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In page Women in geology:

"
  • 1955: Moira Dunbar became the first female glaciologist to study sea ice from a Canadian icebreaker ship.[15][16][17]
  • 1957: In 1957, Marie Tharp and Heezen published the first physiographic map of the North Atlantic Ocean floor.[citation needed]
  • 1963: Elsa G. Vilmundardóttir completed her studies at Stockholm University and became the first female Icelandic geologist.[18]