Megapit Details - NEON Data

D10 RMNP Megapit Soils Description

PEDON DESCRIPTION granite 198 centimeters indurated

Print Date: Jul 22 2015	Country:
Description Date: May 31 2013	State: Colorado
Describer: Andy Steinert	County: Larimer
Site ID: 2013CO069001	MLRA: 48A -- Southern Rocky Mountains
Site Note: Castnet NEON Soil Pit; This pedon has a seasonal, perched water table on top of the Cr horizon. This seasonal water table is from snow melt. There is no hydrophytic vegetation to suggest this is a permanent water table.	Soil Survey Area: 4-FTC -- Fort Collins, Colorado CO642 -- Estes Park Area, Colorado, Parts of Boulder and Larimer Counties
Pedon ID: S2013CO069001	Map Unit: 7702B -- Frisco-Catamount, moist families complex, 5 to 40 percent slopes
Pedon Note: The backhoe was able to scrape/dig through the Cr horizon, but not dig straight down.	Quad Name: Longs Peak, Colorado
Lab Source ID: SSL	Std Latitude: 40.2770556
Lab Pedon #: 13N61307	Std Longitude: -105.5452500
User Transect ID:
Soil Name as Described/Sampled: Ustic Haplocryolls
Classification: Loamy-skeletal, mixed, superactive Ustic Haplocryolls	Latitude: 40 degrees 16 minutes 37.40 seconds north
Soil Name as Correlated:	Longitude: 105 degrees 32 minutes 42.90 seconds west
Classification:	Datum: WGS84
Pedon Type:	UTM Zone: 13
Pedon Purpose: laboratory sampling site	UTM Easting: 453647 meters
Taxon Kind: family	UTM Northing: 4458653 meters
Associated Soils:
Physiographic Division: Rocky Mountain System	Primary Earth Cover: Tree cover
Physiographic Province: Southern Rocky Mountains	Secondary Earth Cover: Conifers
Physiographic Section:	Existing Vegetation: Arizona fescue, common juniper, Engelmann spruce, kinnikinnick, lodgepole pine, quaking aspen
State Physiographic Area:	Parent Material: residuum weathered from granite
Local Physiographic Area:	Bedrock Kind: granite
Geomorphic Setting: on mountainflank, lower third of mountains on mountain slope	Bedrock Depth: 123 centimeters
Upslope Shape: convex	Bedrock Hardness: moderately cemented
Cross Slope Shape: linear	Bedrock Fracture Interval: less than 10 centimeters
Particle Size Control Section: 25 to 100 cm.	Surface Fragments: 2.0 percent nonflat subangular indurated 2- to 75-millimeter granite fragments and 3.0 percent nonflat subangular indurated 75- to 250-millimeter granite fragments
Description origin: NASIS	Description database: KSSL

Diagnostic Features:

mollic epipedon 0 to 33 cm.
paralithic contact 123 to 198 cm.
lithic contact 198 to cm.

Top Depth (cm)	Bottom Depth (cm)	Restriction Kind	Restriction Hardness
123	198	bedrock, paralithic	moderately cemented
198		bedrock, lithic	indurated

Cont. Site ID: 2013CO069001

Pedon ID: S2013CO069001

Slope (%)	Elevation (meters)	Aspect (deg)	MAAT (C)	MSAT (C)	MWAT (C)	MAP (mm)	Frost-Free Days	Drainage Class	Slope Length (meters)	Upslope Length (meters)
3.0	2,758.0	46						moderately well

