Chapter 3: Key to Soil Subgroups (continued)
GA. Brown Chernozem
GAA. Brown Chernozems that have a slickenside horizon within 1 m of the mineral soil surface and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Vertic Brown Chernozem
GAB. Other Brown Chernozems that have a slickenside horizon within 1 m of the mineral soil surface… Vertic Brown Chernozem
GAC. Other Brown Chernozems that have a Bnj, Bnjtj, or Btnj horizon and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Solonetzic Brown Chernozem
GAD. Other Brown Chernozems that have a Bnj, Bnjtj, or Btnj horizon… Solonetzic Brown Chernozem
GAE. Other Brown Chernozems that have an eluvial horizon or horizons (Ahe, Ae, or Aej) at least 2 cm in thickness, usually underlain by a Btj or Bt horizon, and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Eluviated Brown Chernozem
GAF. Other Brown Chernozems that have an eluvial horizon or horizons (Ahe, Ae, or Aej) at least 2 cm in thickness, usually underlain by a Btj or Bt horizon… Eluviated Brown Chernozem
GAG. Other Brown Chernozems that have a Bmk horizon at least 5 cm in thickness and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Calcareous Brown Chernozem
GAH. Other Brown Chernozems that have a Bmk horizon at least 5 cm in thickness… Calcareous Brown Chernozem
GAI. Other Brown Chernozems that either lack a B horizon or have a B horizon <5 cm in thickness and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Rego Brown Chernozem
GAJ. Other Brown Chernozems that either lack a B horizon or have a B horizon <5 cm in thickness… Rego Brown Chernozem
GAK. Other Brown Chernozems that have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Brown Chernozem
GAL. Other Brown Chernozems… Orthic Brown Chernozem
GB. Dark Brown Chernozem
GBA. Dark Brown Chernozems that have a slickenside horizon within 1 m of the mineral soil surface and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Vertic Dark Brown Chernozem
GBB. Other Dark Brown Chernozems that have a slickenside horizon within 1 m of the mineral soil surface… Vertic Dark Brown Chernozem
GBC. Other Dark Brown Chernozems that have a Bnj, Bnjtj, or Btnj horizon and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Solonetzic Dark Brown Chernozem
GBD. Other Dark Brown Chernozems that have a Bnj, Bnjtj, or Btnj horizon… Solonetzic Dark Brown Chernozem
GBE. Other Dark Brown Chernozems that have an eluvial horizon or horizons (Ahe, Ae, or Aej) at least 2 cm in thickness, usually underlain by a Btj or Bt horizon, and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Eluviated Dark Brown Chernozem
GBF. Other Dark Brown Chernozems that have an eluvial horizon or horizons (Ahe, Ae, or Aej) at least 2 cm in thickness, usually underlain by a Btj or Bt horizon… Eluviated Dark Brown Chernozem
GBG. Other Dark Brown Chernozems that have a Bmk horizon at least 5 cm in thickness and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Calcareous Dark Brown Chernozem
GBH. Other Dark Brown Chernozems that have a Bmk horizon at least 5 cm in thickness… Calcareous Dark Brown Chernozem
GBI. Other Dark Brown Chernozems that either lack a B horizon or have a B horizon <5 cm in thickness and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Rego Dark Brown Chernozem
GBJ. Other Dark Brown Chernozems that either lack a B horizon or have a B horizon <5 cm in thickness… Rego Dark Brown Chernozem
GBK. Other Dark Brown Chernozems that have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Dark Brown Chernozem
GBL. Other Dark Brown Chernozems… Orthic Dark Brown Chernozem
GC. Black Chernozem
GCA. Black Chernozems that have a slickenside horizon within 1 m of the mineral soil surface and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Vertic Black Chernozem
GCB. Other Black Chernozems that have a slickenside horizon within 1 m of the mineral soil surface… Vertic Black Chernozem
GCC. Other Black Chernozems that have a Bnj, Bnjtj, or Btnj horizon and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Solonetzic Black Chernozem
GCD. Other Black Chernozems that have a Bnj, Bnjtj, or Btnj horizon… Solonetzic Black Chernozem
GCE. Other Black Chernozems that have an eluvial horizon or horizons (Ahe, Ae, or Aej) at least 2 cm in thickness, usually underlain by a Btj or Bt horizon, and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Eluviated Black Chernozem
GCF. Other Black Chernozems that have an eluvial horizon or horizons (Ahe, Ae, or Aej) at least 2 cm in thickness, usually underlain by a Btj or Bt horizon… Eluviated Black Chernozem
