The Chair of the Fifth Committee is elected by the General Assembly on the basis of regional rotation. The Rapporteur comes from the regional group that held the chair of the Committee the previous year.
Large ore bodies of hematite are usually of sedimentary origin, and it is widely distributed in sedimentary rocks as a cement. High grade ore bodies can be found in metamorphic rocks as a result of contact metasomatism. Hematite is also as an accessory mineral in igneous rocks.
apatite. 1. calcium phosphate; one of the two mineral constituents of bones and teeth. 2. fluorapatite; a naturally occurring rock mineral containing fluorine. apatite calculi. see apatite urolith.. calcium phosphate; one of the two mineral constituents of bones and teeth. 2. fluorapatite; a naturally occurring rock mineral containing fluorine. apatite calculi. see apatite urolith.