Remote sensing for resources development and environmental management: Remote sensing for resources development and environmental management

damen, m. c. j.

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Multivolume work

Persistent identifier:: 856342815

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856342815

Language:: English

Additional Notes:: Volume 1-3 erschienen von 1986-1988

Editor:: Damen, M. C. J.

Document type:: Multivolume work

Volume

Persistent identifier:: 856641294

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Scope:: IX Seiten, Seiten 551-956

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A,. A. Balkema

Identifier (digital):: 856641294

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(26,7,2)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: Damen, M. C. J.

Editor:: International Society for Photogrammetry and Remote Sensing, Commission of Photographic and Remote Sensing Data

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: 5 Non-renewable resources: Geology, geomorphology and engineering projects. Chairman: J. V. Taranik, Liaison: B. N. Koopmans

Write comment:: Wegen zu enger Bindung kommt es teilweise im Original zu Textverlust.

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: An evaluation of potential uranium deposit area by Landsat data analysis in Officer basin, South-Western part of Australia. H. Wada & K. Koide, Y. Maruyama & M. Nasu

Document type:: Multivolume work

Structure type:: Chapter

679 ty of aerial iphs at various Leal mapping. ?rnational In- 1 Earth Scien- ?therlands. landslides in ;ineering pra- >c. America mses and eff- •214). iang 1978. Lan- , National Ac- i D.C. > used in stu- !G. Ne. 17 Islides and academy of 3c- Symposium on Remote Sensing for Resources Development and Environmental Management / Enschede / August 1986 An evaluation of potential uranium deposit area by Landsat data analysis in Officer basin, South-Western part of Australia H.Wada & K.Koide Power Reactor and Nuclear Fuel Development Corporation, Tokyo, Japan Y.Maruyama & M.Nasu Asia Air Survey Co. Ltd, Tokyo, Japan ABSTRACT: An evaluation of potential uranium deposition area was carried out by the Landsat MSS data analysis. As a denominator land coverage, depth of basement rock and density of vegetation are chosen. The area well evaluated in Officer basin area lie on the mining or the prospecting area at present time. 1 INTRODUCTION Economic uranium mine is identified into some typical type by geological condition, (1) sedimentary deposit (2) related with unconformity (3) hydro thermal type (4) volcanic origin, etc. The purpouse of this study is to evaluate the possible area of sedimentarty ura nium deposit with using Landsat imagery. In general, the ultimate sources of uranium are granite, granitic detritus, and silicic volcanic ash and flows. Uranium was leached from the source rocks and transported in solution by oxygen-rich ground water and then migrated into porous sandstone or con glomerate beds. Within these eventual host rocks the migrating water encountered reducing conditions caus ed by the presence of organic material, natural gas or hydrogen sulfide,etc. The environment of chemical change from oxidizing to reducing caused the uranium to precipitate as oxide minerals, primarily uraninite, which coat sand grains and fill pore spaces in the host rock. According to these processes of develop ment the environment of uranium deposition can be estimated to have following conditions. A. The area is surrounded by the mountains composed of the ultimate source of uranium such as granitic rocks. B. The depositional condition (1) The area of sedimentary rocks distribution is extensive. (2) The thickness of sedimentary rocks is high (possiblity of ground water). (3) Existing the high porocity in the bed (host rock). (4) Succesion of high porocity zone (paleo chan nel) . (5) The reducing agent : organic material or natu ral gas in the host rocks. The sedimentary uranium deposit can be realized under two conditions, one is the area suppling urani um to oxdized ground water and the other is the re ducing zone to precipitate it in the sedimentary rocks. All of the condition for uranium deposition, which mentioned above is not possible to be analysed only by Landsat imagery. Thus, the some of those condi tion for uranium deposition are analysed by Landsat MSS data in this paper. And evaluation of the possi ble area was taken place from the view points of the thickness and extent of sediments and succession of high porocity zone (paleo channel). 2 AREA STUDIED 2.1 Location The area studied is located in the southern part of Officer basin, South-east Australia. There is among Figure 1. Location of studied area Long. 122°30’ - 125°00' E and Lat. 28°00' ~31°00' N (Fig. 1). 2.2 Topography and climate It is on the south-western part of Great victoria desert. The basin generally is flat or gently undu lated, of which is mainly sand dune. Climatic condition is arid ~ semi arid. As annual amount of presipitation is l80 ~ 200 mm and evapora tion is more than 2000 mm, the river is dried up in the most of year. Average temperature is 30 ~ 35°C in summer and is 18°C in winter. Area is covered by barren vegetation such as spiniphex, marry, marblegum, etc. 2.3 Geology Geological structure of West Australia is composed of pre-Cambrian western shield and some of the sedi mentary basin on it. Officer basin extending on the eastern margin of Yilgam block is composed of granitic and metamorphic rock. Sedimentation was taken place during lower Pa leozoic to Tertiary under the neritic and continental environment. Lower part of sedimentary rocks is called Patterson formation which is clay dominant Permian system. This formation was eroded to make the continuous valley in it. Sedimentation in Creta ceous and Tertiary covered these valley unconformably. They are composed of conglomerates, sandstone, silt and clay.

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