Economic potential of glauconitic rocks in Bakchar deposit (S-E Western Siberia) for alternate potash fertilizer

Maxim Rudmin, Santanu Banerjee, Aleksey Mazurov, Boris Makarov, Dmitry Martemyanov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper explores suitability of glauconitic rocks in the Upper Cretaceous Bakchar deposit in Western Siberia as alternate potash fertilizer. The K2O content of these glauconitic rocks varies from 2.5 to 4.1 wt.%, indicating their good potential as K-fertilizer for agronomic uses. According to the different compositional and textural characteristics, glauconitic rocks can be divided into three types, i.e., glauconitolite, glauconitic sandstone and glauconite-chamosite ooidal ironstone, with glauconite concentrations 58.5 wt.%, 25.7 wt.% and 24.6 wt.%, respectively. The intermediate size fraction of glauconitolite concentrates up to 90.4 wt.% of glauconite grains by using wet sieving. Magnetic separation further increases the concentration of glauconite grains for each type of rock samples, especially of glauconitic sandstone. Mixing of glauconitic products with soil increases the germination rate of oat seeds by up to 5.2%, the seedling height records an increase from 0.8% to 18.8%. Both untreated glauconitolite and its granulometric fraction result same rate of growth of oat seedlings. The results of this study suggest that the Bakchar glauconitic deposit can be used as a substitute potash fertilizer, with or without sieving and magnetic separation.

Original languageEnglish
Pages (from-to)225-233
Number of pages9
JournalApplied Clay Science
Volume150
DOIs
Publication statusPublished - 15 Dec 2017

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glauconite
potash
Fertilizers
Deposits
Rocks
fertilizer
Magnetic separation
Economics
sieving
Sandstone
economics
rock
seedling
sandstone
ironstone
Seed
germination
Cretaceous
seed
Soils

Keywords

  • Alternate potash fertilizers
  • Germination rate
  • Glauconitic rocks in Bakchar deposit
  • Granulometric fraction
  • Magnetic separation
  • Western Siberia
  • Wet-dry sieving

ASJC Scopus subject areas

  • Geology
  • Geochemistry and Petrology

Cite this

Economic potential of glauconitic rocks in Bakchar deposit (S-E Western Siberia) for alternate potash fertilizer. / Rudmin, Maxim; Banerjee, Santanu; Mazurov, Aleksey; Makarov, Boris; Martemyanov, Dmitry.

In: Applied Clay Science, Vol. 150, 15.12.2017, p. 225-233.

Research output: Contribution to journalArticle

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