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Juris Zarins
Juris Zarins (Zariņš) (born 1945, in Germany) is an American-Latvian archaeologist and professor at Missouri State University, who specializes in the Middle East. Biography Zarins is ethnically Latvian, but was born in Germany at the end of the Second World War. His parents emigrated to the United States soon after he was born. He graduated from high school in Lincoln, Nebraska in 1963 and earned a B.A. in anthropology from the University of Nebraska in 1967. He served in the U.S. Army in Vietnam before completing his Ph.D. in Ancient Near Eastern Languages and Archaeology at the University of Chicago in 1974. He then served as archaeological adviser to the Department of Antiquities of the Kingdom of Saudi Arabia before coming to Missouri State in 1978. Zarins joined an Expedition in search of the lost city of Ubar which started in 1992. The team was composed of NASA Scientists Ronald Blom and Charles Elachi, Film Maker and Archaeologist Nicholas Clapp and British Explore ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Missouri State University
Missouri State University (MSU or MO State), formerly Southwest Missouri State University, is a public university in Springfield, Missouri. Founded in 1905 as the Fourth District Normal School, it is the state's second largest university by enrollment, with an enrollment of 22,926 in the fall semester of 2021. The school also operates a campus in West Plains, Missouri, offering associate degrees. A bachelor's degree in business is offered at Liaoning Normal University in China. The university also operates a fruit research station in Mountain Grove, Missouri and a Department of Defense and Strategic Studies program in Fairfax, Virginia. History Missouri State University was formed as the Fourth District Normal School, by legislative action on March 17, 1905. Like other normal schools of the day, the school's primary purpose was the preparation of teachers for the public school system. Classes began on June 11, 1906, with the first class totaling 543 students in an off-campus fa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Obsidian
Obsidian () is a naturally occurring volcanic glass formed when lava extrusive rock, extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock. Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. It is commonly found within the margins of rhyolite, rhyolitic lava flows known as obsidian flows. These flows have a high content of silicon dioxide, silica, granting them a high viscosity. The high viscosity inhibits atomic diffusion, diffusion of atoms through the lava, which inhibits the first step (nucleation) in the formation of mineral crystals. Together with rapid cooling, this results in a natural glass forming from the lava. Obsidian is hard, Brittleness, brittle, and amorphous; it therefore Fracture (mineralogy)#Conchoidal fracture, fractures with sharp edges. In the past, it was used to manufacture cutting and piercing tools, and it has been used experimentally as surgic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
