"American Geologist" Francis J. Pettijohn Signed FDC Dated 1953 For Sale
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"American Geologist" Francis J. Pettijohn Signed FDC Dated 1953:
$279.99
Up for sale "American Geologist" Francis J. Pettijohn Hand Signed First Day Cover Dated 1953.
ES-4278E
Francis John Pettijohn (June
20, 1904 – April 23, 1999) was an American geologist who served for many years on the faculty
of Johns Hopkins his doctorate from the University of Minnesota in
1923 based on a study an area
around Abram Lake, Ontario. In 1929 he obtained a position at the University of Chicago. He
became a full professor there in 1949. In 1943 he published an important work
on Archaean sedimentation. In 1952 he moved to Johns Hopkins
University where he remained until retirement in 1973. He received the Penrose Medal from the Geological Society of
America in 1975. Other awards include the Twenhofel Medal of the Society of Economic Paleontologists and Mineralogists,
the Wollaston Medal of
the Geological Society of
London and the Sorby Medal of
the International Association of Sedimentologists.[1] Francis J. Pettijohn medal from
Society For Sedimentary Geology in 1992
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