Land resources of the Victoria River District
Napier, Diane E; Hill, Jason V; Northern Territory. Department of Land Resource Management. Land Resource Assessment Branch
E-Publications; E-Books; PublicationNT; Technical Report Number 19/2012
This Technical Report describes a land resource survey. It was mapped at a survey scale of 1:100 000 and includes a description of the landforms, soils and vegetation for 237 land units. The surveyed area of 74 502km2 is located 700km south west of Darwin and covers 23 major land holdings in the Victoria River District, (VRD) Northern Territory. The objectives of the project were to map, describe and evaluate the pastoral lands of the VRD and provide this information to land managers, industry, government and other relevant stakeholders.
Made available via the Publications (Legal Deposit) Act 2004 (NT)
1. Introduction; 2. Previous Mapping; 3. Survey Collection Methodology and Data Collection; 4. Lithology and Stratigraphy; 5. Landform; 6. Soil Classification; 7. Vegetation; 8. Land Evaluation; 9. Soil Erosion; 10. Land Unit Descriptions; References; Appendices x 10. Tables x 49. Figures x 10.
Soils -- Northern Territory -- Victoria River; Land use -- Northern Territory -- Victoria River; Geology -- Northern Territory -- Victoria River
Northern Territory Government
Technical Report Number 19/2012
vii, 363 pages : colour illustrations and maps ; 30 cm.
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
1717 of the Victoria River DistrictLAND RESOURCES 17 4.4. Ferruginous The ferruginous group includes a diverse mix of weathered lateritic ferruginous materials from petroferric layers containing ferruginous, ferromanganiferous nodules cemented in place into indurated blocks or large irregular fragments (Isbell, 2002) through to ferruginised sandstone and siltstone. In the cases of ferruginous sandstone and siltstone the ferruginisation was believed to have had a prevailing influence on the formation of the soil landscape. The ferruginous group is a large generally continuous block in the south west and southern part of the survey. It is the second largest lithological group. The landscapes are dissected by large alluvial and colluvial plains evident on Riveren, Inverway and Bunda stations along the Buntine Highway south west of Kalkarindji. On Birrindudu and Wallamunga the ferruginous landscapes are dissected by alluvial plains but also extensive drainage systems and wetlands. The eastern areas are largely remnant lateritic landscapes associated with the Sturt Plateau. Plains and rises are the most extensive ferruginous landforms but also encompass plateaux, mesas and escarpments. These are particularly picturesque at the northern boundary of Inverway on the old road to Nelson Springs. The ferruginous landscapes are dominated by sequioxide siliceous soil profiles and in some cases combined with manganese material formed in situ at depth. The soils of this group are generally red and brown massive earths and sands (Red and Brown Kandosols and Orthic Tenosols), with and without ironstone gravels at varying depths. Eucalyptus brevifolia and the Corymbia dichromophloia (Variable barked bloodwood), Eucalyptus brevifolia low open woodland communities are widespread in these landscapes. The latter is usually associated with the largely remnant lateritic landscapes influenced by the Sturt Plateau. Similarly Acacia lysiphloia (Turpentine wattle) or other Acacia sp., shrublands are common and can be readily seen along the Buntine Highway south of Kalkarindji. The Eucalyptus chlorophylla (Glossy leaved box) low open woodland communities that are absent from the northern VRD are common on the flat ferruginous landscapes particularly further south on Birrindudu and Wallamanga stations. 4.5. Sandstone The sandstone landscape dominates the rugged terrain in the central and northern areas. The northern area is associated with the Pinkerton Range on Newry station and east to the Nagurunguru Aboriginal Land Trust (Aminbidji) and Jasper Gorge in Judbarra / Gregory National Park. In the central and southern VRD the sandstone landscapes centre on the rugged terrain of Judbarra / Gregory National Park. Although the sandstone lithology group is predominately rugged hills and rises it also includes large areas of gently undulating and undulating plains. A patchwork of sandstone outliers is also common throughout the region. The soil landscape of this group is generally rock strewn with very shallow sands (Rudosols) and some shallow brown earths (shallow Kandosols). Some deeper soils with probably some influence of colluvium have formed across the plains. These landscapes are commonly inhabited by low open woodland communities of either Eucalyptus brevifolia or Corymbia dichromophloia or a combination of both species with either a Triodia bitextura (Curly spinifex) and/or Triodia pungens (Gummy spinifex) understorey. Hummock grasslands with scattered trees are also prevalent. Eucalyptus pruinosa low open woodland communities although not as widespread also occur. In the north west the Melaleuca minutifolia (Teatree) low open woodlands/shrublands that are largely absent elsewhere in the district become increasingly widespread and are common west of Timber Creek.
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