LOCATION ROSENDALE MOEstablished Series
TAXONOMIC CLASS: Fine, mixed, superactive, mesic Typic Eutrudepts
TYPICAL PEDON: Rosendale silty clay loam, on a north-facing slope of 16 percent, in a pasture. (Colors are for moist soil unless otherwise stated.)
A--0 to 20 centimeters; dark brown (10YR 3/3) silty clay loam, brown (10YR 4/3) dry; moderate very fine subangular blocky structure; friable; common fine roots; neutral; abrupt smooth boundary. (10 to 25 centimeters thick)
Bw1--20 to 33 centimeters; brown (10YR 4/3) silty clay loam; moderate very fine subangular blocky structure; firm; common very fine roots; neutral; clear smooth boundary.
Bw2--33 to 43 centimeters; brown (10YR 4/3) silty clay loam; moderate fine subangular blocky structure; firm; common fine roots; slightly acid; clear smooth boundary.
Bw3--43 to 56 centimeters; dark yellowish brown (10YR 4/4) silty clay loam; moderate fine subangular blocky structure; firm; few fine roots; moderately acid; clear smooth boundary.
Bw4--56 to 69 centimeters; brown (7.5YR 4/4) silty clay loam; moderate fine subangular blocky structure; firm; few fine roots; few fine prominent very dark brown stains; common medium faint dark yellowish brown (10YR 4/4) redoximorphic concentrations; slightly acid; clear smooth boundary.
Bw5--69 to 86 centimeters; light olive brown (2.5Y 5/4) silty clay loam; weak medium subangular blocky structure; firm; few fine roots; few fine very dark brown stains; few fine distinct yellowish brown (10YR 5/6) and many fine faint brown (10YR 4/3) redoximorphic concentrations; slightly effervescent; slightly alkaline; gradual smooth boundary.
BC--86 to 109 centimeters; light yellowish brown (2.5Y 6/4) silty clay; weak fine prismatic structure; firm; few fine roots; common fine faint light olive brown (2.5Y 5/4) redoximorphic concentrations and few fine distinct light brownish gray (2.5Y 6/2) redoximorphic depletions; slightly effervescent; slightly alkaline; clear smooth boundary. (Combined thickness of the Bw and BC horizons is 70 to 110 centimeters.)
C--109 to 140 centimeters; light olive brown (2.5Y 5/4) shaly silty clay; weak medium platy structure; firm; few fine roots; common fine distinct dark grayish brown (2.5Y 4/2) redoximorphic concentrations and few fine distinct gray (2.5Y 5/1) redoximorphic depletions and streaks; about 30 percent soft shale fragments; slightly effervescent; slightly alkaline; clear smooth boundary. (0 to 40 centimeters thick)
Cr--140 to 178 centimeters; light olive brown (2.5Y 5/4) soft shale; platy rock structure; very firm; slightly effervescent.
TYPE LOCATION: Major Land Resource Area (MLRA) 107B-Iowa and Missouri Deep Loess Hills; Andrew County, Missouri subset; about 3 miles northeast of Savannah; located about 2,670 feet south and 1,250 feet east of the northwest corner of section 25, T. 60 N., R. 35 W.; USGS Savannah topographic quadrangle; lat. 39 degrees 59 minutes 18 seconds N. and long. 94 degrees 46 minutes 47 seconds W., NAD 83.
RANGE IN CHARACTERISTICS:
Depth to paralithic contact--100 to 150 centimeters
Clay content of the particle-size control section (weighted average)--35 to 45 percent
Sand content of the particle-size control section (weighted average)--0 to 20 percent
A horizon:
Hue--10YR or 2.5Y
Value--2 or 3, moist; 4 or 5, dry
Chroma--2 or 3
Texture--silty clay loam, silt loam, or the flaggy or shaly analogues of these textures
Clay content--24 to 36 percent
Sand content--0 to 20 percent
Rock fragment content--0 to 25 percent
Reaction--moderately acid to neutral
Some pedons have AB horizon or BA horizons
Bw and BC horizon:
Hue--10YR or 2.5Y, upper part; 7.5YR to 5Y, lower part
Value--4 or 5, upper part; 4 to 6, lower part
Chroma--3 or 4, upper part; 2 to 8, lower part
Texture--silty clay loam or silty clay
Clay content--27 to 42 percent, upper part; 35 to 45 percent, lower part
Sand content--0 to 20 percent, upper part; 0 to 15 percent, lower part
Rock fragment content--0 to 15 percent
Reaction--strongly acid to moderately alkaline
C horizon:
Hue--10YR to 5Y
Value--3 to 6
Chroma--2 to 6
Texture--silty clay or shaly silty clay
Clay content--35 to 45 percent
Sand content--0 to 15 percent
Rock fragment content--0 to 35 percent
Reaction--neutral to moderately alkaline
Cr horizon:
Hue--10YR to 5Y
Value--3 to 6
Chroma--2 to 6
Texture--soft, platy shale
COMPETING SERIES: There are no other series in this family.
GEOGRAPHIC SETTING:
Parent material--residuum from shale with or without a thin mantle of loess or thin layer of interbedded limestone, calcareous shale is at depths between 100 and 150 centimeters
Landform--side slopes and ridges on dissected till plains
Slope--5 to 35 percent
Elevation--185 to 475 meters above sea level
Mean annual air temperature--8 to 13 degrees C
Mean annual precipitation--660 to 1,040 millimeters
Frost-free period--155 to 220 days
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Brussels,
Gara,
Judson, and
Knox soils.
Brussels--are on lower landscape positions on steep side slopes and have a mollic epipedon 25 to 60 centimeters thick and a rock fragment content of more than 35 percent in the particle-size control section
Gara--are on higher landscape positions on side slopes and have a sand content that averages 25 to 45 percent in the particle-size control section
Judson--are on lower landscape positions on foot slopes and have a mollic epipedon 80 to 150 centimeters thick
Knox--are on higher landscape positions on interfluves and side slopes and have a clay content that averages 25 to 35 percent in the particle-size control section
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--moderately well drained--a frequently saturated zone occurs between depths of 0.9 to 1.5 meters during the wettest periods of years when precipitation is within one standard deviation of the 30 year mean of annual precipitation, this saturated zone is considered perched
Saturated hydraulic conductivity--0.10 to 10.00 micrometers per second in the upper materials, 0.10 to 1.00 micrometers per second in the paralithic material
USE AND VEGETATION:
Most areas are used for pasture and hayland. The native vegetation is mixed hardwoods and native grasses.
DISTRIBUTION AND EXTENT:
Physiographic Division--Interior Plains
Physiographic Province--Central Lowland
Physiographic section--Dissected till plains
MLRAs--Iowa and Missouri Deep Loess Hills (107B) and Iowa and Missouri Heavy Till Plain (109
LRR M--northwestern Missouri
Extent--small
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Indianapolis, Indiana
SERIES ESTABLISHED: Andrew County, Missouri, 1986.
REMARKS:
Particle-size control section--the zone from a depth of 25 to 100 centimeters;
series control section--the zone from the surface to a depth of 150 centimeters.
Diagnostic horizons and features recognized in this series include:
ochric epipedon--the zone from the surface to a depth of 20 centimeters (A horizon);
cambic horizon--the zone from a depth of 20 centimeters to 109 centimeters; (Bw1, Bw2, Bw3, Bw4, Bw5 and BC horizons);
paralithic contact--the contact with shale at a depth of 140 centimeters (Cr horizon);
udic moisture regime.
Cation-exchange activity class is inferred from lab data from similar soils in the surrounding area.
Taxonomy version--Keys to Soil Taxonomy, tenth edition, 2006.