LOCATION GAGETOWN MIEstablished Series
TAXONOMIC CLASS: Coarse-silty, carbonatic, mesic Oxyaquic Hapludolls
TYPICAL PEDON: Gagetown silt loam - on a 3 percent convex south facing slope in a cultivated field.
Ap--0 to 9 inches; very dark grayish brown (10YR 3/2) silt loam; grayish brown (10YR 5/2) dry; weak very thick platy structure parting to weak medium subangular blocky; friable; many roots; slightly alkaline; clear wavy boundary. (7 to 12 inches thick)
Bw--9 to 12 inches; dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4) silt loam; common medium distinct yellowish brown (10YR 5/6) mottles; weak medium platy structure parting to weak very fine subangular blocky; friable; common roots; many faint dark brown (10YR 4/3) coatings on peds; some mixing of Ap material into upper 1 to 2 inches by earthworms; slightly alkaline; clear broken boundary. (2 to 6 inches thick)
C--12 to 60 inches; yellowish brown (10YR 5/4) stratified very fine sand and silt loam; common medium faint pale brown (10YR 6/3) and common medium distinct brownish yellow (10YR 6/6) mottles; weak thin platy fragments; very friable; few roots; strong effervescence; moderately alkaline.
TYPE LOCATION: Huron County, Michigan; about 1 mile south of Port Austin; 980 feet north and 210 feet east of the southwest corner of sec. 5, T. 18 N., R. 13 E.
RANGE IN CHARACTERISTICS: Solum thickness is 10 to 16 inches and depth to free carbonates ranges from 0 to 16 inches.
The Ap horizon has hue of 10YR, value of 2 or 3, and chroma of 1 or 2. It commonly is silt loam but the range includes fine sandy loam and very fine sandy loam. Reaction is neutral to moderately alkaline.
The Bw horizon has hue of 10YR or 2.5Y, value of 4 to 6, and chroma of 3 to 6. It is silt loam or very fine sandy loam. Reaction is slightly alkaline or moderately alkaline.
The C horizon has hue of 10YR or 2.5Y, value of 4 to 6, and chroma of 3 to 6. It commonly is stratified silt loam, fine sand and very fine sand, but some pedons have thin strata of clay loam or silty clay loam below a depth of 20 inches. Mottles with chroma of 2 or less and value of 4 or more occur in the C horizon of some pedons.
COMPETING SERIES: There are no competing series. Closely related is the Grogan series. The Grogan series is deeper to carbonates.
GEOGRAPHIC SETTING: The Gagetown soils are on lake plains. Slope gradients are commonly 0 to 6 percent, but range from 0 to 18 percent. The soils formed in calcareous stratified silts and fine and very fine sands. The mean annual precipitation ranges from 28 to 36 inches, and the mean annual temperature ranges from 44 to 48 degrees F.
GEOGRAPHICALLY ASSOCIATED SOILS: The Gagetown soils in most landscapes are near the Bach, Grindstone, Sanilac, and Shebeon soils. The Gagetown soil is part of the drainage sequence which includes the poorly and very poorly drained Bach and the somewhat poorly drained Sanilac soils. They have more silt and very fine sand and are more stratified than the Grindstone soils. The Gagetown soils have more silt and very fine sand, are more stratified, and do not have the gray sola of the Shebeon soils
DRAINAGE AND PERMEABILITY: Moderately well drained. Runoff is slow to medium. Permeability is moderate or moderately slow.
USE AND VEGETATION: Almost all of the Gagetown soils are cropped to corn, beans, small grain, and hay.
DISTRIBUTION AND EXTENT: Thumb area and central parts of the lower peninsula of Michigan. The soil is of small extent.
MLRA OFFICE RESPONSIBLE: Indianapolis, Indiana
SERIES ESTABLISHED: Tuscola County, Michigan, 1926.
REMARKS: Classification was adjusted to agree with ST Issue #17 on 6 Sept 94 by CLG. The Gagetown pedon was sampled and characterized as S75MI-63- 1, Sample Nos. 75L103-75L105. Diagnostic horizons and features recognized in this pedon are: mollic epipedon - the zone from the surface to 9 inches (Ap horizon); cambic horizon - the zone from 9 to 12 inches (Bw horizon); udic temperature regime.