A--0 to 10 centimeters (0.0 to 3.9 inches); black (7.5YR 2.5/1) broken face loam, very dark gray (7.5YR 3/1) broken face, dry; 30 percent sand; 48 percent silt; 22 percent clay; weak fine granular structure; hard, very friable, slightly sticky, slightly plastic; common very fine roots throughout and common medium roots throughout and common fine roots throughout; 2 percent nonflat subangular indurated 2 to 5-millimeter granite fragments; noneffervescent, by HCl, 1 normal; moderately acid, pH 5.8, pH meter; a thin Oe horizon exists in places; clear smooth boundary. Lab sample # 13N06268 A--0 to 10 centimeters (0.0 to 3.9 inches); black (7.5YR 2.5/1) broken face loam, very dark gray (7.5YR 3/1) broken face, dry; 30 percent sand; 48 percent silt; 22 percent clay; weak fine granular structure; hard, very friable, slightly sticky, slightly plastic; common very fine roots throughout and common medium roots throughout and common fine roots throughout; 2 percent nonflat subangular indurated 2 to 5-millimeter granite fragments; noneffervescent, by HCl, 1 normal; moderately acid, pH 5.8, pH meter; a thin Oe horizon exists in places; clear smooth boundary. Lab sample # 13N06268

AB--10 to 33 centimeters (3.9 to 13.0 inches); very dark brown (10YR 2/2) broken face gravelly sandy clay loam, very dark grayish brown (10YR 3/2) broken face, dry; 65 percent sand; 13 percent silt; 22 percent clay; weak fine granular, and weak fine subangular blocky, and weak medium subangular blocky structure; very hard, very friable, slightly sticky, slightly plastic; common very fine roots throughout and common medium roots throughout and common fine roots throughout and common coarse roots throughout; 28 percent nonflat subangular indurated 2 to 20-millimeter granite fragments; noneffervescent, by HCl, 1 normal; slightly acid, pH 6.1, pH meter; clear wavy boundary. Lab sample # 13N06269 AB--10 to 33 centimeters (3.9 to 13.0 inches); very dark brown (10YR 2/2) broken face gravelly sandy clay loam, very dark grayish brown (10YR 3/2) broken face, dry; 65 percent sand; 13 percent silt; 22 percent clay; weak fine granular, and weak fine subangular blocky, and weak medium subangular blocky structure; very hard, very friable, slightly sticky, slightly plastic; common very fine roots throughout and common medium roots throughout and common fine roots throughout and common coarse roots throughout; 28 percent nonflat subangular indurated 2 to 20-millimeter granite fragments; noneffervescent, by HCl, 1 normal; slightly acid, pH 6.1, pH meter; clear wavy boundary. Lab sample # 13N06269

C/B--33 to 84 centimeters (13.0 to 33.1 inches); 60 percent dark yellowish brown (10YR 4/4) broken face gravelly loamy coarse sand, 60 percent light yellowish brown (10YR 6/4) broken face, dry; 80 percent sand; 16 percent silt; 4 percent clay; weak fine subangular blocky parts to weak fine granular, and weak medium subangular blocky parts to weak fine granular, and weak coarse subangular blocky parts to weak fine granular structure; soft, very friable, nonsticky, nonplastic; common medium roots throughout and common fine roots throughout; 2 percent nonflat subangular indurated 75 to 250-millimeter granite fragments and 32 percent nonflat subangular indurated 2 to 75-millimeter granite fragments; noneffervescent, by HCl, 1 normal; slightly acid, pH 6.1, pH meter; the C makes up 60% of this C/B horizon(all data for this row is for the C portion of this horizon). Lab sample # 13N06270 C/B--33 to 84 centimeters (13.0 to 33.1 inches); 60 percent dark yellowish brown (10YR 4/4) broken face gravelly loamy coarse sand, 60 percent light yellowish brown (10YR 6/4) broken face, dry; 80 percent sand; 16 percent silt; 4 percent clay; weak fine subangular blocky parts to weak fine granular, and weak medium subangular blocky parts to weak fine granular, and weak coarse subangular blocky parts to weak fine granular structure; soft, very friable, nonsticky, nonplastic; common medium roots throughout and common fine roots throughout; 2 percent nonflat subangular indurated 75 to 250-millimeter granite fragments and 32 percent nonflat subangular indurated 2 to 75-millimeter granite fragments; noneffervescent, by HCl, 1 normal; slightly acid, pH 6.1, pH meter; the C makes up 60% of this C/B horizon(all data for this row is for the C portion of this horizon). Lab sample # 13N06270

