geolˈogist, also (now rare) geologian /jē-ə-lōˈji-ən/ or geolˈoger noun

geolˈogize or geolˈogise intransitive verb

To work at geology in the field

To investigate the geology of

geological column noun

A diagram showing the subdivisions of part or all of geological time or the stratigraphical sequence in a particular area

geological survey noun

A survey of the geology of an area, esp to locate coal, oil, etc

geological time noun

Time before written history, divided into epochs in each of which one of the great rock systems was formed

dynamical or dynamic geology

The study of the work of natural agents in shaping the earth's crust (wind, frost, rivers, volcanic action, etc)

structural geology

The study of the arrangement and structure of rock masses