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Vladimir Afanasyevich Obruchev ((ロシア語:Влади́мир Афана́сьевич О́бручев); , Klepenino near Rzhev, Tver Oblast, Russian Empire – June 19, 1956, Moscow, USSR) was a Russian and Soviet geologist who specialized in the study of Siberia and Central Asia. He was also one of the first Russian science fiction authors. ==Scientific research== Vladimir Obruchev graduated from the Petersburg Mining Institute in 1886. His early work involved the study of gold-mining, which led him to come up with a theory explaining the origin of gold deposits in Siberia. He also gave advice on construction of the Central Asian and Trans-Siberian Railways and consulted Sven Hedin on his projected journey to Siberia. While working for the railway, Obruchev explored the Karakum Desert, the shores of the Amu Darya River, and the old riverbeds of the Uzbois.〔''Plutonia'' A Word about the author. p. 404. Translated by Fainna Solasko. Raduga Publishers. Moscow. 1988. 2d printing.〕 He also worked as a geologist on Lake Baikal, on the Lena River, and in gold fields near the Vitim.〔 Between 1892 and 1894, Obruchev "was a member of the Grigory Potanin's expedition into ... Mongolia, () to the mountains of Nan Shan and Northern China." He also explored the Transbaikal area, Dzhungaria, and Altai.〔 In 1929, Obruchev was elected to the Academy of Sciences of the USSR.〔 Having spent half a century in exploring Siberia and Inner Asia, Obruchev summarized his findings with a three-volume monograph, ''The Geology of Siberia'' (1935–1938), followed by ''The History of Geological Exploration of Siberia''. Many of his works deal with the origins of loess in Central Asia and Siberia, ice formation and permafrost in Siberia, problems of Siberian tectonics, and Siberian goldfields. He also authored many popular scientific works, such as ''Formation of Mountains and Ore Deposits'' (1932), ''Fundamentals of Geology'' (1944), ''Field Geology'' (1927), ''Ore Deposits'' (1928–1929), and others. All together, Obruchev authored
During 1954, he completed an extensive geographical study of Nan Shan Mountains in China based on his own and previous expeditions to the region and spent his last years working up a geological study of the mountains.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vladimir Obruchev」の詳細全文を読む スポンサード リンク
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