composed of pyroclastic rocks ejected during the formation of the lake crater (maar). Lateral erosion of this dam has reduced its width from over 500 m to only 45 m. Published whole-rock K-Ar ages of about 100 ka on juvenile basalt from