The use of plants as indicators in prospecting for minerals is discussed on a broad scale from the standpoints both of available literature and. Geobotanical methods of prospecting involve the use of vegetation for identification of the nature and properties of the substrate. Paradoxically. Two methods of botanical prospecting for uranium deposits have been applied on the .. , Geobotanical reconnaissance near Grants, N. Mex.: U. S. Geol.
|Published (Last):||27 January 2008|
|PDF File Size:||16.35 Mb|
|ePub File Size:||14.17 Mb|
|Price:||Free* [*Free Regsitration Required]|
Gwobotanical method has evolved over the years and now more than a hundred species have been recognized as indicators of the presence of a number of elements, including ore metals. Plant morphology and physiology are profoundly influenced by the chemical composition of sub-surface ore bodies and groundwater regime.
And shortly after the Chernobyl or Tchernobyl nuclear disaster, a quart jar of pickled gfobotanical set off a metal detector in Russia. The connection arose out of an agricultural interest concerning soil compositions. In Australia, the same tree is a rapid grower to double the California height. Plant ash is analyzed directly for the determination of uranium content.
The Book of Master Wen, compiled about AD but containing material of the prospceting century BC, says that in areas where jade is found, tree branches tend to droop. Prospectjng Last edited by prairiepup; Apr 21, at They also looked for color changes in the surrounding ground. For example, the Viscaria Mine in Sweden was named after the plant Silene suecica syn.
Name of the plant in the figure below is Astraqualus sp.
It is therefore safe to assume that, although the primary interest was agricultural, geobotany was beginning by that time to be used for prospecting as well. The geobotanlcal of geobotanical prospecting in China go back to the preoccupation with the nature of different types of soil and their suitability for crops.
Environment and Geology Ek Sparsh http: All times are GMT A “most faithful” indicator plant is Ocimum centraliafricanumthe “copper plant” or “copper flower” formerly known as Becium hombleifound only on copper and nickel containing soils in central to southern Africa. It was suggested that in the absence of certain metals, the anthocyanins for red oxonium salts which become blue when they are complexed with excessive amounts of iron, aluminium, or other elements.
The tragacanth source of gum tragacanth, once widely used in pharmacy is quite insensitive to selenium in the soil, which poisons other plants. The majority of flower colours are produced by a surprisingly small number of pigments. In modern times insufficient attention has been paid to this practice, and many of the ancient Chinese findings have not been investigated.
Environment and Geology: Geobotanical methods for prospecting uranium deposits.
A particular type of alyssum Prospecing bertoloni is highly tolerant to nickel, and is a classic indicator of that metal’s presence. Newer Post Older Post Home. The Chinese were the first people to notice and use the connection between the types of vegetation which grow in certain areas and the minerals to be found underground at the same localities.
The first method is based upon the presence of uranium in all plants in small but measurable amounts. It will also cover impact of environment and geology on the human civilization. Radon in groundwater from India- a brief report. Unusual and unpredictable changes of form are produced by radioactivity.
Plants are the only parts of the prospecting prism which extend through several of the layers simultaneously. Geobotanical methods for prospecting uranium depos The first result of mild doses of radioactivity is a stimulatory effect on the vegetation.
This page was last edited on 13 Julyat A curious ancient book geobotanicak The Classic of Mountains and Rivers, made up of material from between BC and BC, mentions that the plant hui-t’ang grows near gold ore.
Prion Books Limited pages. Colour changes in flowers are usually the result of either radioactivity or of the presence of certain elements in the soils. Variations was found in fruit of the bog bilberry vaccinium uliginosum growing in a radioactive area at Great Bear Lake in Canada. Many of the gold bugs think the Desert Trumpet will lead you to the gold!
Prospscting sandstone type of uranium deposit contains an appreciable amount of selenium and sulphur.
In recent years, geobotanical methods have become useful in the identification of uranium- ore deposits particularly in areas of dense vegetation.
The theory behind such colour changes is interesting and may have bearing on mineral exploration. There is, however, ample evidence that even fairly low levels of radiation can produce morphological changes in plants over propsecting prolonged period.
It is claimed that the main advantage of biogeochemical prospecting compared with other geochemical methods lies in its power of penetration through a non mineralized over burden. Haggerty identified Pandanus candelabrum as a botanical indicator for kimberlite pipes, a source of mined diamonds. Last edited by prairiepup; Apr 21, at Mercury can be concentrated in certain fungi.