They are also called an intermediary. The decision made by an FI or a carrier under medicare part A or part B is called the local coverage determination (LCD).
The Lower Mantle, which is 49.2% of the Earth's mass.
The upper mantle is primarily peridotite. Peridotite is an iron-rich rock that contains a high percentage of olivine. The mantle extends from the lithosphere to the core of the Earth. It is 2,890 kilometers thick and contains 84% of the Earth's volume. It is divided into the upper mantle and lower mantle.