US Marine Corps Forces Central Command (MARCENT) US Marine Forces Central Command (MARFORCENT) US Marine Corps Forces Central Command (MARCENT) is designated as the Marine Corps service component for US Central Command (CENTCOM). MARCENT is responsible for all Marine Corps forces in the CENTCOM area of responsibility.
Aluminium carbide, chemical formula Al 4 C 3, is a carbide of aluminium.
Alkali feldspar has the general formula (K,Na)AlSi3O8, but varies in crystal structure depending on the temperature it formed at. The formula actually is a blend ranging from â¦ all sodium (albite) to all potassium (microcline), but albite is also one endpoint in the plagioclase series so we classify albite there.aking the world better, one answer at a time. . Feldspar is formed throught a process in witch immense heat and pressure over a mperiod of time turns to a mineral. This process usually happens in the mantle.