W. Smykatz-Kloss, P. Felix-Henningsen (auth.), Werner Smykatz-Kloss, Peter Felix-Henningsen (eds.)3540403450, 9783540403456
The twelve contributions in this volume represent the results of a ten year interdisciplinary workshop on “desert margins” – concerned with the geomorphological, geochemica, mineralogical, sedimentological, soil scientific characterisation of (semi-) deserts in Spain, Africa, Arabia and China. Desert sediments and soils as well as processes and characteristics of their formation are regarded from different geoscientific perspectives. The subjects of research include the development of desert soils and landscapes, the formation of (alluvial) loess, swamp ores, fulgurites and floodout sediments and focus on the reconstruction of palaeoecological events and changes. A critical study of dating methods rounds off the book.
Table of contents :
The Importance of Desert Margins as Indicators for Global Climatic Fluctuations (Introduction)….Pages 1-3
The chemistry of playa-lake-sediments as a tool for the reconstruction of Holocene environmental conditions – a case study from the central Ebro basin….Pages 5-30
Environmental changes in the Central Sahara during the Holocene – The Mid-Holocene transition from freshwater lake into sebkha in the Segedim depression, NE Niger….Pages 31-45
Genesis and Paleo-ecological Interpretation of Swamp Ore Deposits at Sahara Paleo-lakes of East Niger….Pages 47-72
Fulgurites as palaeoclimatic indicators – the proof of fulgurite fragments in sand samples….Pages 73-78
Alluvial loess in the Central Sinai: Occurrence, origin, and palaeoclimatological consideration….Pages 79-99
The reconstruction of palaeoclimatological changes from mineralogical and geochemical compositions of loess and alluvial loess profiles….Pages 101-118
Geochemical implications for changing dust supply by the Indian Monsoon system to the Arabian Sea during the last glacial cycle….Pages 119-135
Little Ice Age climatic fluctuations in the Namib Desert, Namibia, and adjacent areas: Evidence of exceptionally large floods from slack water deposits and desert soil sequences….Pages 137-165
Palaeoenvironmental Transitions Between 22 ka and 8 ka in Monsoonally Influenced Namibia….Pages 167-194
Aeolian sedimentation in arid and semi-arid environments of Western Mongolia….Pages 195-218
Ostracod ecology of alluvial loess deposits in an eastern Tian Shan palaeo-lake (NW China)….Pages 219-231
Critical comments on the interpretation and publication of 14 C, TL/OSL and 230 Th/U dates and on the problem of teleconnections between global climatic processes….Pages 233-242
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