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OSD Data Refresh - 2024-07-22
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141 changes: 70 additions & 71 deletions OSD/V/VENTRIS.txt
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Expand Up @@ -2,105 +2,104 @@ LOCATION VENTRIS AR

Established Series
Rev. LAQ
10/2003
07/2024

VENTRIS SERIES

The Ventris series consists of moderately deep, moderately well drained soils with very slow permeability. They formed in
residual material weathered from dolomite, limestone, or
calcareous shales. These soils are on uplands in the Ozark
Highland. Slopes range from 3 to 40 percent.
The Ventris series consists of moderately deep, moderately well drained soils with very slow permeability. They formed in residual material weathered from dolomite, limestone, or calcareous shales. These soils are on uplands in the Ozark Highland. Slopes range from 3 to 40 percent.

TAXONOMIC CLASS: Very-fine, mixed, active, mesic Albaquic Hapludalfs

TYPICAL PEDON: Ventris very cherty silt loam, 1 to 3 percent
slopes in woodland.
(Colors are for moist soil unless otherwise
stated.)
TYPICAL PEDON: Ventris very cherty silt loam, 1 to 3 percent slopes in woodland. (Colors are for moist soil unless otherwise stated.)

A1--0 to 2 inches; very dark grayish brown (10YR 3/2) cherty silt loam; moderate medium granular structure; friable; many fine roots; 15 percent fragments of chert; neutral; abrupt smooth boundary. (1 to 6 inches thick)
A1--0 to 5 centimeters (0 to 2 inches); very dark grayish brown (10YR 3/2) cherty silt loam; moderate medium granular structure; friable; many fine roots; 15 percent fragments of chert; neutral; abrupt smooth boundary. (3 to 15 centimeters thick)

A2--2 to 5 inches; brown (10YR 5/3) cherty silt loam; weak
fine subangular blocky structure; friable; many fine roots; approximately 15 percent fragments of chert; slightly acid; abrupt smooth boundary. (0 to 5 inches thick)
A2--5 to 13 centimeters (2 to 5 inches); brown (10YR 5/3) cherty silt loam; weak fine subangular blocky structure; friable; many fine roots; approximately 15 percent fragments of chert; slightly acid; abrupt smooth boundary. (0 to 13 centimeters thick)

B21t--5 to 16 inches; yellowish brown (10YR 5/4) clay; common medium distinct light brownish gray (10YR 6/2) and reddish brown
(5YR 4/4) mottles; moderate medium angular blocky structure; very firm; few fine roots; common fine pores; thin continuous clay
films on faces of peds and in pores; slightly acid; gradual smooth boundary. (6 to 15 inches thick)
2Bt1--13 to 41 centimeters (5 to 16 inches); yellowish brown (10YR 5/4) clay; common medium distinct light brownish gray (10YR 6/2) and reddish brown (5YR 4/4) mottles; moderate medium angular blocky structure; very firm; few fine roots; common fine pores; thin continuous clay films on faces of peds and in pores; slightly acid; gradual smooth boundary. (15 to 38 centimeters thick)

B22t--16 to 32 inches; yellowish brown (10YR 5/6) clay;
common medium distinct gray (10YR 6/1) mottles; moderate fine
angular blocky structure; very firm; few fine roots; few fine
tubular pores; thin continuous clay films on faces of peds and in pores; 15 percent fragments of limestone; common slickensides; neutral; abrupt wavy boundary. (12 to 18 inches thick)
2Bt2--41 to 81 centimeters (16 to 32 inches); yellowish brown (10YR 5/6) clay; common medium distinct gray (10YR 6/1) mottles; moderate fine angular blocky structure; very firm; few fine roots; few fine tubular pores; thin continuous clay films on faces of peds and in pores; 15 percent fragments of limestone; common slickensides; neutral; abrupt wavy boundary. (30 to 46 centimeters thick)

Cr--32 to 34 inches; yellowish brown (10YR 5/8) highly
fractured weathered dolomite.
Cr--81 to 86 centimeters (32 to 34 inches); yellowish brown (10YR 5/8) highly fractured weathered dolostone.

R--34+ inches; hard level bedded dolomite bedrock.
R--86 centimeters (34 inches); hard level bedded dolostone bedrock.

