Carl Caldenius (1887–1961), until 1920 known by the surname Carlzon, was a Swedish Quaternary geologist and geotechnical engineer. He is mostly known for his geochronological work in

Patagonia Patagonia () is a geographical region that includes parts of Argentina and Chile at the southern end of South America. The region includes the southern section of the Andes mountain chain with lakes, fjords, temperate rainforests, and glaciers ...

. Caldenius worked as geotechnical engineer for the Swedish State Railways until 1922 when he started to work full-time with his PhD thesis "Ragundasjöns stratigrafi och geokronologi" (Stratigraphy and geochronology of Lake Ragunda) that he defended in 1924. In 1925 he travelled to Argentina as part of a Swedish-Argentine collaboration to extend the clay varve chronology of

Gerard De Geer Baron Gerard Jacob De Geer (20 November 1858 – 24 July 1943) was a Swedish geologist who made significant contributions to Quaternary geology, particularly geomorphology and geochronology. De Geer is best known for his work on varves. In 1890 ...

to the Southern Hemisphere. After returning to Swedsen in 1930 he joined an expedition to Australia and New Zealand where he applied knowledge of varves to study the

Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ...

Karoo Ice Age.

References

{{DEFAULTSORT:Caldenius, Carl 1887 births 1961 deaths Quaternary geologists 20th-century Swedish geologists Geotechnical engineers Academic staff of Stockholm University

See also

References