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ID # 194
Ferriargillans in a heavy clay soilFrom the Soil Micromorphology Slide Collection
STEM Standard addressed: ESS2E - Biogeology
Appropriate Grade Level(s)
- College-level
- Classroom Lectures
- Laboratory Activities
- Soil Microbiology
Data for the horizon
Horizon sampled: BC
Depth sampled: 60-92 cm
Physical and chemical data available: See reference
Macromorphological description of horizon: 10 YR 6/2 (dry), 1 0 YR 3.5/2.5 (moist) clay; weak to moderate coarse subangular blocky structure.
Micromorphological description of horizon: Porphyroskelic related distribution pattern.
Predominantly unistrial plasmic fabric. Planar Voids and vughs dominant. Few ferriargillans that are difficult to distinguish from unistrial orientation. Few neosesquans.
Soil Classification
U.S.: Boron
Canada: Gray Luvisol
Physiographic position: Plain
Parent material: Lacustrine clay
Vegetation: Northern boreal forest
Horizon sampled: BC
Depth sampled: 60-92 cm
Physical and chemical data available: See reference
Macromorphological description of horizon: 10 YR 6/2 (dry), 1 0 YR 3.5/2.5 (moist) clay; weak to moderate coarse subangular blocky structure.
Micromorphological description of horizon: Porphyroskelic related distribution pattern.
Predominantly unistrial plasmic fabric. Planar Voids and vughs dominant. Few ferriargillans that are difficult to distinguish from unistrial orientation. Few neosesquans.
Soil Classification
U.S.: Boron
Canada: Gray Luvisol
Physiographic position: Plain
Parent material: Lacustrine clay
Vegetation: Northern boreal forest
Method
Data for 35-mm slide
Frame length: 0.5 mm
Light mode: Scanning electron micrograph
Note: Very thin layers within the cutan.
Frame length: 0.5 mm
Light mode: Scanning electron micrograph
Note: Very thin layers within the cutan.
References
Dasog, G. S. , A. R. Mermut, D. F. Acton. 1 987. Micromorphology and submicroscopy of illuviated mineral particles in boreal clay soils of Saskatchewan, Canada. Geoderma 40: 1 93-208. Source - A. R. Mermut.
Slide CT7. Soil Science Society of America, 1993. A Reference Slide Collection for Soil Micromorphology. SSSA, Madison, WI.
Slide CT7. Soil Science Society of America, 1993. A Reference Slide Collection for Soil Micromorphology. SSSA, Madison, WI.
Peer Review: Yes
Credit this item to: SSSAMedia Date: 1993-01-01
Provided By: (SSSA) Soil Science Society of America
Latitude: 55.10648699999999
Longitude: -105.27561589999999
Author(s)/Creator(s)
-
* Soil Science Society of America
SSSA
Submitted By: (SSSA) Soil Science Society of America
Keywords
- Coatings
- BC horizon
- micromorphology
- Ferrianrgillans
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