Territory Stories

Report on the Land Units of the Coastal Plains

Details:

Title

Report on the Land Units of the Coastal Plains

Other title

Soils of the coastal plains, Northern Territory, Australia.

Creator

Land Conservation Section

Collection

E-Publications; E-Books; PublicationNT

Date

1970

Location

Coastal Plains of the Northern Territory.; Soils report

Description

These reports describes the land resource mapping over the Northern Territory coastal plains region. The surveyed area was mapped at a scale of 1:50,000. The mapped land units are described using the dominate soils, topography and vegetation. The potential land use and limitations for each land unit are also briefly described.

Notes

There are three different reports attached to this record: Report on the land units of the coastal plains / K.J.Day; Soils of the coastal plains, Northern Territory, Australia / A.D.L. Hooper; and Soils report (coastal plains survey 1968,69,70 / K.J. Day

Language

English

Subject

Coastal ecology - Northern Territory; Land Unit mapping; Coastal Plains

Publisher name

Animal Industry and Agriculture Branch, Northern Territory Administration

Place of publication

Darwin, N. T.

Format

3 volumes, various pagings.

File type

application/pdf

Use

Copyright

Copyright owner

Animal Industry and Agriculture Branch, Northern Territory Administration

License

https://www.legislation.gov.au/Details/C2019C00042

Parent handle

https://hdl.handle.net/10070/257991

Citation address

https://hdl.handle.net/10070/506887

Related items

https://hdl.handle.net/10070/506884; https://hdl.handle.net/10070/506885

Page content

3. 5.6-6.2. it. Ad layers which may underl~ Ab or Abq layers in some soils are also within this range but where Ad layers form the dominant sub type total salt contents range between 0.4% and 1.0% with chlorides 0.03% to 0.4% and reaction is 6.0-6.8. an alkaline reaction (8.0-8.5) and total salt contents between 0.09% and 0.32% with chlorides between 0.03% and 0.17%. Ag layers have high total salt contents of 0.6% but chlorides proportionally lower at 0.1-0.2% and reaction is only slightly acid at 6.0-6.3 (ii) E - Estuarine clay layer of massive, permanently I moist, plastic clays. They underlf the A layers either as distinct lenses or as deep {up to 6 feet) uniform deposits. Colours are olive grey, grey or light greyish brown and are always mottled either dark brown, yellowish bro\fn or brighter yellows and reds. At the interface with the A layer a ~E:~~:i:tional zone occurs where large black inclusions of surface material has dropped into very deep seasonal cracks. Lime and gypsum may be present in the same form as in the A layer. sub-types have been identified: Eb El Ey Er Eg with brown mottles with lime present yellowish brown or~ng_j yellow or red mottles with gypsum present Five Eb layers overlain by Ad layers have total salt contents of 0.2% to 0. with chlorides forming over 50% of the total salts and reaction between 6.5 and 7.5. Where howeve~Al layers i., overl~ Eb the reaction is alkaline 8.3-8.6,total salts are 0.25 to 0. and chlorides range between 0.08% and 0.3%. El layers apparently form only isolated lenses at the surface of the E layer and show reaction of 8.0-8.6 with total salt contents of 0. to 1.0% and chlorides between 0.2% and 0.4%.


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