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Channel ferriargillan: hypo- and quasi-ferrans




ID # 197

Channel ferriargillan: hypo- and quasi-ferrans
From the Soil Micromorphology Slide Collection

STEM Standard addressed: ESS2E - Biogeology


Appropriate Grade Level(s)
  • College-level
Materials are best used for
  • Classroom Lectures
  • Laboratory Activities
General Course Areas
  • Soil Microbiology
Description
Data for the horizon
Horizon sampled: B3
Depth sampled: 140-148 cm
Physical and chemical data available: See reference
Macromorphological description of horizon: 2.5 YR 4/8 (moist) clay; original rock structure.
Micromorphological description of horizon: Porphyroskelic related distribution pattern; argillasepic plasmic fabric; lath-shaped voids, vughs, and planes; many ferrimangans, ferriargillans, ferran-matrans, many ferran-ferriargillan-matrans; many ferric nodules; many kaolinitic crystallaria.

Data for thin section
Preparation of sample: Air dry
Impregnating medium: Polyester resin
Orientation of section: Vertical

Soil Classification
U.S.: Humult
F.A.O.: Krasnozem (USSR system)

Elevation: 1 50 m
Physiographic position: Black Sea marine terrace system Topography and hill slope position: Greater than 1 5% slope
Parent material: Weathered basalt
Soil climatic data and/or soil water balance: Mean annual temperature 14.4 0 C, mean annual precipitation 2500 mm
Vegetation: Cultivated tea

Method
Data for 35-mm slide
Frame length: 1 .2 mm
Light mode: Cross polarized

References
Mermut, A. R. 1 983. Micromorphogenesis of two Humults (Krasnozems). Soil Sci. 136: 1 78-1 89. Source - A. R. Mermut

Slide CT9. Soil Science Society of America, 1993. A Reference Slide Collection for Soil Micromorphology. SSSA, Madison, WI.

Peer Review: Yes

Credit this item to: SSSA
Media Date: 1993-01-01
Provided By: (SSSA) Soil Science Society of America

Latitude: 41.252499
Longitude: 41.35552800000005

Author(s)/Creator(s)

  • * Soil Science Society of America
    SSSA

Submitted By: (SSSA) Soil Science Society of America


Keywords

  • Coatings
  • B3 Horizon
  • micromorphology
  • Ferrianrgillan

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