The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
Paleoclimatic Significance of the Mineral Magnetic Record of the Chinese Loess and Paleosols
Abstract
The origins of the magnetic susceptibility variations of the Chinese loess and paleosols are explored by scanning and transmission electron microscopy of magnetic extracts, and by magnetic modeling of magnetic hysteresis data, to provide quantified estimates of the major magnetic components. Microscopy identifies several distinct size and shape characteristics in the magnetic carriers. Lithogenic magnetites, intact and abraded, dominate the coarse-grained magnetic fraction. The smallest of the coarse grains is ∼ 2 μm. The remaining magnetic materal is ultrafine in size, with two types of magnetite particles present. Type A particles strongly resemble soil magnetites produced by inorganic precipitation. Type B particles, which occur rarely, are probably bacterial in origin. Quantitative modeling of these magnetic assemblages shows that over 90% of the susceptibility variations is accounted for by the superparamagnetic magnetite component. Compared to the loess units, the paleosols are richer in magnetite, particularly of superparamagnetic size, and have a threefold higher ratio of magnetite to hematite. We identify pedogenic formation of magnetite as the major contributor to the loess magnetic record. Matching this record against other paleoclimatic records, we find an extremely high correlation with the standard 18 O record. The Chinese loess sequences record a very high resolution magnetic stratigraphy directly related to changing climate.
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Cites
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Self-citationAnaerobic production of magnetite by a dissimilatory iron-reducing microorganism
Lovley, D. R., Stolz, J. F., Nord, G. L., & Phillips, E. J. P. (1987) · Nature · doi:10.1038/330252a0 · Cited by 989
Partly pedogenic origin of magnetic variations in Chinese loess
Zhou, L., Oldfield, F., WINTLE, A. G., Robinson, S. G., & Wang, J. T. (1990) · Nature · doi:10.1038/346737a0 · Cited by 770
Formation of ultrafine-grained magnetite in soils
Maher, B. A., & Taylor, R. M. (1988) · Nature · doi:10.1038/336368a0 · Cited by 623
Self-citationMagnetostratigraphical dating of loess deposits in China
Heller, F., & Tung-sheng, L. (1982) · Nature · doi:10.1038/300431a0 · Cited by 581
Loess stratigraphy in central China
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Magnetism of Chinese loess deposits
Heller, F., & Tungsheng, L. (1984) · Geophysical Journal International · doi:10.1111/j.1365-246x.1984.tb01928.x · Cited by 524
Occurrence of magnetic bacteria in soil
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Fossil bacterial magnetite in deep-sea sediments from the South Atlantic Ocean
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Cited by
(2019) · Cambridge University Press eBooks · Cited by 125
Terrestrial selenium distribution in China is potentially linked to monsoonal climate
Blazina, T., Sun, Y., Voegelin, A., Lenz, M., Berg, M., & Winkel, L. H. E. (2014) · Nature Communications · doi:10.1038/ncomms5717 · Cited by 124
Metadata
- Authors
- Maher, B. A., & Thompson, R.
- Venue
- Quaternary Research
- Publisher
- Cambridge University Press (CUP)
- Published
- 1992-03
- Volume
- 37
- Issue
- 2
- Pages
- 155-170
- ISSN
- 0033-5894 (ISSN-L)
- 1096-0287
- OpenAlex
- W2037933879
- Cited by
- 326
- References
- 17
- FWCI
- 4.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Maher, B. A., & Thompson, R. (1992). Paleoclimatic Significance of the Mineral Magnetic Record of the Chinese Loess and Paleosols. Quaternary Research. https://doi.org/10.1016/0033-5894(92)90079-x
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