Clay mineralogy of soils from upper north Thailand

Yoshinaga, Naganori; Matsue, Naoto; Virakornphanich, Prasop; Tantiseri, Banpote; Supa-Udomleark, Boonrawd

doi:10.1080/00380768.1995.10419591

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…Our clay mineral composition results are generally consistent with previous reports for each region (Goenadi and Tan, 1988;Matsue and Wada, 1989;Araki et al, 1990;Koch et al, 1992;Supriyo et al, 1992;Yoshinaga et al, 1995;Yoothong et al, 1997;Prasetyo et al, 2001;Kanket et al, 2002).…”

Section: Mineralogy Of the Silt And Clay Fractionssupporting

confidence: 94%

“…The distribution of clay minerals in upland soils of humid Asia, namely Japan, Thailand and Indonesia, has been described previously. In general, hydroxy-Al interlayered vermiculite (HIV), mica and kaolin minerals dominate in Japan (Matsue and Wada, 1989;Araki et al, 1990), while kaolinite, mica and smectite are dominant in Thailand (Yoshinaga et al, 1995;Yoothong et al, 1997;Kanket et al, 2002), and kaolinite, vermiculite and smectite are the primary clay minerals found in Indonesia (Goenadi and Tan, 1988;Koch et al, 1992;Supriyo et al, 1992;Prasetyo et al, 2001). However, each of the above regional reports fails to compare the formation of local clay minerals with formative processes in other regions.…”

Section: Introductionmentioning

confidence: 90%

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Clay mineralogy and its relationship to soil solution composition in soils from different weathering environments of humid Asia: Japan, Thailand and Indonesia

2006

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Section: Mineralogy Of the Silt And Clay Fractionssupporting

confidence: 94%

Section: Introductionmentioning

confidence: 90%

Clay mineralogy and its relationship to soil solution composition in soils from different weathering environments of humid Asia: Japan, Thailand and Indonesia

2006

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“…Essentially the same trend in clay mineralogy was also reported by Ohta et al . (1993) for soils in East Kalimantan and by Yoshinaga et al . (1995) for soils in northern Thailand.…”

Section: Resultsmentioning

confidence: 88%

Regional trends in the chemical and mineralogical properties of upland soils in humid Asia: With special reference to the WRB classification scheme

Funakawa

Watanabe

Kosaki

2008

Soil Science and Plant Nutrition

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Soils in humid Asia exhibit relatively incipient mineralogical characteristics because of the dominant steep slopes, crust movement and volcanic activity compared with many tropical soils on stable plains. In the present study, the relationship between the mineralogical and chemical properties of these soils was investigated with special reference to the World Reference Base (WRB) classification scheme. A total of 186 upland soil profiles were collected and the chemical and mineralogical properties of the B-horizon soils were analyzed for clay mineral composition, pH(H 2 O), exchangeable cations, cation exchange capacity (CEC), total C content, particle size distribution and sodium-dithionite-extractable oxides (Fed and Ald). The majority of the soils were acidic. The CEC/clay of the soils derived from sedimentary rocks (excluding limestone) or felsic parent materials showed a clear regional trend, which was usually higher than 24 cmol c kg -1 (corresponding to Alisols if the argic horizon is recognized) under the udic and perudic soil moisture regimes in Indonesia and Japan, whereas it was predominantly lower than 24 cmol c kg -1 (corresponding to Acrisols) under the ustic soil moisture regime in Thailand. In contrast, soils derived from mafic volcanic rocks or limestone were more variable in clay mineral composition, CEC/clay and pH, and were often high in Fed. This trend is in accordance with the clay mineral composition, in that mica and kaolin minerals dominated under the ustic soil moisture regime in Thailand, whereas significant amounts of 1.4 nm minerals formed under the udic and perudic soil moisture regimes in Japan and Indonesia. In conclusion, of the 186 soils studied, only nine and eight soils are classified into Luvisols (or Lixisols) and Cambisols (eutric), respectively, whereas the majority (169 samples) are classified as acid soils, such as Andosols, Podzols, Alisols, Acrisols and Cambisols (dystric). The WRB classification is generally consistent with regional trends in the chemical and mineralogical properties of the soils and successfully describes the distribution patterns of the acid soils in humid Asia using the criteria of CEC/clay = 24 cmol c kg -1 .

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Influence of Climatic Factor on Clay Mineralogy in Humid Asia: Significance of Vermiculitization of Mica Minerals Under a Udic Soil Moisture Regime

Funakawa

Watanabe

2017

Soils, Ecosystem Processes, and Agricultural Development

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Clay mineralogy of soils from upper north Thailand

Cited by 3 publications

References 4 publications

Clay mineralogy and its relationship to soil solution composition in soils from different weathering environments of humid Asia: Japan, Thailand and Indonesia

Clay mineralogy and its relationship to soil solution composition in soils from different weathering environments of humid Asia: Japan, Thailand and Indonesia

Regional trends in the chemical and mineralogical properties of upland soils in humid Asia: With special reference to the WRB classification scheme

Influence of Climatic Factor on Clay Mineralogy in Humid Asia: Significance of Vermiculitization of Mica Minerals Under a Udic Soil Moisture Regime

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