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Carbonate-containing salts are industrially and minerologically ubiquitous. The term "carbonate" is also commonly used to refer to one of these salts. Most common is limestone, or calcium carbonate.

The term is also used as a verb, to describe the process of raising carbonate and bicarbonate concentrations in water, see also carbonated water, either by the introduction under pressure of carbon dioxide gas into the water, or by dissoving carbonate or bicarbonate salts into the water.

At one time, it was thought that the presence of carbonates in rock was unequivocal evidence for the presence of liquid water. Recent observations of two planetary nebulae reported in the January 17, 20022002 is a common year starting on Tuesday (see link for calendar). 2002 was the first palindromic year since 1991 and the last until 2112. 2002 was also designated: International Year of Ecotourism and Mountains National Science Year in the United Kingdom issue of the scientific journal NatureNature is one of the oldest and most reputable general-purpose scientific journals, first published on November 4, 1869. Although most scientific journals are now highly specialized, Nature still publishes articles across a wide range of scientific fields indicate that carbonates can form in interplanetary space.

Carbonates were detected in the Gusev CraterGusev is also the name of a crater on Mars. Gusev Crater is a meteor crater in Russia. It is 3 km in diameter and the age is estimated to be 49. 2 million years old. The crater is not exposed to the surface. It and the neighboring Kamensk form a double cr on Mars by the Mars Exploration Rover Spirit on January 9January 9 is the 9th day of the year in the Gregorian calendar. There are 356 days remaining (357 in leap years). Events upto 19th century 1760 Afghans defeat Marathas in Battle of Barari Ghat. 1768 Philip Astley stages the first modern circus ( London)., 20042004 is a leap year starting on Thursday (the link is to a full 2004 calendar), and has also been designated the: International Year of Rice International Year to Commemorate the Struggle against Slavery and its Abolition Elections are to be held in 73 co. [1]