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.
Adding a light weight â around 5 pounds â makes this exercise even more effective for those wondering how to burn belly fat in a week so you can surely use this strategy for getting rid of excess pounds around your waist faster.n order to burn belly fat fast without putting your health at risk you can replace your regular breakfast with oatmeal â try this for a week and get ready to see your flatter and better defined stomach!