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Porphyric related distribution pattern




ID # 256

Porphyric related distribution pattern
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
Micromorphological description of slide: Open prophyric related distribution pattern

Data for the horizon
Horizon sampled: 802 (8221
Depth sampled: 63-125 cm
Mineralogical data: Kaolinite and quartz dominant; gibbsite, goethite, and magnetite present

Data for thin section
Preparation of sample: Air dry
Impregnating medium: Polyester
Thickness of section: 30 µm

Method
Data for 35-mm slide
Frame width: 2.1 mm
Light mode: Plane-polarized light

References
Onofre Cristo Brumano Pinto. 1971. Formation of kaolinite from a biotite-feldspar gneiss in four strongly weathered soil profiles from Minas Gerais, Brazil. M.S. Thesis, Agronomy Dept., Purdue Univ.
Source - D. P. Franzmeier

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

Peer Review: Yes

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

Latitude: -19.8690878
Longitude: -43.96638410000003

Author(s)/Creator(s)

  • * Soil Science Society of America
    SSSA

    membership@soils.org

Submitted By: (SSSA) Soil Science Society of America


Keywords

  • Related Distribution Patterns
  • 802 (8221 Horizon
  • micromorphology
  • Porphyric

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