TYPE LOCATION: Baxter County, Arkansas; about 1 mile east of Mountain Home on Buzzard Roost Road and 1400 feet south. SE1/4SW1/4NW1/4 sec. 2, T. 19 N., R. 13 W.
TYPE LOCATION: Baxter County, Arkansas; about 1 mile east of Mountain Home on Buzzard Roost Road and 1,400 feet south. SE1/4 SW1/4 NW1/4 section 2, T. 19 N., R. 13 W.

RANGE IN CHARACTERISTICS: The solum thickness and depth to
bedrock ranges from 24 to 40 inches.
RANGE IN CHARACTERISTICS:
Solum thickness and depth to bedrock: 61 to 102 centimeters

The A1 horizon has hue of 10YR, value of 2 or 3, and chroma of 2,
or value of 3, and chroma of 3. The A2 horizon has hue of 10YR, value of 4 or 5, and chroma of 2, 3, or 4. The A horizon is silt loam, silty clay loam or with cherty, very cherty or stony
textural modifiers. The reaction ranges from medium acid to
neutral.
A1 horizon
Hue: 10YR
Value: 2 or 3
Chroma: 2 or 3
Texture: silt loam, silty clay loam or with gravelly or very gravelly or stony analogues
Reaction: medium acid to neutral

The B21t horizon has hue of 10YR or 2.5Y, value of 5, and chroma
of 4 or 6, or value of 4, and chroma of 4. The reaction ranges
from medium acid to neutral. Mottles are in shades of gray,
brown, or red. The B22t horizon has hue of 7.5YR, 10YR, or 2.5Y, value of 5, and chroma of 4 or 6 and mottled with hue of 10YR,
value of 4, 6, or 7, and chroma of 1 or 2, or is mottled in shades
of gray, brown, and red with no dominant color. The reaction
ranges from slightly acid to mildly alkaline. The B3 horizon,
where present, has similar color and texture as the B22t horizon. The B horizon is clay or cherty clay with 0 to 20 percent
fragments of chert, limestone, or shale.
A2 horizon
Hue: 10YR
Value: 4 or 5
Chroma: 2 to 4
Texture: silt loam, silty clay loam or with gravelly or very gravelly or stony analogues
Reaction: medium acid to neutral

The Cr horizon is highly fractured weathered dolomite, limestone,
or shale of light gray to yellowish brown colors.
2Bt1 horizon
Hue: 10YR or 2.5Y
Value: 4 or 5
Chroma: 4 or 6
Texture: clay or gravelly clay
Rock fragment content: 0 to 20 percent chert, limestone, or shale
Reaction: medium acid to neutral
Mottles: shades of gray, brown, or red

The underlying bedrock (R) is hard level bedded dolomite limetone
or shale.
2Bt2 horizon
Hue: 7.5YR, 10YR, or 2.5Y
Value: 5
Chroma: 4 or 6
Texture: clay or gravelly clay
Rock fragment content: 0 to 20 percent chert, limestone, or shale
Mottles: hue of 10YR, value of 4, 6, or 7, and chroma of 1 or 2, or is mottled in shades of gray, brown, and red with no dominant color
Reaction: slightly acid to mildly alkaline

COMPETING SERIES: Ventris is the only series in this family.
Series with common limits in definition are Cadeville, Homa, Invershiel, Marion, Orange, and Wister series. Cadeville, Invershiel, Orange, and Wister soils have less than 60 percent
clay in the control section and are thermic. Homa soils are
similar in texture but are thermic. Marion soils have less than
60 percent clay in the control section.
BC horizon (where present)
Hue: 7.5YR, 10YR, or 2.5Y
Value: 5
Chroma: 4 or 6
Texture: clay or gravelly clay
Rock fragment content: 0 to 20 percent chert, limestone, or shale
Mottles: hue of 10YR, value of 4, 6, or 7, and chroma of 1 or 2, or is mottled in shades of gray, brown, and red with no dominant color
Reaction: slightly acid to mildly alkaline

GEOGRAPHIC SETTING: Ventris soils are on broad gently sloping uplands, side slopes, and on foot slopes of hills and mountains. Slopes range from 3 to 40 percent. They formed in residual
material weathered from dolomite, limestones, and calcareous
shales of the Ozarks Highlands.
Cr horizon
Note: highly fractured weathered dolostone, limestone, or shale of light gray to yellowish brown colors.

