D10 STER Megapit Soils Description

 

PEDON DESCRIPTION
Print Date: Jul 22 2015 Country:
Description Date: Apr 8 2013 State: Colorado
Describer: Andy Steinert County: Logan
Site ID: S2013CO075001 MLRA: 72 -- Central High Tableland
Site Note: Sterling NEON (National Ecological Observatory Network) pit Soil Survey Area: CO075 -- Logan County, Colorado
5-FTM -- Fort Morgan, Colorado
Pedon ID: S2013CO075001 Map Unit: 126 -- Weld loam, 1 to 3 percent slopes
Pedon Note: Quad Name: Buffalo Springs Ranch NE, Colorado
Lab Source ID: SSL Std Latitude: 40.4598333
Lab Pedon #: 13N39573 Std Longitude: -103.0300833
User Transect ID:  
Soil Name as Described/Sampled: Goshen  
Classification: Fine-silty, mixed, superactive, mesic Pachic Argiustolls Latitude: 40 degrees 27 minutes 35.40 seconds north
Soil Name as Correlated: Longitude: 103 degrees 1 minutes 48.30 seconds west
Classification: Datum: WGS84
Pedon Type: correlates to named soil UTM Zone: 13
Pedon Purpose: research site UTM Easting: 667024 meters
Taxon Kind: series UTM Northing: 4480661 meters
Associated Soils:
Physiographic Division: Interior Plains Primary Earth Cover: Crop cover
Physiographic Province: Great Plains Province Secondary Earth Cover: Close-grown crop
Physiographic Section: Colorado Piedmont Existing Vegetation:
State Physiographic Area: Parent Material: local alluvium
Local Physiographic Area: Bedrock Kind:
Geomorphic Setting: drainageway on upland Bedrock Depth:
Upslope Shape: linear Bedrock Hardness:
Cross Slope Shape: concave Bedrock Fracture Interval:
Particle Size Control Section: 28 to 78 cm. Surface Fragments:
Description origin: Pedon PC 5.1 Description database: KSSL
Diagnostic Features: mollic epipedon 0 to 70 cm.
argillic horizon 28 to 121 cm.
calcic horizon 70 to 121 cm.

 

 

 

Cont. Site ID: S2013CO075001 Pedon ID: S2013CO075001
 

 

Slope (%) Elevation (meters) Aspect (deg) MAAT (C) MSAT (C) MWAT (C) MAP (mm) Frost-Free Days Drainage Class Slope Length (meters) Upslope Length (meters)
2.0 1,369.0 0           well    

Ap1--0 to 11 centimeters (0.0 to 4.3 inches); dark grayish brown (10YR 4/2) broken face clay loam, very dark gray (10YR 3/1) broken face, moist; 35 percent sand; 37 percent silt; 28 percent clay; weak fine granular, and weak fine subangular blocky structure; soft, very friable, moderately sticky, slightly plastic; common very fine roots throughout and common fine roots throughout; noneffervescent, by HCl, 1 normal; neutral, pH 6.8, pH meter; clear smooth boundary. Lab sample # 13N04681

Ap2--11 to 28 centimeters (4.3 to 11.0 inches); dark grayish brown (10YR 4/2) broken face clay loam, very dark gray (10YR 3/1) broken face, moist; 32 percent sand; 35 percent silt; 33 percent clay; strong medium angular blocky, and strong coarse angular blocky structure; very hard, firm, moderately sticky, moderately plastic; common very fine roots throughout and common fine roots throughout; 15 percent distinct pressure faces on all faces of peds; noneffervescent, by HCl, 1 normal; neutral, pH 6.7, pH meter; clear smooth boundary. Lab sample # 13N04682

Bt--28 to 70 centimeters (11.0 to 27.6 inches); grayish brown (10YR 5/2) broken face silty clay loam, very dark grayish brown (10YR 3/2) broken face, moist; 15 percent sand; 51 percent silt; 34 percent clay; strong coarse prismatic parts to strong medium angular blocky, and strong medium prismatic parts to strong medium angular blocky structure; very hard, firm, very sticky, moderately plastic; common very fine roots throughout; 20 percent prominent clay films on all faces of peds; noneffervescent, by HCl, 1 normal; neutral, pH 6.9, pH meter; clear wavy boundary. Lab sample # 13N04683

Btk--70 to 121 centimeters (27.6 to 47.6 inches); light gray (10YR 7/2) broken face silty clay loam, brown (10YR 5/3) broken face, moist; 15 percent sand; 55 percent silt; 30 percent clay; strong coarse prismatic parts to moderate medium angular blocky, and strong medium prismatic parts to moderate medium angular blocky structure; very hard, friable, moderately sticky, moderately plastic; common very fine roots throughout; 5 percent distinct clay films on all faces of peds; carbonate, finely disseminated throughout and 1 percent fine irregular carbonate masses on faces of peds and 2 percent medium irregular carbonate masses on faces of peds; 18.0 Percent CaCO3 (Exists in NASIS Horizon); strong effervescence, by HCl, 1 normal; moderately alkaline, pH 8.1, pH meter; clear wavy boundary. Lab sample # 13N04684

C1--121 to 159 centimeters (47.6 to 62.6 inches); pale brown (10YR 6/3) broken face sandy loam, brown (10YR 4/3) broken face, moist; 70 percent sand; 20 percent silt; 10 percent clay; massive; soft, very friable, slightly sticky, nonplastic; common very fine roots throughout; carbonate, finely disseminated throughout; 2 percent nonflat subrounded 2 to 5-millimeter calcareous conglomerate fragments; 11.0 Percent CaCO3 (Exists in NASIS Horizon); strong effervescence, by HCl, 1 normal; moderately alkaline, pH 8.2, pH meter; gradual wavy boundary. Lab sample # 13N04685

C2--159 to 213 centimeters (62.6 to 83.9 inches); very pale brown (10YR 7/3) broken face loamy sand, brown (10YR 5/3) broken face, moist; 86 percent sand; 10 percent silt; 4 percent clay; massive; soft, very friable, nonsticky, nonplastic; carbonate, finely disseminated throughout; 7 percent nonflat subrounded 2 to 75-millimeter calcareous conglomerate fragments; 17.0 Percent CaCO3 (Exists in NASIS Horizon); strong effervescence, by HCl, 1 normal; moderately alkaline, pH 8.4, pH meter. Lab sample # 13N04686

 

 


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