calc-tuffn.

/ˈkalkˈtʌf/

Etymology: see calc- comb. form.

Mineralogy.

A porous deposit of carbonate of lime, formed by the waters of calcareous springs; calcareous tufa.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > calcareous tuff

tophus1555

calcareous tuff1569

calcareous tufa1811

calc-tuff1822

schaalstein1866

1822 D. Lowry Conversat. Mineral. II. 265 Acidiferous Earthy Minerals..Calc-tuff.

1856 D. Page Adv. Text-bk. Geol. 253 Calc-tuff..is an open, porous, and somewhat earthy deposition of carbonate of lime from calcareous springs.

1863 H. Watts Dict. Chem. I. 722 Calctuff, an alluvial form of carbonate of calcium.

This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2018).

单词	calc-tuff
释义	calc-tuffn. /ˈkalkˈtʌf/ Etymology: see calc- comb. form. Mineralogy. A porous deposit of carbonate of lime, formed by the waters of calcareous springs; calcareous tufa. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > calcareous tuff tophus1555 calcareous tuff1569 calcareous tufa1811 calc-tuff1822 schaalstein1866 1822 D. Lowry Conversat. Mineral. II. 265 Acidiferous Earthy Minerals..Calc-tuff. 1856 D. Page Adv. Text-bk. Geol. 253 Calc-tuff..is an open, porous, and somewhat earthy deposition of carbonate of lime from calcareous springs. 1863 H. Watts Dict. Chem. I. 722 Calctuff, an alluvial form of carbonate of calcium. This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2018). < n.1822
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