SOILS of the LOCKYER VALLEY ALLUVIAL PLAINS Ab Ab Sm NR&M Ref
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30 35 40 45 50 55 60 152 30 Wivenhoe Dam SOILS OF THE LOCKYER VALLEY Logan Creek Sy ALLUVIAL PLAINS 75 Sy 75 SHEET 2 Rb SCALE 1 : 50 000 Rb(st) metres kilometres Rb 100001 2 3 4 5 Rb Br(y) Dn Running Buaraba Ht Projection: Universal Transverse Mercator (MGA Zone 56) Horizontal Datum: GEOCENTRIC DATUM OF AUSTRALIA (GDA94) Rb Rb Note: This map is GDA94 compliant BRISBANE Sy ESK Ht Ly VALLEY Br REFERENCE Br(y) Gc Br Australian Soil Area Bm HIGHWAY Mapping Unit Major attributes of dominant soil Landscape position Great Soil Group* PPF *** Classification ** (ha) SOILS OF THE MAJOR STREAM FLOODPLAINS AND LEVEES Creek Br Creek Spring Rs Robinson Dark or brown sandy loam to clay loam 0.1 to 0.4m deep Flood plains, flood plain splays, Alluvial soil Clastic Rudosol Uc6.11 1842.7 over layers of soil, sediment or coarse bedload (gravel, point bars, channel benches LepticTenosol Um6.11 cobble, stone). Um6.21 Rb Br COOMINYA Rb Ht(a) Ly Lockyer Dark clay loam to light clay with dark or brown neutral to Flood plains, levees Prairie soil Black Dermosol Um6.11 8658.3 Rb Dn 70 Rb Creek 70 alkaline structured subsoil to 0.4 to 1.0m deep, over dark Brown Dermosol Uf6.31 Gc Rb or brown layers, palaeosols or coarse bedload. Uf6.32 Rb Cd Cavendish Dark clay loam to light clay with calcareous structured light Levee banks and backslopes Chernozem Black Dermosol Gn3.43 407.8 Bm Bm Sy clay to medium clay subsoil. Uf6.32 Dn Lr Lockrose Dark fine sandy clay to light-medium clay to 0.15 to 0.2m Levee banks and backslopes Prairie soil Black Dermosol Uf6.32 226.8 Sy over occasionally mottled or calcareous dark or dark Brown Dermosol Cl(g) brown fine sandy clay loam to light clay to 0.55 to 0.9m Bm Rb Sy abruptly over dark or grey brown medium to heavy clay containing carbonate or manganese concretions to 1.5m. Sy Rb Rb Br Cl Rb Bl SOILS OF THE MAJOR STREAM TERRACES AND PLAINS Lw Rs Rb Sy(d) Br Sy Buaraba Cl Alluvial plains adjacent to relict Sy Fs Lw Lawes Dark self mulching, cracking medium clay with dark or Black earth Black Vertosol Ug5.15 3533.4 Bm Br Bl Ly brown calcareous subsoil to 0.7 to 1.4m deep over brown levees Ug5.17 Sy Cl Rs friable lighter textured layers. Sy Lr Bl(l) Ly Ts Bl Blenheim Dark self mulching, cracking medium to heavy clay with Extensive black plains Black earth Black Vertosol Ug3.1 11962.2 Rs Ww CLARENDON dark, brown or grey calcareous subsoil to 1.5m deep or Ug5.11 Ly Bl(l) Lw Ww over medium to heavy clay palaeosol. Ug5.15 Rs Sy Ly Fs Ug5.16 Rs Ug5.17 Sy Ww(d) Creek Rb Bl Ly Light textured variant: has light clay surface texture. Infilled channels of prior streams Chernozem - black earth Black Dermosol Uf6.32 Black Vertosol Bm and levee backslopes Ug5.15 Bm Ww Cl Clarendon Backswamps