Soil Series Atlas

Cabba soil series

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

050100150cm1 ft2 ft3 ft4 ftATopsoil0–8 cm · 0–3 inBk1Subsoil · lime (carbonate) build-up8–20 cm · 3–8 inBk2Subsoil · lime (carbonate) build-up20–38 cm · 8–15 inCrSoft bedrock38–152 cm · 15–60 in050100150cmATopsoil0–8 cm · 0–3 inBk1Subsoil · lime(carbonate) build-up8–20 cm · 3–8 inBk2Subsoil · lime(carbonate) build-up20–38 cm · 8–15 inCrSoft bedrock38–152 cm · 15–60 in
Typical pedon, to scale: 152 cm (60 in), 4 horizons.

Entisols — young soils with little or no horizon development

Cabba is mapped on 2.09 million acres in 5 states, 31st nationally by area. Besides it, only Cabbart and Coly belong to the great group Ustorthents in this atlas. Its biggest share, 47%, is in Montana, where it ranks 13th of 1,390 series.

Depth
Shallow
Drainage
Well drained
Water movement
Moderate

Compare with another seriesSimilar series in the finder

Where Cabba is mapped

2,092,839 acres in 65 soil survey areas, from current SSURGO data.

AlabamaArizonaColorado: 2,941 acresFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth Dakota: 738,637 acresOklahomaPennsylvaniaSouth Dakota: 357,977 acresTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontana: 992,681 acresNew HampshireNew YorkOhioOregonTennesseeUtah: 602 acresVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Cabba acres

  1. Montana47%
  2. North Dakota35%
  3. South Dakota17%
  4. Colorado0.1%
  5. Utah<0.1%

In the field

Drainage

Well drained

Drains fastStays wet

Soil depth

Shallow

ShallowDeep

Cabbart, Weikert, and Tanana also are classed shallow.

Permeability

Moderate

SlowFast
Parent material
Residuum, sedimentary rock, colluvium
Landform
Plains, escarpments, hills
Type location
Montana

How it is classified

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

Against other Entisols

Cabba makes up 1.07% of all mapped Entisols — the 5th largest of 3,003 series in the order.

Solum thickness (topsoil + subsoil)

38 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 Typic Ustorthents”

  1. Cabba2.1 M
  2. Cohagen297 k
  3. Wiggler31 k

Close relatives, at one scale

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

Horizon by horizon

HorizonLayerDepthThickness
ATopsoil0–8 cm0–3 in8 cm
Bk1Subsoil: lime (carbonate) build-up8–20 cm3–8 in12 cm
Bk2Subsoil: lime (carbonate) build-up20–38 cm8–15 in18 cm
CrSoft bedrock38–152 cm15–60 in114 cm

Sources: USDA–NRCS Official Series Description (revised 2018-03), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides