tufa


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Related to tufa: Melungeon, TYFA

tufa:

see travertinetravertine
, form of massive calcium carbonate, CaCO3, resulting from deposition by springs or rivers. It is often beautifully colored and banded as a result of the presence of iron compounds or other (e.g., organic) impurities.
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tufa

[′tü·fə]
(geology)
A spongy, porous limestone formed by precipitation from evaporating spring and river waters, often onto leaves and stems of neighboring plants. Also known as calcareous sinter; calcareous tufa.

tufa

A porous limestone used in masonry construction.

tufa

a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
References in periodicals archive ?
(60.) For a more or less explicit recognition of this point, see Lu Hui, Jundui chuzhi tufa shijian, pp.
Additionally, variations in tufa textures microscopically viewed in thin section can be used to interpret sources and geochemical conditions (Pedley, 1990; Liutkus, 2009).
Correlatable tufa deposits were studied and described in North Africa, at the edge of Libyan Plateau (Luo et al.
There is a growing interest in the geochemical parameters of freshwater carbonates from various environmental disciplines, with recent studies providing new insights into the behaviour of trace elements within tufa systems (Rogerson et al.
Recipes include Almond Ricotta, Hot Garlic Dip for Raw Vegetables, Stuffed Crepes, Crispy Eggplant Croquettes, Lemon-Rosemary Breast of Tufa, and even vegan Tiramisu.
Flock could have been digital tufa, rooted to the landscape.
Kuma also talked about respecting the 'spirit of the material', which could be anything from timber in Japan to the soft volcanic tufa stone found near Vesuvius in southern Italy.
Techniques as diverse as pulling wire, tufa casting, and cutting and polishing stones are succinctly explained and often illustrated with photographs of Johnson at work.
TALENT Trail 2010 winner Mustafa 'Tufa' El Hajj was back on the small screen performing live on last week's Music Mania show on Bahrain TV.