Soil Series Atlas

Blount soil series

Fine, illitic, mesic Aeric Epiaqualfs

050100150200cm1 ft2 ft3 ft4 ft5 ft6 ftApTopsoil · plowed0–18 cm · 0–7 inBtgSubsoil · clay build-up, gleyed: grayfrom wetness18–30 cm · 7–12 inBtSubsoil · clay build-up30–58 cm · 12–23 inBCtgSubsoil grading to parent material · claybuild-up, gleyed: gray from wetness58–76 cm · 23–30 inCBdParent material with subsoil traits ·dense, roots restricted76–107 cm · 30–42 inCd1Parent material · dense, roots restricted107–137 cm · 42–54 inCd2Parent material · dense, roots restricted137–200 cm · 54–79 in050100150200cmApTopsoil · plowed0–18 cm · 0–7 inBtgSubsoil · claybuild-up, gleyed: grayfrom wetness18–30 cm · 7–12 inBtSubsoil · clay build-up30–58 cm · 12–23 inBCtgSubsoil grading toparent material · claybuild-up, gleyed: grayfrom wetness58–76 cm · 23–30 inCBdParent material withsubsoil traits · dense,roots restricted76–107 cm · 30–42 inCd1Parent material ·dense, roots restricted107–137 cm · 42–54 inCd2Parent material ·dense, roots restricted137–200 cm · 54–79 in
Typical pedon, to scale: 200 cm (79 in), 7 horizons.

Alfisols — moderately leached soils with a clay-enriched subsoil

With 2.58 million acres mapped, Blount is the 21st-largest of 24,791 U.S. soil series. No series covers more of Ohio: it accounts for 5.8% of the state’s mapped soil. It is the only series in the atlas that has illitic mineralogy. Among the 4,001 mapped Alfisols it is the 2nd-largest.

Depth
Very deep
Drainage
Somewhat poorly drained
Water movement
Moderately low

Compare with another seriesSimilar series in the finder

Where Blount is mapped

2,582,525 acres in 96 soil survey areas, from current SSURGO data.

AlabamaArizonaColoradoFloridaGeorgiaIndiana: 837,713 acresKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinois: 50,225 acresNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichigan: 303,952 acresMississippiMontanaNew HampshireNew YorkOhio: 1,372,068 acresOregonTennesseeUtahVirginiaWashingtonWisconsin: 18,567 acresNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Blount acres

  1. Ohio53%
  2. Indiana32%
  3. Michigan12%
  4. Illinois2%
  5. Wisconsin0.7%
  • Rank in the state · share of its mapped soil
  • Ohio 1st of 513 · 5.79%
  • Indiana 1st of 534 · 4.20%
  • Michigan 21st of 668 · 0.97%

In the field

Drainage

Somewhat poorly drained

Drains fastStays wet

Stuttgart also is somewhat poorly drained.

Soil depth

Very deep

ShallowDeep

Water movement (Ksat)

Moderately low

SlowFast

Crete and Tokul also have moderately low Ksat.

Parent material
Glacial till
Landform
Till plains
Major land resource areas
111B, 95B, 97, 98, 99, 108A, 110
Type location
Ohio

How it is classified

  1. OrderAlfisols
  2. SuborderAqualfs
  3. Great groupEpiaqualfs
  4. SubgroupAeric Epiaqualfs
  5. FamilyFine, illitic, mesic Aeric Epiaqualfsfine particle-size classillitic mineralogy classmesic soil temperature regime

Against other Alfisols

Blount makes up 0.93% of all mapped Alfisols — the 2nd largest of 4,001 series in the order.

Solum thickness (topsoil + subsoil)

76 cm under a median of 127 cm

Depth to the subsoil

18 cm under a median of 23 cm

Depth described

200 cm over a median of 156 cm

Its relatives

6 other established series share the family “Fine, illitic, mesic Aeric Epiaqualfs”

  1. Blount2.6 M
  2. Bennington558 k
  3. Mahoning414 k
  4. Nappanee306 k
  5. Del Rey259 k
  6. Fulton115 k
  7. Kimmell1 k

Other Alfisols in this atlas

  1. Blount200 cm · Aeric Epiaqualfs
  2. Amarillo251 cm · Aridic Paleustalfs
  3. Guyton203 cm · Typic Glossaqualfs
  4. Fayette185 cm · Typic Hapludalfs
  5. Loring165 cm · Oxyaquic Fragiudalfs
  6. Menfro203 cm · Typic Hapludalfs

Horizon by horizon

HorizonLayerDepthThickness
ApTopsoil: plowed0–18 cm0–7 in18 cm
BtgSubsoil: clay build-up, gleyed: gray from wetness18–30 cm7–12 in12 cm
BtSubsoil: clay build-up30–58 cm12–23 in28 cm
BCtgSubsoil grading to parent material: clay build-up, gleyed: gray from wetness58–76 cm23–30 in18 cm
CBdParent material with subsoil traits: dense, roots restricted76–107 cm30–42 in31 cm
Cd1Parent material: dense, roots restricted107–137 cm42–54 in30 cm
Cd2Parent material: dense, roots restricted137–200 cm54–79 in63 cm

Sources: USDA–NRCS Official Series Description (revised 2021-11), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides