Relations between elemental content in till, mineralogy of till and bedrock mineralogy in the province of Småland, southern Sweden

Cecilia Akselsson; Johan Holmqvist; Daniel Kurz; Harald Sverdrup

doi:10.1016/j.geoderma.2006.05.001

Relations between elemental content in till, mineralogy of till and bedrock mineralogy in the province of Småland, southern Sweden

Cecilia Akselsson^*, Johan Holmqvist, Daniel Kurz, Harald Sverdrup

^*Corresponding author for this work

Faculty of Industrial Engineering, Mechanical Engineering and Computer Science

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Information on soil mineralogy is essential for weathering rate calculations. Quantitative mineralogical analyses are expensive and time-consuming, and thus indirect methods of determining the mineralogical composition are important, for example estimating the composition based on the elemental content in till (total concentrations), or based on information about the underlying bedrock. The mineralogical composition and the elemental content in till were analysed in two areas in southern Sweden, at 10 sites in each area. There were significant differences between the areas regarding both elemental content and optically determined mineralogy. The content of calcium was significantly higher in one area, 5ESV, and there were tendencies in this direction also for magnesium and iron. The potassium content was significantly higher in the other area, 6FNV. The variation in soil chemistry between the areas can be explained by higher contents of the minerals biotite, hornblende and epidote in the first area (5ESV) and higher contents of K-feldspar in the second (6FNV). Normative mineralogy was determined based on the elemental content. A comparison between the normative mineralogy and the optically determined mineralogy showed great similarities which indicates that there is good potential for using elemental content for estimating the mineralogical composition. The difference in till composition between the areas could not be explained by the underlying bedrock, which indicates that the information available on the bedrock is not sufficient for estimation of the till mineralogical composition.

Original language	English
Pages (from-to)	643-659
Number of pages	17
Journal	Geoderma
Volume	136
Issue number	3-4
DOIs	https://doi.org/10.1016/j.geoderma.2006.05.001
Publication status	Published - 15 Dec 2006

Bibliographical note

Funding Information:
This study is the result of cooperation between two Swedish research programs, ASTA and SUFOR. The ASTA program (National and International Abatement Strategies for Transboundary Air Pollution) is an inter-disciplinary research program funded by MISTRA (The Foundation for Strategic Environmental Research), the Swedish Energy Agency The National Board of Forestry in Sweden and The Swedish Environmental Protection Agency. The SUFOR program (Sustainable Forestry in southern Sweden) is funded by MISTRA. We would like to thank Anders Jonshagen for performing the field work.

Other keywords

Bedrock
Elemental content
Mineralogy
Province of Småland
Sweden
Till

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10.1016/j.geoderma.2006.05.001

Cite this

@article{c0f9890e88e741d59999e01f14d9d8ac,

title = "Relations between elemental content in till, mineralogy of till and bedrock mineralogy in the province of Sm{\aa}land, southern Sweden",

abstract = "Information on soil mineralogy is essential for weathering rate calculations. Quantitative mineralogical analyses are expensive and time-consuming, and thus indirect methods of determining the mineralogical composition are important, for example estimating the composition based on the elemental content in till (total concentrations), or based on information about the underlying bedrock. The mineralogical composition and the elemental content in till were analysed in two areas in southern Sweden, at 10 sites in each area. There were significant differences between the areas regarding both elemental content and optically determined mineralogy. The content of calcium was significantly higher in one area, 5ESV, and there were tendencies in this direction also for magnesium and iron. The potassium content was significantly higher in the other area, 6FNV. The variation in soil chemistry between the areas can be explained by higher contents of the minerals biotite, hornblende and epidote in the first area (5ESV) and higher contents of K-feldspar in the second (6FNV). Normative mineralogy was determined based on the elemental content. A comparison between the normative mineralogy and the optically determined mineralogy showed great similarities which indicates that there is good potential for using elemental content for estimating the mineralogical composition. The difference in till composition between the areas could not be explained by the underlying bedrock, which indicates that the information available on the bedrock is not sufficient for estimation of the till mineralogical composition.",