Wiesenboden - grey clay Aquic Vertosol Ug5.1 2898.1 Bl Humic mottled surface horizon over mottled dark or grey Bl(l) Ww medium to heavy clay with grey calcareous subsoil to Ug5.16 W Fs Cl Bl(l) 1.5m deep. Ug5.24 Fs Ug5.25 RIVER Fs Flagstone Grey self mulching, cracking clay with grey calcareous Backplains Grey clay Grey Vertosol Ug5.24 1595.3 Sy Ww Cl Cl Cl Ht subsoil to 1.5m deep or over brown friable lighter textured Ug5.25 layers. Ug5.28 Sy Cl Bl Bl Bl(l) 65 Bl 65 Sp Sippel Hardsetting texture contrast soil with dark fine sandy loam Back plains Affinities with red-brown Brown Chromosol Db1.43 835.0 Ww Fs Ts Cl Bl to fine sandy clay loam surface soil to 0.15 to 0.45m over earth Grey Chromosol Db2.12 Bl Bl brown or grey neutral to alkaline clay subsoil. Db2.33 Rs Creek Dy2.13 Ww Cl(s) Bl(l) Th Tenthill Dark brown weakly self mulching cloddy light to light- Relict levees, terraced plains, prior Chernozem - black earth Brown Dermosol Ug5.15 4159.8 Bl Cd Cl medium clay with brown calcareous subsoil to 0.4 to 0.7m streams Black Dermosol Uf6.31 Lw over brown friable lighter textured layers. Gn3.43 Sy Lr Bl(g) Light textured variant has clay loam surface texture and Red-brown earth Red Chromosol Dr2.13 Bl(l) Bl red brown subsoil Sy MOUNT TARAMPA Cl BRISBANE Hp Hooper Dark brown weakly self-mulching cloddy light to light- Relict levees, prior streams Chernozem Brown Dermosol Ug5.15 692.7 Rb medium clay with brown calcareous subsoil to 0.7 to 1.4m Uf6.31 Bl(d) Bl over brown friable textured layers. W Ww Bl Hd Helidon Grey-brown or brown loamy sand or sandy loam with Back plains Solodic Brown Chromosol Dy2.42 499.8 Ww Red Chromosol Db1.42 Ww conspicuously bleached A 2 -horizon to 0.2 to 0.45m over Sy brown, bright yellow brown or bright reddish brown neutral Cl Bl(l) Ld Ly Bl(g) clay subsoil. Manganese common, lime rare. Layered D-horizons may be evident below 0.6m. Gc LOWOOD SOILS OF THE MAJOR STREAM ELEVATED TERRACES, FANS AND PEDIMENTS Ht Ly Rs Bl Bl Bm Sy Ht Lockyer Lk Leschke Grey, hardsetting, crusting light to medium clay with grey Elevated terraces, pediments, local Grey clay Grey Vertosol Ug5.24 2274.7 Bl Sg subsoil to 1.5m. Subsoils are alkaline but may become alluvial plains Uf6.33 Ww Ly Ly Cl Cl Ld neutral with depth. Hp Wb Woodbine Grey or dark self-mulching, cracking medium clay with Elevated terraces, pediments, local Grey clay Grey Vertosol Ug5.24 453.0 Gc grey subsoil to 1.5m. Subsoils are alkaline but may alluvial plains Ug5.28 Cl Bl(s) Bl(l) become neutral to acid with depth. Bl Lw Tt Thornton Dark cobbly self-mulching cracking light to medium clay Elevated terraces, alluvial fans and Black earth -brown clay Black Vertosol Ug5.15 284.2 Bl(g) Lk Ht Rs with dark or brown medium to heavy clay subsoil to 0.5 to adjacent pediments Brown Vertosol Ug5.17 Rs 1.3m over brown layers or coarse bedload W Ab 60 60 Bm Ht Rb W Ab Ww Ts Townson Dark self-mulching cracking medium to heavy clay with Elevated alluvial fans and adjacent Black earth -brown clay Black Vertosol Ug5.1 839.2 W Th Ab dark, grey brown or brown subsoil to 1.5m. pediments Brown Vertosol Ug5.15 W Bl Th Ug5.16 Bl Bl S TARAMPA Cl Ht(a) Rn Ryan Brown hardsetting sandy loam with massive red brown Pediments Affinities with red earth Red Kandosol Gn2.12 76.1 ALLANDALE neutral sandy clay subsoil. Cl S Bl Lk Lk Th SOILS OF THE ALLUVIAL FANS DERIVED FROM BASALT (UPPER REACH TRIBUTARIES) W Sy Cl Lw Gm Bl LOCKROSE Bl(k) Sy Lk(sl) Pc Peacock Dark stony loam to light clay with structured dark or brown Alluvial fans Prairie soil Black Dermosol Um6.11 382.0 neutral subsoil to 0.4 to 1m over brown layers or coarse Brown Dermosol Uf6.31 Bl(l) Hp Lk(h) Lk bedload. Uf6.32 Cd 27 30 27 30 Sy Lw Lw(hs) Bl Sm Spellman Dark or grey brown cobbly clay loam to light clay with dark Alluvial fans Prairie soil- chernozem, Black Dermosol Gn3.43 751.9 Rb GATTON Cl Bl Bl or brown alkaline medium clay subsoil to 0.1 to 0.4 over black earth Brown Dermosol Ug5.15 Sy Cl brown lighter textured layers, palaeosols or coarse Black Vertosol Ug5.17 Bl Ht(a) Hc bedload. Uf6.32 Lw Cl Gm Bl SOILS OF THE ALLUVIAL FANS AND FLATS DERIVED FROM UPPER MARBURG BEDS Lw(hs) (MIDDLE REACH TRIBUTARIES) Lk(wa) W Bl(l) Hp(r) Lw Cl Cl Ht(a) Ht(a) W Hp W Lk MORTON VALE Sn Sutton Brown hardsetting sandy clay loam to sandy clay with Alluvial fans, local alluvial plains Affinities with red-brown Red Chromosol Dr2.13 456.3 neutral to alkaline red brown sandy clay to sandy medium earth Dr2.32 Cl Sy JOINS MAP P3205 (SHEET 1) HOLCOMB Hp(r) Hp Lk clay subsoil to 0.7 to 1m over brown to red brown layers. Dr2.33 Ww Hp Dn Ly(h) Th Rb Lk Ab Abell Grey brown to brown hardsetting sandy clay with yellow or Alluvial fans, local alluvial plains, Brown earth Brown Dermosol Uf6.31 1004.0 LAKE CLARENDON brown, neutral, sandy clay to sandy medium clay subsoil pediments Uf6.32 Bl(g) Bl(l) Tt(h) Sy Bm Ht to 0.7m to 1m over yellow to brown layers. Uf6.33 Rb Lw Lk Lk Lw Bl(g) Th Ht(a) Gm Geisemann Brown hardsetting sandy clay loam with brown or yellow Mid and lower slopes of alluvial fans Brown earth Brown Kandosol Gn2.22 424.3 Ht Bl Rb W Cl Lk COOLANA brown acid to neutral sandy clay loam to sandy clay Gn3.91 Bl(g) Sy subsoil to 0.7 to 1m over seasonally saturated mottled Gn4.53 Sg Th PRENZLAU Gm Bm Th Bl(l) grey, ferromanganiferous sandy clay and other layers. Bl Lw Hp Ly Bl(l) 55 Lw Lr 55 Rs Sy Sy Ld Laidley Grey brown hardsetting sandy clay loam to sandy medium Lower slopes of alluvial fans and No suitable group Yellow Dermosol Uf6.33 1785.0 clay with variable A horizon development and yellow to alluvial plains Brown Dermosol Gn3.06 Bl Bl(d) GLENORE GROVE 2 Rb Ly brown sandy medium to heavy clay subsoils.