Loesses as a result of evolution of the water-rock system under weak water exchange

S. L. Shvartsev

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Выдержка

Analysis of the natural abundance of loesses showed that they occur in the same zones as sodic waters, namely, forest-steppe, steppe and mountain-steppe landscapes with a weak water exchange (subsurface runoff is <0.3 l/s.km 2).Thermodynamic calculation of the sodic-water-rock equilibrium evidences that thewaters are always in equilibrium with montmorillonite, hydromica, kaolinite, and calcite but are in nonequilibrium with endogenous aluminosilicates. Therefore, in alkaline media sodic waters permanently (though slowly) dissolve terrigenous sediments and form clays and calcite, i.e., a complex of secondary deposits called loesses. The conclusion has been drawn that loesses and sodic waters are paragenetic products of the same geologic process running at the particular stage of evolution of thewater-rock system. This stage is to be called sodic or sodic-loess.

Язык оригиналаАнглийский
Название основной публикацииWater-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12
Страницы153-156
Число страниц4
Том1
СостояниеОпубликовано - 1 дек 2007
Событие12th International Symposium on Water-Rock Interaction, WRI-12 - Kunming, Китай
Продолжительность: 31 июл 20074 авг 2007

Другое

Другое12th International Symposium on Water-Rock Interaction, WRI-12
СтранаКитай
ГородKunming
Период31.7.074.8.07

Отпечаток

water exchange
Rocks
Water
steppe
rock
Calcium Carbonate
calcite
water
forest-steppe
aluminosilicate
Bentonite
Kaolin
montmorillonite
loess
kaolinite
Runoff
thermodynamics
runoff
Sediments
clay

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Water Science and Technology

Цитировать

Shvartsev, S. L. (2007). Loesses as a result of evolution of the water-rock system under weak water exchange. В Water-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12 (Том 1, стр. 153-156)

Loesses as a result of evolution of the water-rock system under weak water exchange. / Shvartsev, S. L.

Water-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12. Том 1 2007. стр. 153-156.

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Shvartsev, SL 2007, Loesses as a result of evolution of the water-rock system under weak water exchange. в Water-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12. том. 1, стр. 153-156, Kunming, Китай, 31.7.07.
Shvartsev SL. Loesses as a result of evolution of the water-rock system under weak water exchange. В Water-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12. Том 1. 2007. стр. 153-156
Shvartsev, S. L. / Loesses as a result of evolution of the water-rock system under weak water exchange. Water-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12. Том 1 2007. стр. 153-156
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