Magnetic properties of sediments of the Red River: Effect of sorting on the source‐to‐sink pathway and its implications for environmental reconstruction

Magnetic properties of sediments of the Red River: Effect of sorting on the source‐to‐sink pathway and its implications for environmental reconstruction

We conducted a mineral magnetic study of river bank and subaqueous delta sediments from the Red River, in order to examine the role of sedimentary sorting on the variation of sedimentary magnetic properties from source to sink. The magnetic mineralogy mainly consists of magnetite and hematite. Bulk...

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Veröffentlicht in:Geochemistry, geophysics, geosystems : G3 geophysics, geosystems : G3, 2016-02, Vol.17 (2), p.270-281
Hauptverfasser: Nguyen, Thi Thu Hien, Zhang, Weiguo, Li, Zhen, Li, Jie, Ge, Can, Liu, Jinyan, Bai, Xuexin, Feng, Huan, Yu, Lizhong
Format: Artikel
Sprache:eng
Schlagworte:
Environmental changes
Freshwater
Geochemistry
hematite
Magnetic properties
Magnetic studies
Magnetism
magnetite
Marine
Marine environment
Mineralogy
Particle size
Red River
River banks
Rivers
Sediment sorting
Sediments
sorting
Water depth
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Zusammenfassung:We conducted a mineral magnetic study of river bank and subaqueous delta sediments from the Red River, in order to examine the role of sedimentary sorting on the variation of sedimentary magnetic properties from source to sink. The magnetic mineralogy mainly consists of magnetite and hematite. Bulk sediment particle‐size variations have a strong influence on magnetic properties, with the frequently used magnetic parameters χfd%, χARM, χARM/χ, and χARM/SIRM exhibiting positive correlations with the
ISSN:1525-2027
1525-2027
DOI:10.1002/2015GC006089