Soil Series Atlas

Greenwich soil series

Coarse-loamy, mixed, semiactive, mesic Typic Hapludults

050100150cm1 ft2 ft3 ft4 ft5 ft6 ftApTopsoil · plowed0–25 cm · 0–10 inBt1Subsoil · clay build-up25–41 cm · 10–16 inBt2Subsoil · clay build-up41–56 cm · 16–22 in2Bt3Subsoil · clay build-up, different parentmaterial56–64 cm · 22–25 in2Bt4Subsoil · clay build-up, different parentmaterial64–74 cm · 25–29 in2CBParent material with subsoil traits ·different parent material74–99 cm · 29–39 in2C1Parent material · different parentmaterial99–117 cm · 39–46 in2C2Parent material · different parentmaterial117–140 cm · 46–55 in2C3Parent material · different parentmaterial140–183 cm · 55–72 in050100150cmApTopsoil · plowed0–25 cm · 0–10 inBt1Subsoil · clay build-up25–41 cm · 10–16 inBt2Subsoil · clay build-up41–56 cm · 16–22 in2Bt3Subsoil · claybuild-up, differentparent material56–64 cm · 22–25 in2Bt4Subsoil · claybuild-up, differentparent material64–74 cm · 25–29 in2CBParent material withsubsoil traits ·different parentmaterial74–99 cm · 29–39 in2C1Parent material ·different parentmaterial99–117 cm · 39–46 in2C2Parent material ·different parentmaterial117–140 cm · 46–55 in2C3Parent material ·different parentmaterial140–183 cm · 55–72 in
Typical pedon, to scale: 183 cm (72 in), 9 horizons.

Ultisols — strongly weathered, leached soils with a clay-enriched subsoil

Nationally Greenwich is a small series: 14,766 acres, 11,966th of 24,791 by area. 91% of its acres lie in Delaware. It is the state soil of Delaware.

Depth
Very deep
Drainage
Well drained
Water movement
Moderately high

Compare with another seriesSimilar series in the finder

Where Greenwich is mapped

14,766 acres in 7 soil survey areas, from current SSURGO data.

AlabamaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelaware: 13,466 acresDistrict of ColumbiaIowaKentuckyMaryland: 1,301 acresMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Greenwich acres

  1. Delaware91%
  2. Maryland9%
  • Rank in the state · share of its mapped soil
  • Delaware 23rd of 115 · 1.37%
  • Maryland 254th of 324 · 0.02%

In the field

Drainage

Well drained

Drains fastStays wet

Soil depth

Very deep

ShallowDeep

Water movement (Ksat)

Moderately high

SlowFast
Parent material
Eolian deposits, alluvium
Landform
Uplands
Type location
Delaware

How it is classified

  1. OrderUltisols
  2. SuborderUdults
  3. Great groupHapludults
  4. SubgroupTypic Hapludults
  5. FamilyCoarse-loamy, mixed, semiactive, mesic Typic Hapludultscoarse-loamy particle-size classmixed mineralogy classsemiactive cation-exchange activity classmesic soil temperature regime

Against other Ultisols

Greenwich makes up 0.01% of all mapped Ultisols — the 796th largest of 1,278 series in the order.

Solum thickness (topsoil + subsoil)

74 cm under a median of 142 cm

Depth described

183 cm over a median of 178 cm

Its relatives

6 other established series share the family “Coarse-loamy, mixed, semiactive, mesic Typic Hapludults”

  1. Adyeville164 k
  2. Grosstown47 k
  3. Unicorn32 k
  4. Greenwich15 k
  5. Swedesboro9 k
  6. Philomont8 k
  7. Yanceyville439

Close relatives, at one scale

  1. Greenwich183 cm · Typic Hapludults
  2. Sassafras178 cm · Typic Hapludults
  3. Downer203 cm · Typic Hapludults
  4. Gilpin79 cm · Typic Hapludults
  5. Smithdale211 cm · Typic Hapludults
  6. Shelocta152 cm · Typic Hapludults

Horizon by horizon

HorizonLayerDepthThickness
ApTopsoil: plowed0–25 cm0–10 in25 cm
Bt1Subsoil: clay build-up25–41 cm10–16 in16 cm
Bt2Subsoil: clay build-up41–56 cm16–22 in15 cm
2Bt3Subsoil: clay build-up, different parent material56–64 cm22–25 in8 cm
2Bt4Subsoil: clay build-up, different parent material64–74 cm25–29 in10 cm
2CBParent material with subsoil traits: different parent material74–99 cm29–39 in25 cm
2C1Parent material: different parent material99–117 cm39–46 in18 cm
2C2Parent material: different parent material117–140 cm46–55 in23 cm
2C3Parent material: different parent material140–183 cm55–72 in43 cm

Sources: USDA–NRCS Official Series Description (revised 2015-11), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides