The land resources of Cobourg Peninsula
by B. Wood and D. Sivertsen
Wood, B.; Sivertsen, D.; Conservation Commission of the Northern Territory
E-Publications; E-Books; PublicationNT
Made available via the Publications (Legal Deposit) Act 2004 (NT).; This report describes a land system survey over the Cobourg Peninsula broadly describing landform, soils and vegetation to assist the effective planning and management of the area as a National Park.
1. Introduction -- 2. Summary Descriptions -- 3. Land Systems -- 4. Soils -- 5. Vegetation -- Appendices -- Acknowledgements.
Land use -- Northern Territory -- Cobourg Peninsula; Vegetation mapping -- Northern Territory -- Cobourg Peninsula
Conservation Commission of the Northern Territory
iv, 80,  p. : col. ills. ; 30 cm.
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10. Yellow and Lateritic Podzol ics Croker so il s are common on the 1 owl and areas of the southern areas of the park. All soils are texture contrast, sands over mottled clays. In some instances it is possible to postulate a polygenetic profile with c<?lluvial sand washing over soil formed on the K~olinised Wangarlu mudstones, espec ially where horizonation is so marked. However in other instances, pro files exhibit the 'classic' lateritic podzol ic profiles with well develop ed A2 horizons over pale mottled claying B horizons with appreciable amo~nts of hardened ferruginous gravel .. in the lower A or upper B hori zon. All Croker "soil s are drained slowly and the subsoil s will remain wet fo r long per i od s . Me7a7uca viridif7ora. Usually there is a characteristic open woodland of A typical profile (Dy3.21): HORIZON Al BIC C DEPTH 0-15 15-35 35-85 85-100 100-135 90 to 150 DESCRIPTION Dark -brown (10R 3/3);- loamy sand; massive; earthy; slightly moist, moderately weak; pH 6.5 Yellowish brown (10YR 5/4); sandy loam; massive;- earthy; moderately moist, moderately weak; pH 6.0 Yellowish-brown -(10YR 5/8), 20% red mottling; sandy-clay loam; massive; earthy; moderately moist, moderately firm; pH 6.0 Yellowish brown (10YR 5/8), prominent red mottling;- light medium clay;-massive;earthy; moderately moist, moderately firm; pH 5.5; 80% case hardened and soft ferrug inous gravels Light brownish grey-(10YR 6/2), distinct red mottling; heavy clay; ma-ssive;~ earthy; moderately moist, very strong; pH 5.5 Highl Y mottl ed (r-ed, ye-llow, grey) -; sandyclay loam; massive; earthy; moderately moist, moderately- weak consistence; pH 6.0; 40%, 10mm ferruginous gravels. - 57
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