GCG. Other Black Chernozems that have a Bmk horizon at least 5 cm in thickness and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Calcareous Black Chernozem
GCH. Other Black Chernozems that have a Bmk horizon at least 5 cm in thickness… Calcareous Black Chernozem
GCI. Other Black Chernozems that lack a B horizon or have a B horizon <5 cm in thickness and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Rego Black Chernozem
GCJ. Other Black Chernozems that lack a B horizon or have a B horizon <5 cm in thickness… Rego Black Chernozem
GCK. Other Black Chernozems that have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Black Chernozem
GCL. Other Black Chernozems… Orthic Black Chernozem
GD. Dark Gray Chernozem
GDA. Dark Gray Chernozems that have a slickenside horizon within 1 m of the mineral soil surface and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Vertic Dark Gray Chernozem
GDB. Other Dark Gray Chernozems that have a slickenside horizon within 1 m of the mineral soil surface… Vertic Dark Gray Chernozem
GDC. Other Dark Gray Chernozems that have a Bnj, Bnjtj, or Btnj horizon and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Solonetzic Dark Gray Chernozem
GDD. Other Dark Gray Chernozems that have a Bnj, Bnjtj, or Btnj horizon… Solonetzic Dark Gray Chernozem
GDE. Other Dark Gray Chernozems that have a Bmk horizon at least 5 cm in thickness and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Calcareous Dark Gray Chernozem
GDF. Other Dark Gray Chernozems that have a Bmk horizon at least 5 cm in thickness… Calcareous Dark Gray Chernozem
GDG. Other Dark Gray Chernozems that either lack a B horizon or have a B horizon <5 cm in thickness and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Rego Dark Gray Chernozem
GDH. Other Dark Gray Chernozems that either lack a B horizon or have a B horizon <5 cm in thickness… Rego Dark Gray Chernozem
GDI. Other Dark Gray Chernozems that have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Dark Gray Chernozem
GDJ. Other Dark Gray Chernozems… Orthic Dark Gray Chernozem
HA. Gray Brown Luvisol
HAA. Gray Brown Luvisols that have a slickenside horizon within 1 m of the mineral soil surface and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Vertic Gray Brown Luvisol
HAB. Other Gray Brown Luvisols that have a slickenside horizon within 1 m of the mineral soil surface… Vertic Gray Brown Luvisol
HAC. Other Gray Brown Luvisols that have a Podzolic B horizon ≥10 cm in thickness in the upper solum, a Bt horizon with its upper boundary within 50 cm from the mineral soil surface, and either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Podzolic Gray Brown Luvisol
HAD. Other Gray Brown Luvisols that have a Podzolic B horizon ≥10 cm in thickness in the upper solum and a Bt horizon with its upper boundary within 50 cm of the mineral soil surface… Podzolic Gray Brown Luvisol
HAE. Other Gray Brown Luvisols that have in the upper solum either a Bm horizon ≥5 cm in thickness with a chroma ≥3, or a Bf horizon <10 cm in thickness that does not extend below 15 cm of the mineral soil surface, and either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Brunisolic Gray Brown Luvisol
HAF. Other Gray Brown Luvisols that have in the upper solum either a Bm horizon ≥5 cm in thickness with a chroma ≥3, or a Bf horizon < 10 cm in thickness that does not extend below 15 cm of the mineral soil surface… Brunisolic Gray Brown Luvisol
HAG. Other Gray Brown Luvisols that have either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Gray Brown Luvisol
HAH. Other Gray Brown Luvisols… Orthic Gray Brown Luvisol
HB. Gray Luvisol
HBA. Gray Luvisols that have a slickenside horizon within 1 m of the mineral soil surface and faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Vertic Gray Luvisol
HBB. Other Gray Luvisols that have a slickenside horizon within 1 m of the mineral soil surface… Vertic Gray Luvisol
HBC. Other Gray Luvisols that have a fragipan either within or below the Bt horizon and have either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Fragic Gray Luvisol
HBD. Other Gray Luvisols that have a fragipan either within or below the Bt horizon… Fragic Gray Luvisol
HBE. Other Gray Luvisols that have a Podzolic B horizon ≥10 cm in thickness in the upper solum, a Bt horizon with its upper boundary within 50 cm of the mineral soil surface, and either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Podzolic Gray Luvisol
HBF. Other Gray Luvisols that have a Podzolic B horizon ≥10 cm in thickness in the upper solum and a Bt horizon with its upper boundary within 50 cm of the mineral soil surface… Podzolic Gray Luvisol
