Soil Series Atlas

Cabbart soil series

Loamy, mixed, superactive, calcareous, frigid, shallow Aridic Ustorthents

050100150cm1 ft2 ft3 ft4 ftATopsoil0–8 cm · 0–3 inBk1Subsoil · lime (carbonate) build-up8–18 cm · 3–7 inBk2Subsoil · lime (carbonate) build-up18–41 cm · 7–16 inBCSubsoil grading to parent material41–46 cm · 16–18 inCrSoft bedrock46–152 cm · 18–60 in050100150cmATopsoil0–8 cm · 0–3 inBk1Subsoil · lime(carbonate) build-up8–18 cm · 3–7 inBk2Subsoil · lime(carbonate) build-up18–41 cm · 7–16 inBCSubsoil grading toparent material41–46 cm · 16–18 inCrSoft bedrock46–152 cm · 18–60 in
Typical pedon, to scale: 152 cm (60 in), 5 horizons.

Entisols — young soils with little or no horizon development

With 2.68 million acres mapped, Cabbart is the 20th-largest of 24,791 U.S. soil series. No series covers more of Montana: it accounts for 3.1% of the state’s mapped soil. Among the 3,003 mapped Entisols it is the 3rd-largest. Besides it, only Cabba and Coly belong to the great group Ustorthents in this atlas.

Depth
Shallow
Drainage
Well drained
Water movement
Moderate

Compare with another seriesSimilar series in the finder

Where Cabbart is mapped

2,680,209 acres in 65 soil survey areas, from current SSURGO data.

AlabamaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth Dakota: 277,963 acresOklahomaPennsylvaniaSouth Dakota: 237,499 acresTexasWyoming: 23,066 acresConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontana: 2,141,682 acresNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Cabbart acres

  1. Montana80%
  2. North Dakota10%
  3. South Dakota9%
  4. Wyoming0.9%

In the field

Drainage

Well drained

Drains fastStays wet

Soil depth

Shallow

ShallowDeep

Cabba, Weikert, and Tanana also are classed shallow.

Permeability

Moderate

SlowFast
Parent material
Sedimentary rock
Landform
Hills, escarpments, ridges/interfluves, plains, terraces
Type location
Montana

How it is classified

  1. OrderEntisols
  2. SuborderOrthents
  3. Great groupUstorthents
  4. SubgroupAridic Ustorthents
  5. FamilyLoamy, mixed, superactive, calcareous, frigid, shallow Aridic Ustorthentsloamy particle-size classmixed mineralogy classsuperactive cation-exchange activity classcalcareous reaction classfrigid soil temperature regime

Against other Entisols

Cabbart makes up 1.37% of all mapped Entisols — the 3rd largest of 3,003 series in the order.

Solum thickness (topsoil + subsoil)

46 cm under a median of 69 cm

Depth to the subsoil

8 cm under a median of 15 cm

Its relatives

2 other established series share the family “Loamy, mixed, superactive, calcareous, frigid, shallow Aridic Ustorthents”

  1. Cabbart2.7 M
  2. Blacksheep409 k
  3. Rangecreek39 k

Close relatives, at one scale

  1. Cabbart152 cm · Aridic Ustorthents
  2. Cabba152 cm · Typic Ustorthents
  3. Coly153 cm · Typic Ustorthents

Horizon by horizon

HorizonLayerDepthThickness
ATopsoil0–8 cm0–3 in8 cm
Bk1Subsoil: lime (carbonate) build-up8–18 cm3–7 in10 cm
Bk2Subsoil: lime (carbonate) build-up18–41 cm7–16 in23 cm
BCSubsoil grading to parent material41–46 cm16–18 in5 cm
CrSoft bedrock46–152 cm18–60 in106 cm

Sources: USDA–NRCS Official Series Description (revised 2002-04), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides