no its a sedimentary rock
crushed and broken limestone, including related rocks, such as dolomite, cement rock, marl, travertine and calcareous tufa.
Tufa Lilugu died in 402.
Tufa Rutan died in 415.
Tufa Rutan was born in 365.
Mestawet Tufa was born in 1983.
Tufa Wugu died in 399.
calcareous alge adaptations
calcareous algae
Agron Tufa has written: 'Aty te portat SKEE'
Calcareous ooze is an examploe of biogenous sediment.
an example of calcareous sponge is SPONGE BOB!