C/B--33 to 84 centimeters (13.0 to 33.1 inches); 40 percent very dark grayish brown (10YR 3/2) broken face gravelly coarse sandy loam, 40 percent grayish brown (10YR 5/2) broken face, dry; 70 percent sand; 12 percent silt; 18 percent clay; moderate medium subangular blocky parts to weak fine granular, and moderate coarse subangular blocky parts to weak fine granular structure; hard, very friable, slightly sticky, slightly plastic; common medium roots throughout and common fine roots throughout; 2 percent nonflat subangular indurated 75 to 250-millimeter granite fragments and 31 percent nonflat subangular indurated 2 to 75-millimeter granite fragments; noneffervescent, by HCl, 1 normal; moderately acid, pH 5.8, pH meter; the B makes up 40% of the C/B horizon(all data for this row relates to the B portion of the horizon); clear wavy boundary. Lab sample # 13N06271 C/B--33 to 84 centimeters (13.0 to 33.1 inches); 40 percent very dark grayish brown (10YR 3/2) broken face gravelly coarse sandy loam, 40 percent grayish brown (10YR 5/2) broken face, dry; 70 percent sand; 12 percent silt; 18 percent clay; moderate medium subangular blocky parts to weak fine granular, and moderate coarse subangular blocky parts to weak fine granular structure; hard, very friable, slightly sticky, slightly plastic; common medium roots throughout and common fine roots throughout; 2 percent nonflat subangular indurated 75 to 250-millimeter granite fragments and 31 percent nonflat subangular indurated 2 to 75-millimeter granite fragments; noneffervescent, by HCl, 1 normal; moderately acid, pH 5.8, pH meter; the B makes up 40% of the C/B horizon(all data for this row relates to the B portion of the horizon); clear wavy boundary. Lab sample # 13N06271

C--84 to 123 centimeters (33.1 to 48.4 inches); brown (7.5YR 4/4) broken face very gravelly coarse sand, light brown (7.5YR 6/4) broken face, dry; 90 percent sand; 8 percent silt; 2 percent clay; massive; soft, very friable, nonsticky, nonplastic; common medium roots throughout and common fine roots throughout; 47 percent nonflat subangular indurated 2 to 75-millimeter granite fragments; noneffervescent, by HCl, 1 normal; moderately acid, pH 6.0, pH meter; clear smooth boundary. Lab sample # 13N06272 C--84 to 123 centimeters (33.1 to 48.4 inches); brown (7.5YR 4/4) broken face very gravelly coarse sand, light brown (7.5YR 6/4) broken face, dry; 90 percent sand; 8 percent silt; 2 percent clay; massive; soft, very friable, nonsticky, nonplastic; common medium roots throughout and common fine roots throughout; 47 percent nonflat subangular indurated 2 to 75-millimeter granite fragments; noneffervescent, by HCl, 1 normal; moderately acid, pH 6.0, pH meter; clear smooth boundary. Lab sample # 13N06272

Cr--123 to 198 centimeters (48.4 to 78.0 inches); moderately cemented granite bedrock, fractured at intervals of less than 10 centimeters; very high excavation difficulty; 2 percent fine distinct 7.5YR 5/6) and 7.5YR 3/4) masses of oxidized iron at top of horizon and 3 percent medium distinct 7.5YR 5/6) and 7.5YR 3/4) masses of oxidized iron at top of horizon; noneffervescent, by HCl, 1 normal; some pockets of sandy clay material within Cr horizon. Lab sample # 13N06273 Cr--123 to 198 centimeters (48.4 to 78.0 inches); bedrock; very high excavation difficulty; 2 percent fine distinct 7.5YR 5/6) and 7.5YR 3/4) masses of oxidized iron at top of horizon and 3 percent medium distinct 7.5YR 5/6) and 7.5YR 3/4) masses of oxidized iron at top of horizon; noneffervescent, by HCl, 1 normal; some pockets of sandy clay material within Cr horizon. Lab sample # 13N06273

R--198 centimeters (78.0 inches); bedrock; extremely high excavation difficulty; noneffervescent, by HCl, 1 normal. R--198 centimeters (78.0 inches); indurated granite bedrock; extremely high excavation difficulty; noneffervescent, by HCl, 1 normal.