D14 SRER Megapit Soils Description

 

PEDON DESCRIPTION
Print Date: Apr 8 2015 Country:
Description Date: Nov 6 2013 State: Arizona
Describer: Svetlik and McGuire County: Pima
Site ID: S2013AZ0193000 MLRA: 40 -- Sonoran Basin and Range
Site Note: Soil Survey Area: AZ667 -- Santa Cruz and Parts of Cochise and Pima Counties, Arizona
Pedon ID: S2013AZ0193000 Map Unit:
Pedon Note: Quad Name:
Lab Source ID: KSSL Std Latitude: 31.9086667
Lab Pedon #: 14N0143 Std Longitude: -110.8377778
User Transect ID:  
Soil Name as Described/Sampled: Rillino  
Classification: Coarse-loamy, mixed, superactive, thermic Typic Haplocalcids Latitude: 31 degrees 54 minutes 31.20 seconds north
Soil Name as Correlated: anthony Longitude: 110 degrees 50 minutes 16.00 seconds west
Classification: Coarse-loamy, mixed, calcareous, thermic Typic Torrifluvents Datum: WGS84
Pedon Type: TUD pedon UTM Zone:
Pedon Purpose: research site UTM Easting:
Taxon Kind: series UTM Northing:
Associated Soils:
Physiographic Division: Primary Earth Cover: Shrub cover
Physiographic Province: Secondary Earth Cover: Shrubby rangeland
Physiographic Section: Existing Vegetation: Arizona pencil cholla, barrel cactus, bush muhly, creosote bush, pricklypear, saguaro
State Physiographic Area: Parent Material: mixed alluvium
Local Physiographic Area: Bedrock Kind:
Geomorphic Setting: on tread of None Assigned Bedrock Depth:
Upslope Shape: linear Bedrock Hardness:
Cross Slope Shape: linear Bedrock Fracture Interval:
Particle Size Control Section: 25 to 100 cm. Surface Fragments: 5.0 percent nonflat subrounded indurated 2- to 75-millimeter
Description origin: NASIS Description database: KSSL
Diagnostic Features: ochric epipedon 0 to 5 cm.
cambic horizon 5 to 41 cm.
calcic horizon 41 to 203 cm.

 

 

 

Cont. Site ID: S2013AZ0193000 Pedon ID: S2013AZ0193000
 

 

Slope (%) Elevation (meters) Aspect (deg) MAAT (C) MSAT (C) MWAT (C) MAP (mm) Frost-Free Days Drainage Class Slope Length (meters) Upslope Length (meters)
2.0 996.0 270 19.4     280 250 well    

A--0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 5/4) sandy loam, brown (7.5YR 4/4), moist; 75 percent sand; 18 percent silt; 7 percent clay; moderate medium platy, and moderate thick platy structure; soft, very friable, nonsticky, nonplastic; low excavation difficulty; few very fine roots; common very fine tubular and common fine vesicular pores; 7.0 percent calcium carbonate equivalent; violent effervescence, by HCl, 1 normal; slightly alkaline, pH 7.8, pH indicator solutions; abrupt smooth boundary. Lab sample # 14N00454

Bw--5 to 41 centimeters (2.0 to 16.1 inches); brown (7.5YR 5/4) sandy loam, brown (7.5YR 4/3), moist; 80 percent sand; 8 percent silt; 12 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; common very fine roots and common fine roots; many very fine tubular and many very fine interstitial pores; carbonate, finely disseminated; 2 percent nonflat subrounded indurated 2 to 75-millimeter unspecified fragments; 16.0 percent calcium carbonate equivalent; violent effervescence, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 14N00455

Bk1--41 to 79 centimeters (16.1 to 31.1 inches); light brown (7.5YR 6/3) sandy loam, brown (7.5YR 4/3), moist; 80 percent sand; 8 percent silt; 12 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; many very fine roots; many very fine tubular pores; 30 percent distinct carbonate coats on rock fragments; 2 percent very fine distinct carbonate masses; 10 percent nonflat subrounded indurated 2 to 75-millimeter unspecified fragments; 26.0 percent calcium carbonate equivalent; violent effervescence, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions; abrupt smooth boundary. Lab sample # 14N00456

Bk2--79 to 132 centimeters (31.1 to 52.0 inches); light brown (7.5YR 6/4) very gravelly sandy loam, brown (7.5YR 5/4), moist; 80 percent sand; 10 percent silt; 10 percent clay; structureless massive; soft, very friable, nonsticky, nonplastic; low excavation difficulty; many very fine roots; many very fine interstitial pores; 60 percent distinct carbonate coats on rock fragments; 45 percent nonflat subrounded indurated 2 to 75-millimeter unspecified fragments; 17.0 percent calcium carbonate equivalent; violent effervescence, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions; abrupt smooth boundary. Lab sample # 14N00457

2Bk--132 to 203 centimeters (52.0 to 79.9 inches); strong brown (7.5YR 5/6) loam, brown (7.5YR 4/4), moist; 50 percent sand; 32 percent silt; 18 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; low excavation difficulty; common very fine roots; many very fine tubular pores; 30 percent distinct carbonate coats on rock fragments; 25 percent very fine carbonate masses; 5 percent nonflat subrounded indurated 2 to 75-millimeter unspecified fragments; 12.0 percent calcium carbonate equivalent; violent effervescence, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions. Lab sample # 14N00458

 

 


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