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Luis (left) and his son Walter Alvarez (right) at the K-Pg Boundary in Gubbio, Italy, 1981. In 1980, a team of researchers led by Nobel prize-winning physicist Luis Alvarez, his son, geologist Walter Alvarez, and chemists Frank Asaro and Helen Vaughn Michel discovered that sedimentary layers found all over the world at the Cretaceous–Paleogene boundary contain a concentration of iridium ...
While UN intervention was conceived as restoring the border at the 38th parallel, Syngman Rhee argued that the attack of the North had obliterated the boundary. Similarly UN Commander in Chief, General Douglas MacArthur stated that he intended to unify Korea, not just drive the North Korean forces back behind the border. [ 65 ]
The climate across the Cretaceous–Paleogene boundary (K–Pg or formerly the K–T boundary) is very important to geologic time as it marks a catastrophic global extinction event.
The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the K–T extinction, [b] was the mass extinction of three-quarters of the plant and animal species on Earth [2] [3] approximately 66 million years ago.
Map of the Mexico–United States border wall in 2017 Border fence near El Paso, Texas Border fence between San Diego's border patrol offices in California, U.S. (left) and Tijuana, Mexico (right) The border wall along the Mexico–United States border is intended to reduce illegal immigration to the United States from Mexico. [1]
Kpg, K-Pg or KPG may refer to: Korean Provisional Government, a Korean government-in-exile during the Japanese colonial rule of Korea; Kapingamarangi language, ISO 639-3 language code kpg; Kurdish Pride Gang, a gang in the United States; Kiwi Property Group, a New Zealand company, stock ticker KPG
The Korean Provisional Government (KPG), formally the Provisional Government of the Republic of Korea (Korean: 대한민국 임시정부), was a Korean government in exile based in China during Japanese rule over Korea. The KPG was founded in Shanghai on 11 April 1919. A provisional constitution providing for a democratic republic named the ...
The Territory of Papua and New Guinea, officially the Administrative Union of the Territory of Papua and the Territory of New Guinea, was established by an administrative union between the Australian-administered territories of Papua and New Guinea (the latter being a United Nations trust territory administered by Australia) in 1949.