Science. 1961 Nov 17;134(3490):1624-5. doi: 10.1126/science.134.3490.1624.
Discovery of coesite in St. Peter sandstone from the central uplift of the Kentland structure, Newton County, Indiana, and in shatter cones of Lilley dolomite of Middle Silurian age from the central uplift of the Serpent Mound structure near Sinking Springs, Ohio, proves that shatter cones are evidence of meteorite impact.
在印第安纳州牛顿县肯特兰构造中央隆起带的圣彼得砂岩中以及在俄亥俄州沉没泉附近的蛇形丘构造中央隆起带的中志留统莱利白云岩的粉碎锥中发现了柯石英，证明粉碎锥是陨石撞击的证据。
