Conversation so far:
What scientific research did Marie Stopes do at the University of Manchester?
During Marie Stopes's time at Manchester, she studied coal and coal balls and researched the collection of Glossopteris.
Was Marie Stopes' research on coal ever published?
Marie Stopes went to Japan and explored coal mines for fossilised plants. She published her Japanese experiences as a diary.
Did Marie Stopes prove the theory of Eduard Suess?
Fossils of plants from the Queen Maud Mountains provided evidence of Gondwana or Pangaea put forth by Eduard Suess, supported by Marie Stopes' research on coal.
Did Marie Stopes do any other research on coal besides Permian seed ferns?
During the First World War, Marie Stopes studied coal for the British government, which culminated in the writing of Monograph on the constitution of coal with R.V. Wheeler in 1918.
What research did Marie Stopes do in Japan?
Marie Stopes went to Japan on a scientific mission. She spent eighteen months at the Imperial University, Tokyo and explored coal mines on Hokkaido for fossilised plants.
Were there any findings or published papers from Marie Stopes research in Japan?
Marie Stopes published her Japanese experiences as a diary, called Journal from Japan: a daily record of life as seen by a scientist, in 1910.
Did Marie Stopes do any more research anywhere else other than England and Japan?
In 1910, the Geological Survey of Canada commissioned Marie Stopes to determine the age of the Fern Ledges, a geological structure at Saint John, New Brunswick.

Question: How did Stopes do with the research of Fern Ledges?
Self-contained rewrite: How did Marie Stopes do with the research of Fern Ledges?