Territory Stories

The land resources of Cobourg Peninsula

Details:

Title

The land resources of Cobourg Peninsula

Other title

by B. Wood and D. Sivertsen

Creator

Wood, B.; Sivertsen, D.; Conservation Commission of the Northern Territory

Collection

E-Publications; E-Books; PublicationNT

Date

1986-02-26

Location

Cobourg Peninsula

Description

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.

Notes

Date:1986

Table of contents

1. Introduction -- 2. Summary Descriptions -- 3. Land Systems -- 4. Soils -- 5. Vegetation -- Appendices -- Acknowledgements.

Language

English

Subject

Land use -- Northern Territory -- Cobourg Peninsula; Vegetation mapping -- Northern Territory -- Cobourg Peninsula

Publisher name

Conservation Commission of the Northern Territory

Place of publication

Darwin

Format

iv, 80, [6] p. : col. ills. ; 30 cm.

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Related links

http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB77120E006B6E040CD9B0F274EFE; http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB77120E006B6E040CD9B0F274EFE [NTLIS Metadata Tool]

Parent handle

https://hdl.handle.net/10070/236288

Citation address

https://hdl.handle.net/10070/642546

Page content

''>~' TABLE \.1 ~ . .J SUHHARy'Or'/CLASSIFICATION ANO DESCRIPTION OF THE SOILS OF COBiJ';j~G PENINSULA GREAT SOIL GROUP As per Stace (1968) 1. Solonchak 2. Alluvial Soils 3. Lithosols 4. Calcareous Sands 5. Siliceous Sands 6. Earthy Sands 7. Grey, Brown and Red Clays 8. Red Earths Red Earth "Lateritic" FACTUAL SOIL CLASS based on Northcote (1974) Grey, massive cracking clays FAMIL Y CARI:lEliURLA SALINE..tilJD Coarse to medium textured soils with SKELETAL-SOILS little pedological organisation Cal careou s sands UUt:lLSAfWS Bl eached Sands KAI:lALGA Pale sands with a colour B horizon ROWEN (EVITYflT Non cracking dense and plastic clays CDELAND Red massive earths KlLLUP~A Red massive earths aE.RRlM.AH Red massive earths H.OlIiAM Red massive earths PLSO 9. Yellow Earths Yellow massive earths RAMll Yellow Earths "Lateritic" Yellow massive earths G.lLES 10. Podzolics - "Lateritic and Mottled yellow duplex soils CROKER Yellow" (apedal and pedal) 11. Humic Gleys* WRION * No sites examined in detail SUMMARY DESCRIPTION Saline estuarine clays over olive grey clay subsoils, high pH throughout, often soft puffy surface crusts. Subject to marine inundation (Ug5.5, 6.2) Layered clay and fine sands under mangroves and bordering tidal channels. Subject to frequent tidal inundation. (Uf, Urn) Shallow, stony, gravelly soils on ferruginous sandstones, and siltstones in the area. (Ucl, Um1). Uniform textured coarse grained sandy and gritty soils of the coastal dune complexes, sand and shell grit ridges. (Ucl.1) Light greyish sands fringing drainage floors, forming seepage areas, characteristic pale subsoil with a conspicuously bleached A2 horizon normally present, overlying a mottled clay. (Uc2). Very deep brownish yellow sands, formed from Quarternary sands overlying weathered kaolinized sediments. (Uc4.2) Brown, to olive brown clays formed on the Wangarlu mudstones, moderately deep to deep, alkaline, commonly with small amounts of ferruginous gravels. (Uf6.53, .62) Deep, sandy red earths, gravel free, well drained sand to loamy sand grading into a sandy clay loam. (Gn2.11, .14) Deep, loamy red earths, gravel-free, loamy surface grading into a clay loam or light clay subsoil. (Gn2.11, .14) Shallow gravelly loamy red earths, high proportion of ferriguinous gravels throughout, formed on laterite. Often grading into lithosols. (KS Gn2.11) Moderately deep to deep gravelly loamy red earths, high proportion of pisolithic gravel throughout. Formed in bauxitic area. (KS Gn2.11, .14) Deep, yellow earths, sandy loam to loam surfaces grading into light clay subsoils. Mottling and ferruginous gravels at depth. Moderately deep to deep, gravelly sandy yellow earths formed on laterite. High proportion of ferruginous gravel throughout, sandy surfaces grading into sandy clay loam. Mottled subsoil. Slow internal drainage. (KS Gn2.24) Deep, duplex textured soils, sand to loamy sands over a mottled (red) yellow brown clay grading into a pale clay. Usually high amounts of ferruginous gravels occur in the upper B horizon. Formed on the Kaolinized upper Cretaceous surface. Slow to very slow internal drainage. (Dy3.21, 5.61) Deep uniform or duplex textur.ed SOils, organic surfaces over mottled, gleyed sands or clays. Permanently wet soils. Drainage and swamp soils.


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