Services for Ada Swineford, 75, formerly of Lawrence, were held Wednesday at the Meadowlark Hills Health Care center in Manhattan with the Rev. Paul Davis officiating. Cremation is planned and inurnment will be in Princeton, N.J.
She died July 31, 1992, at the health care center. She was born July 12, 1917, in Chicago, the daughter of Charles Roscoe and Kate Watson Swineford.
She received a bachelor's degree in 1940 and a master's degree in 1942 in geology from the University of Chicago.
In 1942, she became a geologist with the Kansas Geological Survey and became head of the petrology division in 1949 and held that position until 1966.
She received a doctorate from Pennsylvania State University in 1954. She became an assistant professor of geology at Kansas University in 1958 and an associate professor in 1964.
She taught at Western Washington State University in Bellingham from 1966 until she retired in 1977.
She became an adjunct professor at Kansas State University in 1978.
While living in Washington, she was an active member of the St. James Presbyterian Church.
Her career in clay mineralogy is reflected in more than 50 publications, including "Land of the Post Rock: Its Origins, History and People."
Several years ago, when a new clay material was discovered in North Carolina it was named "Swinefordite" in her honor.
Survivors include a sister, Frances Swineford, Princeton, N.J.
Memorial contributions can be made to the Ada Swineford Scholarship in Geology-KSU Foundation or the Meadowlark Hills Health Care Center, which may be sent in care of Irvin-Parkview Funeral Home, Manhattan.