Ogden Tweto

Ogden Tweto (1912 - 1983) created the now-classic Geologic Map of Colorado[1] which is held as one of the finest examples of a state geologic map.[2]

Tweto received awards including the Distinguished Service Award of the Department of the Interior (1970) and the Scientist of the Year Award by the Rocky Mountain Association of Geologists (1978).[2] While working in Leadville, Colorado, he discovered features dating to the Proterozoic.[2] He is also known for his work involving the Arapahoe Formation,[3] the Leadville Mining District,[4] and the Colorado Mineral Belt.[5]

In 1986, Mount Tweto near Leadville was named in his honor.[6]

References
  1. Ogden, Tweto. "MI-16 1979 Geologic Map of Colorado". Coloroado Geological Survey Publications. Colorado Geological Survey. Retrieved 28 June 2018.
  2. Warner, L.A. (1987). Memorial of Ogden L. Tweto 1912-1983. (full text PDF) (Report). Vol. 72. American Mineralogist. p. 127. Retrieved 5 December 2014.
  3. Tweto, O. 1979. Geologic map of Colorado. U.S. Geological Survey, Map G77115.
  4. Ogden Tweto (1968) Leadville District, Colorado, in Ore Deposits of the United States 1933-1967, New York: American Institute of Mining Engineers, p.681-705
  5. Tweto, Ogden; Sims, Paul K. (1963). Precambrian Ancestry of the Colorado Mineral Belt. (abstract with link to PDF) (Report). Vol. Bulletin 74. Geological Society of America. pp. 991–1014. Retrieved 2014-03-02.
  6. "Mount Tweto". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 6, 2023.


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