keywords = "Bedrock, Elemental content, Mineralogy, Province of Sm{\aa}land, Sweden, Till",

author = "Cecilia Akselsson and Johan Holmqvist and Daniel Kurz and Harald Sverdrup",

note = "Funding Information: This study is the result of cooperation between two Swedish research programs, ASTA and SUFOR. The ASTA program (National and International Abatement Strategies for Transboundary Air Pollution) is an inter-disciplinary research program funded by MISTRA (The Foundation for Strategic Environmental Research), the Swedish Energy Agency The National Board of Forestry in Sweden and The Swedish Environmental Protection Agency. The SUFOR program (Sustainable Forestry in southern Sweden) is funded by MISTRA. We would like to thank Anders Jonshagen for performing the field work.",

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AU - Akselsson, Cecilia

AU - Holmqvist, Johan

AU - Kurz, Daniel

AU - Sverdrup, Harald

N1 - Funding Information: This study is the result of cooperation between two Swedish research programs, ASTA and SUFOR. The ASTA program (National and International Abatement Strategies for Transboundary Air Pollution) is an inter-disciplinary research program funded by MISTRA (The Foundation for Strategic Environmental Research), the Swedish Energy Agency The National Board of Forestry in Sweden and The Swedish Environmental Protection Agency. The SUFOR program (Sustainable Forestry in southern Sweden) is funded by MISTRA. We would like to thank Anders Jonshagen for performing the field work.

PY - 2006/12/15

Y1 - 2006/12/15

N2 - Information on soil mineralogy is essential for weathering rate calculations. Quantitative mineralogical analyses are expensive and time-consuming, and thus indirect methods of determining the mineralogical composition are important, for example estimating the composition based on the elemental content in till (total concentrations), or based on information about the underlying bedrock. The mineralogical composition and the elemental content in till were analysed in two areas in southern Sweden, at 10 sites in each area. There were significant differences between the areas regarding both elemental content and optically determined mineralogy. The content of calcium was significantly higher in one area, 5ESV, and there were tendencies in this direction also for magnesium and iron. The potassium content was significantly higher in the other area, 6FNV. The variation in soil chemistry between the areas can be explained by higher contents of the minerals biotite, hornblende and epidote in the first area (5ESV) and higher contents of K-feldspar in the second (6FNV). Normative mineralogy was determined based on the elemental content. A comparison between the normative mineralogy and the optically determined mineralogy showed great similarities which indicates that there is good potential for using elemental content for estimating the mineralogical composition. The difference in till composition between the areas could not be explained by the underlying bedrock, which indicates that the information available on the bedrock is not sufficient for estimation of the till mineralogical composition.

AB - Information on soil mineralogy is essential for weathering rate calculations. Quantitative mineralogical analyses are expensive and time-consuming, and thus indirect methods of determining the mineralogical composition are important, for example estimating the composition based on the elemental content in till (total concentrations), or based on information about the underlying bedrock. The mineralogical composition and the elemental content in till were analysed in two areas in southern Sweden, at 10 sites in each area. There were significant differences between the areas regarding both elemental content and optically determined mineralogy. The content of calcium was significantly higher in one area, 5ESV, and there were tendencies in this direction also for magnesium and iron. The potassium content was significantly higher in the other area, 6FNV. The variation in soil chemistry between the areas can be explained by higher contents of the minerals biotite, hornblende and epidote in the first area (5ESV) and higher contents of K-feldspar in the second (6FNV). Normative mineralogy was determined based on the elemental content. A comparison between the normative mineralogy and the optically determined mineralogy showed great similarities which indicates that there is good potential for using elemental content for estimating the mineralogical composition. The difference in till composition between the areas could not be explained by the underlying bedrock, which indicates that the information available on the bedrock is not sufficient for estimation of the till mineralogical composition.

KW - Bedrock

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JO - Geoderma

JF - Geoderma

IS - 3-4

ER -

Relations between elemental content in till, mineralogy of till and bedrock mineralogy in the province of Småland, southern Sweden

Abstract

Bibliographical note

Other keywords

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