Territory Stories

Report on the land units of selected areas of Manbulloo Station, N.T., 1976



Report on the land units of selected areas of Manbulloo Station, N.T., 1976

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by C.R. Gibbs, M.R. Wells & H.R.M. van-Cuylenburg.


Gibbs, C. R.; Wells, M. R.; Australia. Dept. of the Northern Territory. Land Conservation Section; Van-Cuylenburg, H. R. M.


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Made available via the Publications (Legal Deposit) Act 2004 (NT).; Supplementary report to be used in conjunction with the Report on the land units of the Katherine-Douglas area, N.T., 1970, by J.M. Aldrick.


Date:1977; Bibliography: leaf 49.




Land use -- Northern Territory -- Manbulloo Station

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Land Conservation Section

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60 leaves : ill., maps ; 30 cm.

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CAINOZOIC Quarternary Alluvial Deposits These consist of alluvium, soil, residual sand and ferruginous material. Geological control of major landscape developments formed on the Daly River Group is generally not marked within the Manbulloo area. This has been due to both the absence of contrast to erosion resistance within the group together with the masking of underlying lithologies by both widespread deep lateritic weathering and extensive alluvial and colluvial deposition, (Mabbutt, J.A., 1965). A comparison of figures 3 with figures 2a and 2b reveals however, that amongst the land systems of greatest agricultural potential i.e. Blain and Kimbyan, there is some degree of correlation with geology. Blain land system is generally formed on the extensive colluvial/alluvial mantle of the Mullaman beds. Because these deposits are arenaceous, almost horizontal and fairly thick, the soils tend to be uniform and sandy. A high degree of soil uniformity has resulted in the occurrence of reasonably large land units within this land system. Kimbyan land system generally occurs on broad, flat plains containing frequent exposures of Cambrian limestones either as pavement, floaters or massive outcrop. The land units within this land system are characteristically less extensive in area. -43

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