Jornada Experimental Range NEON (JORN) 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

D14 JORN megapit soil profile 0-98 cm

soil profile

D14 JORN megapit soil profile 52-200 cm

soil profile

D14 JORN megapit soil profile 0-28 cm

soil profile

D14 JORN megapit soil profile 13-52 cm

soil profile

D14 JORN megapit soil profile 39-83 cm

soil profile

D14 JORN megapit soil profile 72-106 cm

soil profile

D14 JORN megapit soil profile 100-159 cm

soil profile

D14 JORN megapit soil profile 154-200 cm

Megapit Pedon Description

Print Date Jul 22 2015
Description Date Mar 5 2013
Describer Dave White
Site ID S2013NM0135000
Pedon ID S2013NM013001
Lab Source ID SSL
Lab Pedon # 13N8337
Soil Name as Described/Sampled Nations
Classification Coarse-loamy, mixed, superactive, thermic Typic Petrocalcids
Pedon Type undefined observation
Pedon Purpose research site
Taxon Kind series
Associated Soils Copia, Onite, Pintura, Wink
Physiographic Division Intermontane Plateaus
Physiographic Province Basin and Range Province
Physiographic Section Mexican Highland/td>
Local Physiographic Area Jornada Del Muerto
Geomorphic Setting on backslope of tread of fan remnant on fan piedmont
Upslope Shape linear
Cross Slope Shape concave
Particle Size Control Section 25 to 78 cm.
Description origin NASIS
Country United States
State New Mexico
County Doña Ana
MLRA 42 -- Southern Desertic Basins, Plains, and Mountains
Soil Survey Area NM690 -- Dona Ana County Area, New Mexico
8-LAS -- Las Cruces, New Mexico
Map Unit WP -- Wink-Pintura complex
Quad Name Summerford Mountain, New Mexico
Std Latitude 32.5905194
Std Longitude -106.8437722
Latitude 32 degrees 35 minutes 25.87 seconds north
Longitude 106 degrees 50 minutes 37.58 seconds west
Datum NAD83
UTM Zone 13
UTM Easting 326959 meters
UTM Northing 3607393 meters
Primary Earth Cover Grass/herbaceous cover
Secondary Earth Cover Grassland rangeland
Existing Vegetation alkali sacaton, black grama, desert zinnia, honey mesquite, longleaf jointfir, mesa dropseed, soaptree yucca
Parent Material sandy eolian deposits over alluvium
Surface Fragments 1.0 percent nonflat subrounded indurated 2- to 75-millimeter mixed rock fragments
Description database KSSL
Diagnostic Features ochric epipedon 0 to 18 cm.
cambic horizon 18 to 78 cm.
petrocalcic horizon 78 to 110 cm.
calcic horizon 78 to 200 cm.
Top Depth (cm) 78
Bottom Depth (cm) 110
Restriction Kind petrocalcic
Restriction Hardness indurated
Slope (%) 2.0
Elevation (meters) 1,327.0
Aspect (deg) 55
MAAT (C) 16.0
MAP (mm) 193
Frost-Free Days 210
Drainage Class moderately well
Slope Length (meters) 152
Horizon Details

A--0 to 18 centimeters (0.0 to 7.1 inches); brown (7.5YR 5/4) crushed sandy loam, brown (7.5YR 4/4) crushed, moist; 65 percent sand; 25 percent silt; 10 percent clay; weak thick platy parts to weak medium subangular blocky, and weak thick platy parts to moderate fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; low excavation difficulty; common very fine roots throughout and common medium roots throughout and many fine roots throughout; common very fine irregular and common very fine tubular pores; noneffervescent, by HCl, 1 normal; neutral, pH 7.1, pH meter; clear smooth boundary. Lab sample # 13N03593

