LOCATION CONDIE UT+CO WYEstablished Series
TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive Xeric Glossocryalfs
TYPICAL PEDON: Condie gravelly loam--woodland, (Colors are for moist soil unless otherwise stated.) A discontinuous litter of decaying needles and twigs is from 0 to 2 inches thick.
A--0 to 8 inches; dark yellowish brown (10YR 3/4) gravelly loam, brown (7.5YR 5/4) dry; weak medium and coarse subangular blocky structure parting to moderate fine granular; slightly hard, friable, nonsticky and slightly plastic; common fine and few medium and coarse roots; common fine pores; 20 percent gravel; slightly acid (pH 6.4); clear wavy boundary. (4 to 9 inches thick).
E--8 to 25 inches; reddish brown (5YR 4/4) gravelly fine sandy loam, light brown (7.5YR 6/4) dry; moderate medium and coarse subangular blocky structure; soft, very friable, nonsticky and nonplastic; few fine medium and coarse roots; common fine pores; 20 percent gravel; slightly acid (pH 6.4); gradual wavy boundary. (15 to 35 inches thick)
E/B--25 to 32 inches; about 50 percent E horizon material as described in the E horizon above, and 50 percent Bt material as described in the Bt horizon following; gradual wavy boundary. (0 to 17 inches thick)
Bt--32 to 42 inches; dark red (2.5YR 3/6) very gravelly clay loam, red (2.5YR 4/6) dry; weak medium and coarse subangular blocky structure; very hard, firm, slightly sticky and plastic; few fine roots; common fine and very fine pores; common thin clay films; 35 percent gravel, 5 percent cobbles; slightly acid (pH 6.4); gradual wavy boundary. (10 to 43 inches thick)
C--42 to 66 inches; red (2.5YR 4/6) extremely gravelly loam, red (2.5YR 5/6) dry; massive; slightly hard, friable, slightly sticky and slightly plastic; few fine roots; 80 percent gravel; moderately calcareous; neutral (pH 7.2).
TYPE LOCATION: Morgan County, Utah, 10 1/2 miles north of Lost Creek Dam; 2,200 feet north and 800 feet west of the southeast corner of section 17, T. 7 N., R. 5 E.
RANGE IN CHARACTERISTICS: Depth to the upper boundary of the Bt horizon ranges from 25 to 39 inches. The combined thickness of the A, E and Bt horizons range from 42 to more than 60 inches. The mean annual soil temperature at a depth of 20 inches ranges from 41 to 46 degrees F. The mean summer soil temperature ranges from 54 to 59 degrees F. These soils are usually moist, but are dry for 45 to 55 days during the late summer. Rock fragments consist of rounded quartzite and sandstone gravel and cobbles.
The A horizon has hue of 10YR to 5YR, value of 4 to 6 dry, 2 or 3 moist, and chroma of 2 to 5 dry, and 2 to 4 moist. Moist chroma of less than 3.5 occurs only at depths of less than 9 inches. This horizon is gravelly loam, stony loam, or coarse sandy loam in the upper part and gravelly, stony or cobbly loam or coarse sandy loam in the lower part. It is slightly acid or neutral. Rock fragment content is 10 to 35 percent.
The E horizon has hue of 7.5YR to 2.5YR, value of 5 to 7 dry, 3 to 5 moist, and chroma of 2 to 6 dry and moist. It is gravelly, very gravelly or cobbly fine sandy loam to very gravelly, very cobbly or cobbly sandy loam or cobbly loam. This horizon tongues into the Bt horizon. Rock fragment content is 15 to 50 percent.
The Bt horizon has hue of 5YR to 10R, value of 3 to 6 dry, 3 or 4 moist and chroma of 4 to 8 dry, and 4 to 6 moist. It ranges from very gravelly or very cobbly clay loam to extremely gravelly, or extremely cobbly, sandy clay loam. This horizon has weak to moderate, fine to coarse subangular blocky structure. It has few to common, thin clay films. Reaction is medium acid to neutral acid. Rock fragment content is 35 to 70 percent.
The C horizon is very gravelly loam, or very gravelly sandy loam to extremely gravelly rock fragment content is 55 to 80 percent.
COMPETING SERIES: These are the Buffmeyer, Geiser(T), Jonda(T), Judkins, Mulgon, Namon, Scandard(T) and Wapshilla series. Buffmeyer soils have hue of 5Y to 7.5YR in the Bt horizon and have less than 18 percent clay in the Bt horizon. Geiser and Wapshilla soils lack an E horizon. Jonda soils have lime in the substratum. Judkins and Scandard soils are 20 to 40 inches deep over bedrock. Mulgon soils have sola 15 to 40 inches thick and the upper boundary of the Bt horizon is at 10 to 24 inches. Namon soils have a very cobbly very fine sandy loam to very cobbly sandy loam Bt horizon and are neutral to moderately alkaline.
GEOGRAPHIC SETTING: Condie soils are at elevations of 6,800 to 10,800 feet. They occur on mountain slopes. Slopes range from 2 to 60 percent. These soils formed in residuum and colluvium weathered from conglomerate of sandstone and quartzite. The climate is humid and the average annual precipitation ranges from 10 to 35 inches. The mean annual temperature is 34 to 43 degrees F. The freeze-free season ranges from 50 to 80 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Charcol, Cristo, Ercan, Geertsen, Lucky Star, Wallsburg and Yeljack soils. All these soils have a mollic epipedon. Also, Cristo, Geertsen and Wallsburg soils lack an E horizon. Ercan and Yeljack soils have less than 35 percent rock fragments in the particle-size control section.
DRAINAGE AND PERMEABILITY: Well drained; rapid runoff; moderate to moderately slow permeability.
USE AND VEGETATION: These soils are used for timber production, watershed, and wildlife habitat. Present native vegetation is Douglas fir, alpine fir, peavine, mountain bromegrass and meadowrue.
DISTRIBUTION AND EXTENT: These soils occur in northern Utah, Southern Wyoming and mountainous areas of central Colorado. They are moderately extensive.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Bozeman, Montana
SERIES ESTABLISHED: Morgan Area, Morgan County, Utah, 1974.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon - the zone from the surface of the soil to 8 inches. (A horizon)
Argillic horizon - the zone from 32 to 42 inches. (Bt horizon)
Xerollic feature - organic carbon content meets the requirements for Xerollic.