Texas Center for Proton Therapy brings innovative cancer treatment to Dallas-Fort Worth. By Claire St. Amant, The Influentials-News-CultureMap Dallas.cheduled to start accepting patients in 2016, the $105 million center is breaking ground in Las Colinas on May 15 thanks to Texas Oncology. Proton Therapy is a relatively new form of radiation treatment that uses a proton beam to damage the DNA of cancer cells.
A coral reef is made of thin layers of calcium carbonate. Coral polyps form a living mat over a calcium carbonate skeleton. Stony corals (or scleractinians) are the corals primarily responsible for laying the foundations of, and building up, reef structures.
Micritic limestone is made of microcrystalline calcite like the original carbonate mud. Fossiliferous limestone is made of a large proportion of fossil fragments and the balance of the rock is either carbonate mud, carbonate cement (sparry calcite crystals between grains), or a mixture of both.