The first work in this field was the Law of Superposition, which assumed that the oldest material was on the bottom and the youngest material was on top.
The Harris Matrix makes use of the laws of this scientific field. This field was advanced by the laws of Nicholas Steno, who theorized that assuming original horizontality and lateral continuity were important in this field. Terms in this field include "anticline" and "sincline." The first work in this field was the Law of Superposition, which assumed that the oldest material was on the bottom and the youngest material was on top. The iridium-rich K-T boundary was discovered using this discipline. For 10 points, name this branch of geology, the study of layers of rock.
The Harris Matrix makes use of the laws of this scientific field.
{stratigraphy} [prompt on {geology}]