Soil Series Atlas

Pamunkey soil series

Fine-loamy, mixed, semiactive, thermic Ultic Hapludalfs

050100150200cm1 ft2 ft3 ft4 ft5 ft6 ftApTopsoil · plowed0–23 cm · 0–9 inBt1Subsoil · clay build-up23–28 cm · 9–11 inBt2Subsoil · clay build-up28–66 cm · 11–26 inBt3Subsoil · clay build-up66–109 cm · 26–43 inBCSubsoil grading to parent material109–117 cm · 43–46 in2CParent material · different parentmaterial117–203 cm · 46–80 in050100150200cmApTopsoil · plowed0–23 cm · 0–9 inBt1Subsoil · clay build-up23–28 cm · 9–11 inBt2Subsoil · clay build-up28–66 cm · 11–26 inBt3Subsoil · clay build-up66–109 cm · 26–43 inBCSubsoil grading toparent material109–117 cm · 43–46 in2CParent material ·different parentmaterial117–203 cm · 46–80 in
Typical pedon, to scale: 203 cm (80 in), 6 horizons.

Alfisols — moderately leached soils with a clay-enriched subsoil

Nationally Pamunkey is a small series: 21,954 acres, 9,839th of 24,791 by area. Every mapped acre is in Virginia. For a state soil it is modest at home: 197th of 704 series in Virginia.

Drainage
Well drained
Water movement
Moderate

Compare with another seriesSimilar series in the finder

Where Pamunkey is mapped

21,954 acres in 10 soil survey areas, from current SSURGO data.

AlabamaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginia: 21,954 acresWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Pamunkey acres

  1. Virginia100%
  • Rank in the state · share of its mapped soil
  • Virginia 197th of 704 · 0.11%

In the field

Drainage

Well drained

Drains fastStays wet

Permeability

Moderate

SlowFast
Parent material
Marine/coastal plain sediments
Landform
Terraces
Type location
Virginia

How it is classified

  1. OrderAlfisols
  2. SuborderUdalfs
  3. Great groupHapludalfs
  4. SubgroupUltic Hapludalfs
  5. FamilyFine-loamy, mixed, semiactive, thermic Ultic Hapludalfsfine-loamy particle-size classmixed mineralogy classsemiactive cation-exchange activity classthermic soil temperature regime

Against other Alfisols

Pamunkey makes up 0.01% of all mapped Alfisols — the 1,824th largest of 4,001 series in the order.

Solum thickness (topsoil + subsoil)

117 cm under a median of 127 cm

Depth described

203 cm over a median of 156 cm

Its relatives

4 other established series share the family “Fine-loamy, mixed, semiactive, thermic Ultic Hapludalfs”

  1. Humphreys141 k
  2. Pamunkey22 k
  3. Sandhill12 k
  4. Marsh11 k
  5. Liddieville8 k

Close relatives, at one scale

  1. Pamunkey203 cm · Ultic Hapludalfs
  2. Stuttgart203 cm · Albaquultic Hapludalfs
  3. Lester203 cm · Mollic Hapludalfs
  4. Menfro203 cm · Typic Hapludalfs

Horizon by horizon

HorizonLayerDepthThickness
ApTopsoil: plowed0–23 cm0–9 in23 cm
Bt1Subsoil: clay build-up23–28 cm9–11 in5 cm
Bt2Subsoil: clay build-up28–66 cm11–26 in38 cm
Bt3Subsoil: clay build-up66–109 cm26–43 in43 cm
BCSubsoil grading to parent material109–117 cm43–46 in8 cm
2CParent material: different parent material117–203 cm46–80 in86 cm

Sources: USDA–NRCS Official Series Description (revised 2002-03), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides