WHAT IS TUFA?
- Tufa (pronounced toofa) is formed when water evaporates from lime-rich waters, leaving calcite (calcium carbonate) to crystallize, often with impurities of iron oxides (rust) which gives it its yellow, beige and red brown colorations. – Rod Sykes…The History of Tufa Rock ’02
- Tufa is a rough, thick, rock-like calcium carbonate deposit that forms by precipitation from bodies of water with a high dissolved calcium content. Tufa deposition occurs in several known ways:
- – Mechanical precipitation by wave action against the shore. This form of tufa can be used for identifying the shoreline of extinct lakes (for example in the Lake Lahontan region)
- – Precipitation from supersaturated hot spring water entering cooler lake water.
- – Precipitation in lake-bottom sediments which are fed by hot springs from below.
- – Precipitation from calcium-bearing spring water in an alkaline lake rich in carbonates.
- – Precipitation throughout the lake as the lake dries out.
- – Through the agency of algae. Microbial influence is often vital to tufa precipitation.
- – Precipitation from cold water springs (for example in the foothills of the Rocky Mountains near Hinton, Alberta.
There are some prominent “towers” of Tufa at Mono Lake and Trona Pinnacles in California, formed by #4 method mentioned above. Tufa is also common in Armenia. The word “Tufa” is commonly confused in name by laypersons with the rock type “tuff”, which is a rock formed from welded volcanic ash. These rocks are totally different from each other. – From Wikipedia, the free encyclopedia.
USES FOR TUFA ROCK:
- Crevice gardens
- Water pond features
- Indoor & outdoor fountains
- Informal alpine rockeries
- Bonsai planters
- Rock carvings
- Naturalizing a dry meadow plain
- Naturalizing a wet or dry creek bed
- Forming a rock wall
- For fish interest in aquariums
TUFA ROCK Chunks are available in various sized pieces, naturally broken, leaving designs on the surface as nature formed it. Sold by the pound.
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