HBG. Other Gray Luvisols that have an Ah or Ahe horizon ≥5 cm in thickness and either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Dark Gray Luvisol
HBH. Other Gray Luvisols that have either an Ah or Ahe horizon ≥5 cm in thickness… Dark Gray Luvisol
HBI. Other Gray Luvisols that have a Btnj horizon and either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Solonetzic Gray Luvisol
HBJ. Other Gray Luvisols that have a Btnj horizon… Solonetzic Gray Luvisol
HBK. Other Gray Luvisols that have in the upper solum either a Bm horizon ≥5 cm in thickness with a chroma ≥3, or a Bf horizon <10 cm in thickness that does not extend below 15 cm of the mineral soil surface, and either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Brunisolic Gray Luvisol
HBL. Other Gray Luvisols that have in the upper solum either a Bm horizon ≥5 cm in thickness with a chroma ≥3, or a Bf horizon <10 cm in thickness that does not extend below 15 cm of the mineral soil surface… Brunisolic Gray Luvisol
HBM. Other Gray Luvisols that have either distinct mottles within 50 cm of the mineral soil surface or prominent mottles at depths of 50-100 cm… Gleyed Gray Luvisol
HBN. Other Gray Luvisols… Orthic Gray Luvisol
IA. Melanic Brunisol
IAA. Melanic Brunisols that have an Ae or Aej horizon ≥2 cm in thickness and either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Eluviated Melanic Brunisol
IAB. Other Melanic Brunisols that have an Ae or Aej horizon ≥2 cm in thickness… Eluviated Melanic Brunisol
IAC. Other Melanic Brunisols that have either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Melanic Brunisol
IAD. Other Melanic Brunisols… Orthic Melanic Brunisol
IB. Eutric Brunisol
IBA. Eutric Brunisols that have an Ae or Aej horizon ≥2 cm in thickness and either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Eluviated Eutric Brunisol
IBB. Other Eutric Brunisols that have an Ae or Aej horizon ≥2 cm in thickness… Eluviated Eutric Brunisol
IBC. Other Eutric Brunisols that have either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Eutric Brunisol
IBD. Other Eutric Brunisols… Orthic Eutric Brunisol
IC. Sombric Brunisol
ICA. Sombric Brunisols that have a duric horizon within the control section… Duric Sombric Brunisol
ICB. Other Sombric Brunisols that have an Ae or Aej horizon ≥2 cm in thickness and either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Eluviated Sombric Brunisol
ICB. Other Sombric Brunisols that have an Ae or Aej horizon ≥2 cm in thickness… Eluviated Sombric Brunisol
ICC. Other Sombric Brunisols that have either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Sombric Brunisol
ICD. Other Sombric Brunisols… Orthic Sombric Brunisol
ID. Dystric Brunisol
IDA. Dystric Brunisols that have a duric horizon within the control section… Duric Dystric Brunisol
IDB. Other Dystric Brunisols that have an Ae or Aej horizon ≥2 cm in thickness and either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Eluviated Dystric Brunisol
IDC. Other Dystric Brunisols that have an Ae or Aej horizon ≥2 cm in thickness… Eluviated Dystric Brunisol
IDD. Other Dystric Brunisols that have either faint to distinct mottles within 50 cm of the mineral soil surface, or distinct to prominent mottles at depths of 50-100 cm… Gleyed Dystric Brunisol
IDE. Other Dystric Brunisols… Orthic Dystric Brunisol
JA. Humic Regosol
JAA. Humic Regosols that either have layers below the Ah horizon and vary in color value by one or more units, or have organic matter contents that vary irregularly with depth and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Cumulic Humic Regosol
JAB. Other Humic Regosols that either have layers below the Ah horizon and vary in color value by one or more units, or have organic matter contents that vary irregularly with depth… Cumulic Humic Regosol
JAC. Other Humic Regosols that have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Humic Regosol
JAD. Other Humic Regosols… Orthic Humic Regosol
JB. Regosol
JBA. Regosols that either have layers below the Ah horizon and vary in color value by one or more units, or have organic matter contents that vary irregularly with depth and have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Cumulic Regosol
JBB. Other Regosols that either have layers below the Ah horizon and vary in color value by one or more units, or have organic matter contents that vary irregularly with depth… Cumulic Regosol
JBC. Other Regosols that have faint to distinct mottles within 50 cm of the mineral soil surface… Gleyed Regosol
JBD. Other Regosols… Orthic Regosol
Source : The Canadian System of Soil Classification (Third Edition)