Phosphogenesis

Last updated on March 31, 2021

The generation of phosphate-rich minerals and sediments. The preservation of microbes in apatite and their role in its nucleation and growth.

Kaarel Mänd
Kaarel Mänd
Research Fellow at the University of Tartu

My research focuses on investigating Precambrian redox conditions using trace metal based redox proxies.

Publications

Constraining the conditions of phosphogenesis: Stable isotope and trace element systematics of Recent Namibian phosphatic sediments
Modern phosphogenesis occurs on continental margins influenced by upwelling and high primary productivity. The formation of phosphatic …
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Constraining the conditions of phosphogenesis: Stable isotope and trace element systematics of Recent Namibian phosphatic sediments
REE+Y uptake and diagenesis in recent sedimentary apatites
Rare Earth Elements and Yttrium (REE+Y) distribution in authigenic phases are frequently used as proxies for reconstructing past …
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REE+Y uptake and diagenesis in recent sedimentary apatites
Authigenesis of biomorphic apatite particles from Benguela Upwelling Zone sediments off Namibia: The role of organic matter in sedimentary apatite nucleation and growth
Sedimentary phosphorites comprise a major phosphorus (P) ore, yet their formation remains poorly understood. Extant …
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Authigenesis of biomorphic apatite particles from Benguela Upwelling Zone sediments off Namibia: The role of organic matter in sedimentary apatite nucleation and growth
Microfossils in the world's oldest phosphorites
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Microfossils in the world's oldest phosphorites
Potential influence of sulphur bacteria on Palaeoproterozoic phosphogenesis
All known forms of life require phosphorus, and biological processes strongly influence the global phosphorus cycle1. Although the …
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Potential influence of sulphur bacteria on Palaeoproterozoic phosphogenesis