Browsing Faculty of Science & Technology (FST) by Author "Harkness, DD"
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EU/Th AND 14 C isotope dating of lake sediments from sacred lake and lake Nkunga, Kenya
Olago, DO; Street-Perrott, FA; Perrott, RA; Ivanovich, M; Harkness, DD (University of NairobiDepartment of Geology, 2001)In the tropical regions, lake and swamp sediment core chronologies have traditionally been established solely by radiocarbon dating. In several instances, however, the radiocarbon sampling resolution has been coarse, ... -
Late Quaternary glacial-interglacial cycle of climatic and environmental change on Mount Kenya, Kenya
Olago, DO; Street-Perrott, FA; Perrott, RA; Ivanovich, M; Harkness, DD (University of NairobiDepartment of Geology, 1999-10)Sediments from Sacred Lake and Lake Nkunga on the northeastern flank of Mount Kenya have a sequential palaeoclimatic and palæoenvironmental record covering most of the Late Quaternary period: from ca 115 to 0 ka. Most of ... -
Late Quaternary primary tephras in Sacred Lake sediments, northeast Mount Kenya, Kenya
Olago, DO; Street-Perrott, FA; Perrott, RA; Ivanovich, M; Harkness, DD (University of NairobiDepartment of Geology, 2000-05)In this paper, a sequence of five Late Quaternary tephras occurring as discrete, well-preserved horizons in lake sediments on the northeastern flank of Mount Kenya are characterised and their ages determined by a combination ...