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/ˈt(j)uːfə/ · noun
Calcareous lime deposited by precipitation from a body of water, such as a hot spring..
B.J. Szabo presented the results of a survey of the tufa mounds that border Pyramid Lake indicating that uranium-series methods can be used to approximate the ages of such tufa deposits. In the Pyramid Lake Basin, tufas less than 50,000 years old contain large quantities of excess thorium, and the error in age estimates made using uranium-series methods is not small enough to confirm results from ¹⁴C determinations.
Resedimented tufas also contribute where erosion has washed detritus from other hillside tufa deposits.
The tufas at Tianshengqiao have different shapes in different development stages and in different structural sections.
1825, "Oliver Oldschool" (Joseph Dennie), John Elihu Hall (editors), The Port Folio, page 426, This again is followed by a bed of stony tufa of a reddish colour, containing fragments of a spongy lava, amphigone, pyroxene, mica, and common lava; and, like the former, traversed by argillaceous veins.
Use tufa when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Tufa means Calcareous lime deposited by precipitation from a body of water, such as a hot spring..
Common synonyms include tuff.
The opposite depends on the specific sense.
B.J. Szabo presented the results of a survey of the tufa mounds that border Pyramid Lake indicating that uranium-series methods can be used to approximate the ages of such tufa deposits. In the Pyramid Lake Basin, tufas less than 50,000 years old contain large quantities of excess thorium, and the error in age estimates made using uranium-series methods is not small enough to confirm results from ¹⁴C determinations.
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