Territory Stories

Ti-Tree Groundwater Basin Geohydrology BOOKS 1 and 2.

Details:

Title

Ti-Tree Groundwater Basin Geohydrology BOOKS 1 and 2.

Creator

Ride, G.

Collection

E-Publications; E-Books; PublicationNT; Report ; 6/1968

Date

1968-06-01

Description

Made available via the Publications (Legal Deposit) Act 2004 (NT).

Notes

Date:1968-06

Language

English

Publisher name

Northern Territory Administration

Place of publication

Alice Springs

Series

Report ; 6/1968

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/229585

Citation address

https://hdl.handle.net/10070/672821

Page content

Technical Report WRA68006 Viewed at 05:02:51 on 18/02/2010 Page 15 of 169. 6 Some L~dication of the variation in the composition of the bed can be sea~ froill the description ascribed to strata samples by ~~e Resident Geologist. I~ bore 75/95 the bed is described as _ lIa pale bro'7,rn argillaceous, silty coarse, loose quartzose sandstone 'llith some gravel conglomera.te!: Further East along ohe 95 North grid line at bore 155/95 _ lIa sil t,y grey oro7m argillao 30US fine grOlll1d. slig..1.tly i..11.durated loose quartzite sandstonell To the South along the 130 East grid line at bore 130/77.5 _ !la cream_grey slightly clayey fine to medium g:rained q,uartzy sandstone with SOTIe claystone fragments II At bore 130/42.5 the bed is described as _ He. clayey, poorly sorted, loose angulax quartzose sand with slightly indtll'ated cl8JTstone fragmer1.ts!f Most bores drilled through the brm<:!l. sandy clay bed passed through grael in the first twenty feet,. In localities where the gravel is associated with JO'.edium and coaxse sand, the porosity of the bed could be high and induoive to r<ccharge. Gnerally the strata is sil ty or clayey ir.. the top scq'.J.ence, the proportiop-. of sand :end grain size i.."Ilcreasi.llg towards the base of -the bed. This is particularly true along the 95 North grid lL"l8, where at the base of this bed, there is a silty, coarse sand aquifer. lUang the southe....-rn extremity of the 130 East grid line, the lower lE;Yer is claystone. Grey Sandy Clays'co:c,e: The bed below the brown sendy clay ULi t contains the major aquifers 0...'1 the area. T:.'lis bed has been vaxiously described as: a sandy grey laterite and clay grey sil ts tone gray clayey sandstone greenish-grey sar,dy clay with fine to coarse loose quartz sand Drilling cuttings of this strata are a grey sandy mud givo...'1g very li ttle L~dicaticn of havi.'1g eny permeability. Core saJO'.ples show the strata to be consolidated, Yug~lar, grey sendy claystone.


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