Soil Series Atlas

Narragansett soil series

Coarse-loamy over sandy or sandy-skeletal, mixed, active, mesic Typic Dystrudepts

050100150cm1 ft2 ft3 ft4 ftApTopsoil · plowed0–15 cm · 0–6 inBw1Subsoil · color or structure change15–38 cm · 6–15 inBw2Subsoil · color or structure change38–61 cm · 15–24 inBw3Subsoil · color or structure change61–71 cm · 24–28 in2CParent material · different parentmaterial71–152 cm · 28–60 in050100150cmApTopsoil · plowed0–15 cm · 0–6 inBw1Subsoil · color orstructure change15–38 cm · 6–15 inBw2Subsoil · color orstructure change38–61 cm · 15–24 inBw3Subsoil · color orstructure change61–71 cm · 24–28 in2CParent material ·different parentmaterial71–152 cm · 28–60 in
Typical pedon, to scale: 152 cm (60 in), 5 horizons.

Inceptisols — young soils with weakly developed horizons

Nationally Narragansett is a small series: 48,011 acres, 6,084th of 24,791 by area. Besides it, only Antigo falls in the coarse-loamy over sandy or sandy-skeletal particle-size class in this atlas. It was first described in Connecticut, which holds 27% of its acres today. It is the state soil of Rhode Island.

Depth
Very deep
Drainage
Well drained
Water movement
Moderate

Compare with another seriesSimilar series in the finder

Where Narragansett is mapped

48,011 acres in 7 soil survey areas, from current SSURGO data.

AlabamaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusetts: 22,014 acresMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticut: 13,113 acresMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew York: 43 acresOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island: 12,842 acres

Share of all Narragansett acres

  1. Massachusetts46%
  2. Connecticut27%
  3. Rhode Island27%
  4. New York0.1%

In the field

Drainage

Well drained

Drains fastStays wet

Soil depth

Very deep

ShallowDeep

Permeability

Moderate

SlowFast
Parent material
Glacial till
Landform
Till plains, ridges/interfluves, hills
Major land resource areas
144A, 145
Type location
Connecticut

How it is classified

  1. OrderInceptisols
  2. SuborderUdepts
  3. Great groupDystrudepts
  4. SubgroupTypic Dystrudepts
  5. FamilyCoarse-loamy over sandy or sandy-skeletal, mixed, active, mesic Typic Dystrudeptscoarse-loamy over sandy or sandy-skeletal particle-size classmixed mineralogy classactive cation-exchange activity classmesic soil temperature regime

Against other Inceptisols

Narragansett makes up 0.03% of all mapped Inceptisols — the 736th largest of 3,264 series in the order.

Solum thickness (topsoil + subsoil)

71 cm under a median of 80 cm

Its relatives

4 other established series share the family “Coarse-loamy over sandy or sandy-skeletal, mixed, active, mesic Typic Dystrudepts”

  1. Haven134 k
  2. Agawam91 k
  3. Narragansett48 k
  4. Barnstable21 k
  5. Branford13 k

Close relatives, at one scale

  1. Narragansett152 cm · Typic Dystrudepts
  2. Hazleton183 cm · Typic Dystrudepts
  3. Berks84 cm · Typic Dystrudepts
  4. Paxton165 cm · Oxyaquic Dystrudepts

Horizon by horizon

HorizonLayerDepthThickness
ApTopsoil: plowed0–15 cm0–6 in15 cm
Bw1Subsoil: color or structure change15–38 cm6–15 in23 cm
Bw2Subsoil: color or structure change38–61 cm15–24 in23 cm
Bw3Subsoil: color or structure change61–71 cm24–28 in10 cm
2CParent material: different parent material71–152 cm28–60 in81 cm

Sources: USDA–NRCS Official Series Description (revised 1999-05), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides