Ferruginous concretions around root channels in clay and fine sand deposits
Spherically layered ferruginous concretions formed in soils in Finland are described. The cementing iron-rich material is in an amorphic state and binds the loose detrital mineral grains of quartz, feldspars, amphiboles, etc. Electron microprobe analyses show that iron and manganese are present as c...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Geological Society of Finland
1975-12-01
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Series: | Bulletin of the Geological Society of Finland |
Online Access: | http://www.geologinenseura.fi/bulletin/Volume47/sgs_bt_047_pages_175_181.pdf |