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Basic geotechnical properties, chemistry and mineralogy of some laterite soils from S.W. Nigeria

Olufemi, Ogunsanwo

Abstract Laterite soils derived from four basement complex rocks and a sedimentary formation from Southwestern Nigeria are analysed for their basic geotechnical properties, chemistry and mineralogy. Results obtained show that the granite gneiss derived and the sedimentary laterite soils are good engineering materials. The amphibolite derived laterite soil has a linear shrinkage of 10% and contains SO42− ions. The quartz schist derived and the micaschist derived laterite soils contain rather high amounts of muscovite −30% and 25% respectively. The usability of the laterite soils and the implications of the presence of SO42− ions and mica and the high linear shrinkage are discussed.

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Basic geotechnical properties, chemistry and mineralogy of some laterite soils from S.W. Nigeria

Olufemi, Ogunsanwo

Abstract Laterite soils derived from four basement complex rocks and a sedimentary formation from Southwestern Nigeria are analysed for their basic geotechnical properties, chemistry and mineralogy. Results obtained show that the granite gneiss derived and the sedimentary laterite soils are good engineering materials. The amphibolite derived laterite soil has a linear shrinkage of 10% and contains SO42− ions. The quartz schist derived and the micaschist derived laterite soils contain rather high amounts of muscovite −30% and 25% respectively. The usability of the laterite soils and the implications of the presence of SO42− ions and mica and the high linear shrinkage are discussed.

Basic geotechnical properties, chemistry and mineralogy of some laterite soils from S.W. Nigeria

Olufemi, Ogunsanwo

Abstract Laterite soils derived from four basement complex rocks and a sedimentary formation from Southwestern Nigeria are analysed for their basic geotechnical properties, chemistry and mineralogy. Results obtained show that the granite gneiss derived and the sedimentary laterite soils are good engineering materials. The amphibolite derived laterite soil has a linear shrinkage of 10% and contains SO42− ions. The quartz schist derived and the micaschist derived laterite soils contain rather high amounts of muscovite −30% and 25% respectively. The usability of the laterite soils and the implications of the presence of SO42− ions and mica and the high linear shrinkage are discussed.

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Title:

Basic geotechnical properties, chemistry and mineralogy of some laterite soils from S.W. Nigeria

Contributors:

Olufemi, Ogunsanwo (author)

Published in:

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur ; 37

Publication date:

1988

ISSN:

DOI:

https://doi.org/10.1007/BF02590379

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Linear Shrinkage , Nigeria , Sillimanite , Granite Gneiss , Laterite Soil

Classification:

BKL: 38.58 Geomechanik / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 050/6545

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