Limestone is chalk rock. Chalk rock – transposed – is rock chalk. Hence, the famous “Rock Chalk Jayhawk” you will hear at a KU game. Rock Chalk Jayhawk? This famous fight song emanates from the limestone chalk rock found in Lawrence, Kansas. And the fight song? The fight song was originally coined by the KU students who would have been most interested in limestone. And in chalk rock. Those students…the university’s science club. Rock Chalk. A famous college fight song. Coined by a university’s science club....