Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO 3) in the form of the mineral calcite. It most commonly forms in clear, warm, shallow marine waters. It is usually an organic sedimentary rock that forms from the accumulation of shell, coral, algal and fecal debris.imestone is by definition a rock that contains at least 50% calcium carbonate in the form of calcite by weight. All limestones contain at least a few percent other materials. These can be small particles of quartz, feldspar, clay minerals, pyrite, siderite and other minerals.
1 To lose belly fat fast, you should try doing several different types of yoga for exercise and stress reduction. 2  Flow yoga burns fat while reducing stress. 3  If you choose to try meditation, it can also help you sleep.
The truth of the matter is that to get rid of belly or any other sort of fat you must reduce your overall body fat percentage. To do this you must burn or metabolize units of energy called calories. The body metabolizes these calories from energy stores it has in it body called fat. Now, it takes 3,500 calories to burn a pound of fat.