thionic


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Related to thionic: thionic acid

thi·on·ic

(thī-on'ik),
Relating to sulfur.

thionic

An obsolete adjective referring to sulphur; sulphurous, sulphuric.

thi·on·ic

(thī-on'ik)
Relating to sulfur.
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References in periodicals archive ?
The interesting feature in the lower terrace is that Gleysols are often strongly acidified and thionic. Because of the lower groundwater table in the middle terrace, iron mottles and concretions are limited to, and less extensive and visible in, the lower profile (Fig.
The presence of Gleyic Hypersalic Solonchaks or Flyposalic Solonchaks (Sulfatic) in the floodplain, Haplic Gleysols (Thionic) in the low terrace and Endogleyic Arenosols in the middle terrace substantiates the importance of gleyic processes for all landscape positions.
Soil distribution is established according to the following pattern: Gleyic Hyposalic and Hypersalic Solonchaks (sulfatic) in the floodplain, Haplic Gleysols (thionic) in the low terrace and Endogleyic Arenosols in the middle terrace.
Coastal acid sulfate soils in the Saloum River basin, Senegal
Gleysols with the thionic (and hyperthionic, protothionic) suffix qualifier are the equivalent of the various Sulfidic/Sulfuric Hydrosols.
Hydrosols with sulfidic or sulfuric great groups were correlated with some RSGs that have a thionic suffix qualifier.
The World Reference Base for soils (WRB) and Soil taxonomy: an appraisal of their application to the soils of the Northern Rivers of New South Wales

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