Magma is a mixture of molten and semi-molten rock found below Earth's surface. Most magma consists of four types of materials: liquid rock, crystallized minerals, solid pieces of rock, and dissolved gases. When magma escapes through a volcano onto Earth's surface, scientists call it lava.
Download the Accretion of Duties Form (PDF, 8K) An accretion of duties is a promotion resulting from the upgrading of an employee's position because of additional duties and responsibilities. Jobs change and evolve for many reasons.
Definition of Accretion. A natural process of adding soil to land, usually by water action, leaving earth or sand deposits. This can take place through unusual events such as flooding or storm conditions, or cyclical events such as seasonal variations in tidal patterns. Any natural soil additions usually belong to the property owner.