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.
Abdominal exercises are used to build and strengthen abdominal muscles and not to lose your belly fat. 1  Spot Reduction is a myth. You cannot reduce fat in one area of your body and the same is applicable for belly fat too. 2  An exercise routine is highly recommended if you want to lose belly fat.