Bw--18 to 46 centimeters (7.1 to 18.1 inches); strong brown (7.5YR 5/6) crushed sandy loam, strong brown (7.5YR 4/6) crushed, moist; 65 percent sand; 27 percent silt; 8 percent clay; weak medium subangular blocky parts to moderate fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; low excavation difficulty; common very fine roots throughout; common very fine irregular and common fine tubular pores; carbonate, finely disseminated throughout; slight effervescence, by HCl, 1 normal; slightly alkaline, pH 7.7, pH meter; gradual smooth boundary. Lab sample # 13N03594

2Bk--46 to 78 centimeters (18.1 to 30.7 inches); strong brown (7.5YR 5/6) crushed and strong brown (7.5YR 4/6) crushed sandy clay loam; 70 percent sand; 8 percent silt; 22 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; moderate excavation difficulty; common very fine roots throughout and few medium roots throughout; common very fine irregular and common very fine tubular pores; carbonate, finely disseminated throughout and 10 percent fine prominent threadlike 7.5YR 9.5/1), dry, carbonate masses with clear boundaries lining pores; 1 percent nonflat subrounded indurated 2 to 75-millimeter mixed rock fragments; strong effervescence, by HCl, 1 normal; slightly alkaline, pH 7.8, pH meter; abrupt smooth boundary. Lab sample # 13N03595

2Bkkm--78 to 110 centimeters (30.7 to 43.3 inches); white (7.5YR 9.5/1) broken face cemented material, pale pinkish white (7.5YR 9/2) broken face, moist; indurated by carbonates; very high excavation difficulty; common very fine roots in cracks and common medium roots in cracks; 90 percent prominent 7.5YR 9.5/1), dry, carbonate coats on rock fragments; carbonate, finely disseminated throughout and 70 percent extremely coarse prominent irregular indurated cemented 7.5YR 9.5/1), dry, carbonate nodules with sharp boundaries in matrix; 6 percent nonflat subrounded indurated 2 to 75-millimeter mixed rock fragments; violent effervescence, by HCl, 1 normal; moderately alkaline, pH 7.9, pH meter; clear smooth boundary. Lab sample # 13N03596

2Bkk1--110 to 173 centimeters (43.3 to 68.1 inches); white (7.5YR 9.5/1) broken face sandy loam, pale pinkish white (7.5YR 9/2) broken face, moist; 60 percent sand; 34 percent silt; 6 percent clay; moderate medium subangular blocky, and weak fine subangular blocky structure; extremely hard, very rigid, slightly sticky, nonplastic; high excavation difficulty; many very fine roots throughout and common medium roots throughout and many fine roots throughout and common coarse roots throughout; many very fine irregular pores; 90 percent prominent 7.5YR 9.5/1), dry, carbonate coats on rock fragments; 50 percent extremely coarse prominent irregular indurated cemented 7.5YR 9.5/1), dry, carbonate nodules with sharp boundaries in matrix; 2 percent nonflat subrounded indurated 2 to 75-millimeter mixed rock fragments; violent effervescence, by HCl, 1 normal; moderately alkaline, pH 7.9, pH meter; gradual smooth boundary. Lab sample # 13N03597

2Bkk2--173 to 200 centimeters (68.1 to 78.7 inches); white (7.5YR 9/1) broken face sandy loam, pale pinkish white (7.5YR 9/2) broken face, moist; 65 percent sand; 27 percent silt; 8 percent clay; moderate medium subangular blocky, and weak fine subangular blocky structure; extremely hard, very rigid, slightly sticky, nonplastic; high excavation difficulty; many very fine roots throughout and common fine roots throughout; many very fine irregular pores; 90 percent prominent carbonate coats on rock fragments; carbonate, finely disseminated throughout and 35 percent extremely coarse prominent irregular indurated cemented 7.5YR 9/1), dry, carbonate nodules with sharp boundaries in matrix; 1 percent nonflat subrounded indurated 2 to 75-millimeter mixed rock fragments; violent effervescence, by HCl, 1 normal; slightly alkaline, pH 7.7, pH meter. Lab sample # 13N03598

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.