a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
同义词:calc-tufa
hard volcanic rock composed of compacted volcanic ash
同义词:tuff
tufa例句
The late-Holocene tufa decline in Europe A World review of tufa and travertine deposits A review of tufa and travertine deposits of the world Evolutionary transfer of the chloroplast tufA gene to the nucleus. Phylogenetic analysis of tufA sequences indicates a cyanobacterial origin of all plastids Different fates of the chloroplast tufA gene following its transfer to the nucleus in green algae Biological and diagenetic influence in Recent and fossil tufa deposits from Belgium Cyanobacterial tufa calcification in two freshwater streams: ambient environment, chemical thresholds and biological processes MOLECULAR PHYLOGENY OF THE GENUS CAULERPA (CAULERPALES, CHLOROPHYTA) INFERRED FROM CHLOROPLAST tufA GENE1 From the Western Alps across Central Europe: Postglacial recolonisation of the tufa stream specialist Rhyacophila pubescens (Insect...