Continental drift Continental drift Continental drift is the theory that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. The concept was independently and more fully developed by Alfred Wegener in 1912, but his theory was rejected by many for lack of any motive mechanism. Arthur Holmes later proposed mantle convection for that mechanism. The idea of continental drift has since been subsumed by the theory of plate tectonics, which explains that the continents
The Continental Op The Continental Op The Continental Op is a fictional character created by Dashiell Hammett. He is a private investigator employed as an operative of the Continental Detective Agency's San Francisco office. The stories are all told in the first person and his name is never mentioned. The Continental Op is a master of deceit in the exercise of his occupation. In his 1927 "Black Mask" story "$106,000 Blood Money" the Op is confronted with two dilemmas: shall he expose a corrupt fellow detective, thereby hurting the reputation of his agency; and shall he also allow an informant to collect the