From the Soil Micromorphology Slide Collection

Data for the horizon
Horizon sampled: Bg Depth sampled: 64-79 cm
Macromorphological description of horizon: 10 YR 5/1 (moist) silty clay loam; moderate smooth prismatic structure.
Micromorphological description of horizon: See reference

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

Soil Classification
U.S.: Typic Sulfaquept
F.A.O.: Thionic Fluvisol

Elevation: 5.5 m below sea level
Physiographic position: Low creek ridge transitional to basin of tidal flat deposits Topography and hill slope position: Flat
Parent material: Holocene sub-boreal tidal flat deposits
Soil climatic data and/or soil water balance: Mean annual temperature 9°C; mean annual precipitation 765 mm; soil is imperfectly drained and the ground water fluctuates between 40 and 120 cm below the soil surface.
Vegetation: At time of sedimentation: brackish reed marshes. At present: grassland

Data for 35-mm slide
Frame length: 0.9 mm
Light mode: Cross polarized

Miedema, R., A. G. Jongmans, and S. Slager. 1974. Micromorphological observations on pyrite and its oxidation products in four Holocene alluvial soils in the Netherlands. p.772-795. ln G. K. Rutherford (ed.) Soil Micromorphology, Limestone Press, Kingston, Ontario, Canada.
Source - R. Miedema

Slide CT44. Soil Science Society of America, 1993. A Reference Slide Collection for Soil Micromorphology. SSSA, Madison, WI.