Northern Great Plains Research Laboratory NEON (NOGP) Soil Descriptions

Pedon Descriptions

Pit‐level observations and field measurements reported using the standard NRCS format. They contain volume estimates for coarse fragments > 20 mm where applicable.

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Site Level Plot Summary

A narrative summary that places the sampled soil pedons in the broader context of soils and geomorphology for the entire NEON site.

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soil profile

D09 NOGP megapit soil profile 0-200 cm

soil profile

D09 NOGP megapit soil profile 0-35 cm

soil profile

D09 NOGP megapit soil profile 30-70 cm

soil profile

D09 NOGP megapit soil profile 63-101 cm

soil profile

D09 NOGP megapit soil profile 74-120 cm

soil profile

D09 NOGP megapit soil 98-148 cm

soil profile

D09 NOGP megapit soil profile 138-190 cm

soil profile

D09 NOGP megapit soil profile 155-200 cm

Megapit Pedon Description

Print Date Jul 22 2015
Description Date Jul 30 2013
Describer P. Sullivan, W. Bott
Site ID S2013ND059-001
Pedon ID S2013ND059001
Lab Source ID SSL
Lab Pedon # 13N96165
Soil Name as Described/Sampled Farnuf
Taxon Kind series
Geomorphic Setting on footslope of plains
on footslope of alluvial flat
Upslope Shape linear
Cross Slope Shape linear
Particle Size Control Section 31 to 84 cm.
Description origin Pedon PC 5.1
County Morton
MLRA 54 -- Rolling Soft Shale Plain
Soil Survey Area 5-DIC -- Dickinson, North Dakota
Std Latitude 46.7684600
Std Longitude -100.9183200
Parent Material alluvium
Description database KSSL
Diagnostic Features mollic epipedon 0 to 31 cm.
argillic horizon 31 to 84 cm.
calcic horizon 84 to 182 cm.
Slope (%) 2.0
Drainage Class well
Horizon Details

A1--0 to 4 centimeters (0.0 to 1.6 inches); very dark grayish brown (10YR 3/2) loam, very dark brown (10YR 2/2), moist; 18 percent clay; moderate fine granular structure; friable, slightly sticky, slightly plastic; many very fine roots throughout and common medium roots throughout and many fine roots throughout; noneffervescent, by HCl, 1 normal; clear wavy boundary. Lab sample # 13N08646

A2--4 to 11 centimeters (1.6 to 4.3 inches); very dark grayish brown (10YR 3/2) loam, very dark brown (10YR 2/2), moist; 18 percent clay; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; many very fine roots throughout; noneffervescent, by HCl, 1 normal; clear wavy boundary. Lab sample # 13N08647

A3--11 to 31 centimeters (4.3 to 12.2 inches); very dark grayish brown (10YR 3/2) loam, very dark brown (10YR 2/2), moist; 18 percent clay; weak coarse subangular blocky parts to weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; many very fine roots throughout and many fine roots throughout; noneffervescent, by HCl, 1 normal; clear wavy boundary. Lab sample # 13N08648

Bt1--31 to 46 centimeters (12.2 to 18.1 inches); brown (10YR 4/3) loam, dark grayish brown (10YR 4/2), moist; 25 percent clay; weak coarse prismatic parts to weak medium subangular blocky structure; friable, moderately sticky, slightly plastic; common very fine roots throughout and many fine roots throughout; 25 percent distinct 10YR 2/2) clay films on all faces of peds; noneffervescent, by HCl, 1 normal; gradual wavy boundary. Lab sample # 13N08649

Bt2--46 to 64 centimeters (18.1 to 25.2 inches); brown (10YR 4/3) loam, dark grayish brown (10YR 4/2), moist; 26 percent clay; moderate coarse prismatic parts to weak medium subangular blocky structure; friable, moderately sticky, slightly plastic; common very fine roots throughout and many fine roots throughout; 25 percent 10YR 3/3) clay films on all faces of peds; noneffervescent, by HCl, 1 normal; clear wavy boundary. Lab sample # 13N08650

Bt3--64 to 84 centimeters (25.2 to 33.1 inches); brown (10YR 4/3) clay loam, brown (10YR 4/3), moist; 29 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; firm, moderately sticky, slightly plastic; common fine roots throughout; 25 percent 10YR 3/3) clay films on all faces of peds; 1 percent 5 to 75-millimeter mixed rock fragments and 2 percent 2 to 5-millimeter mixed rock fragments; noneffervescent, by HCl, 1 normal; clear wavy boundary. Lab sample # 13N08651

Btk1--84 to 112 centimeters (33.1 to 44.1 inches); clay loam, dark grayish brown (10YR 4/2), moist; 29 percent clay; weak coarse prismatic parts to weak medium subangular blocky structure; friable, moderately sticky, slightly plastic; common very fine roots throughout; carbonate, finely disseminated and 20 percent medium prominent 10YR 8/2) carbonate masses in matrix; 1 percent 5 to 75-millimeter mixed rock fragments and 2 percent 2 to 5-millimeter mixed rock fragments; violent effervescence, by HCl, 1 normal; gradual wavy boundary. Lab sample # 13N08652

Btk2--112 to 145 centimeters (44.1 to 57.1 inches); clay loam, brown (10YR 4/3), moist; 28 percent clay; 1 percent fine distinct (7.5YR 4/6) mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; friable, moderately sticky, slightly plastic; common very fine roots throughout; 15 percent distinct 10YR 3/3) clay films on all faces of peds; carbonate, finely disseminated in matrix and 15 percent coarse prominent 10YR 8/2) carbonate masses in matrix; 1 percent 5 to 75-millimeter mixed rock fragments and 2 percent 2 to 5-millimeter mixed rock fragments; violent effervescence, by HCl, 1 normal; gradual wavy boundary. Lab sample # 13N08653

Bk--145 to 182 centimeters (57.1 to 71.7 inches); loam, olive brown (2.5Y 4/3), moist; 26 percent clay; 5 percent coarse prominent (7.5YR 4/6) mottles; weak coarse subangular blocky parts to weak medium subangular blocky structure; friable, moderately sticky, slightly plastic; common very fine roots throughout; 10 percent coarse prominent 10YR 8/2) carbonate masses in matrix; 1 percent 5 to 75-millimeter mixed rock fragments and 2 percent 2 to 5-millimeter mixed rock fragments; strong effervescence, by HCl, 1 normal; gradual wavy boundary. Lab sample # 13N08654

C--182 to 200 centimeters (71.7 to 78.7 inches); loam, olive brown (2.5Y 4/3), moist; 24 percent clay; 2 percent medium prominent (7.5YR 4/6) mottles; massive; friable, moderately sticky, slightly plastic; common very fine roots throughout; 1 percent 5 to 75-millimeter mixed rock fragments and 2 percent 2 to 5-millimeter mixed rock fragments; strong effervescence, by HCl, 1 normal. Lab sample # 13N08655

Credits: This megapit soil pedon description was generously created by USDA Natural Resource Conservation Service staff, with particular thanks to Larry West, Jon Hempel, and numerous field staff.