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.
A lot earlier: like 3.5 billion years ago. This new data comes in the form of geological core samples containing hematite, a mineral that forms either through aerobic processes of bacteria (that is, biology using oxygen) or through photolysis (chemical changes from light) due to sunlight.