GEOGRAPHICALLY ASSOCIATED SOILS: These are Arkana, Captina, Clarksville, Doniphan, Gassville, and Moko series. Arkana soils
have thicker mollic surface layers, dominant B horizon colors of
5YR and on similar landscapes and steeper side slopes. Captina
soils have a fine-silty control section, a fragipan, and are
adjacent similar landscapes. Doniphan soils are deeper than 40 inches to bedrock, have redder B horizons, low base saturation in
the lower solum and on similar landscapes. Gassville soils have redder B horizons, low base saturation in the lower solum and
mostly on steeper side slopes. Moko soils are shallow to bedrock, have a loamy-skeletal control section, and on similar landscapes.
R horizon
Note: hard level bedded dolostone limestone or shale.

DRAINAGE AND PERMEABILITY: Moderately well drained; medium to
rapid runoff; very slow permeability.
COMPETING SERIES: Ventris is the only series in this family. Series with common limits in definition are Cadeville, Homa, Invershiel, Marion, Orange, and Wister series. Cadeville, Invershiel, Orange, and Wister soils have less than 60 percent clay in the control section and are thermic. Homa soils are similar in texture but are thermic. Marion soils have less than 60 percent clay in the control section.

USE AND VEGETATION: Some areas are used for pasture and hay.
Most areas are in forests of redcedar, blackjack oak, post oak,
and elm the native vegetation.
GEOGRAPHIC SETTING: Ventris soils are on broad gently sloping uplands, side slopes, and on foot slopes of hills and mountains. Slopes range from 3 to 40 percent. They formed in residual material weathered from dolomite, limestones, and calcareous shales of the Ozarks Highlands.

DISTRIBUTION AND EXTENT: Arkansas, Missouri, and possibly
Tennessee. The series is moderately extensive.
GEOGRAPHICALLY ASSOCIATED SOILS: These are Arkana, Captina, Clarksville, Doniphan, Gassville, and Moko series. Arkana soils have thicker mollic surface layers, dominant B horizon colors of 5YR and on similar landscapes and steeper side slopes. Captina soils have a fine-silty control section, a fragipan, and are adjacent similar landscapes. Doniphan soils are deeper than 10 centimeters to bedrock, have redder B horizons, low base saturation in the lower solum and on similar landscapes. Gassville soils have redder B horizons, low base saturation in the lower solum and mostly on steeper side slopes. Moko soils are shallow to bedrock, have a loamy-skeletal control section, and on similar landscapes.

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Morgantown, West Virginia
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY: Moderately well drained; medium to rapid runoff; moderately low saturated hydraulic conductivity class; very slow permeability class.

USE AND VEGETATION: Some areas are used for pasture and hay. Most areas are in forests of redcedar, blackjack oak, post oak, and elm the native vegetation.

DISTRIBUTION AND EXTENT: Ozark Highland (MLRA 116A) of Arkansas and Missouri. The series is of moderate extent.

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Salina, Kansas

SERIES ESTABLISHED: Benton County, Arkansas; 1973.

REMARKS: The Ventris series would have been classified in the Red-Yellow Podzolic great soil group. These soils were mapped
under the field name of Colbert. Change in classification based
on University of Arkansas Soils Laboratory Data from Baxter
County, Benton County, and Lawrence County, Arkansas.
REMARKS: Diagnostic horizons and features recognized in this pedon are:

National Cooperative Soil Survey
U. S. A.
Ochric epipedon--the zone from 0 to 13 centimeters (A horizons)
Argillic horizon--the zone from 13 to 81 centimeters (Bt horizons)
Paralithic material--the zone from 81 to 86 centimeters (Cr horizon)
Lithic contact--dolostone at 86 centimeters

The Ventris series would have been classified in the Red-Yellow Podzolic great soil group. These soils were mapped under the field name of Colbert. Change in classification based on University of Arkansas Soils Laboratory Data from Baxter County, Benton County, and Lawrence County, Arkansas.

National Cooperative Soil Survey
U.S.A.

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