Silica. Silica is an unincorporated community in Saint Louis County, Minnesota, United States. The community is located immediately south of the city of Hibbing at the intersection of State Highway 73 and Saint Louis County Road 440.The West Swan River flows through the community.ubsequently, silicon was first identified by the chemist Antoine Lavoisier in 1787 as a component element of the silex, or silicis for flint, and more generally what were termed flints during the era, nowadays as we would say silica or more formally, silicate.
Guam (/ËÉ¡wÉËm/ or /ËÉ¡wÉm/; Chamorro: GuÃ¥hÃ¥n [ËÉ¡Ê·ÉhÉn]; formally the Territory of Guam) is an unincorporated and organized territory of the United States. Located in the western Pacific Ocean, Guam is one of five American territories with an established civilian government. The capital city is HagÃ¥tÃ±a and the most populous city is Dededo. In 2015, 161,785 people resided on Guam. Guamanians are American citizens by birth. Guam has an area of 210 sq mi (544 kmÂ²) and a population density of 770/sq mi (297/kmÂ²). It is the largest and southernmost of the Mariana Islands and the largest island in Micronesia.
As Guam is currently the westernmost point in the Pacific Ocean to fall within U.S. territory (so far west it's in the Eastern Hemisphere), the military installations on the island are some of the more strategically important U.S. bases in the Western Pacific.