profile - a vertical section of the Earth's crust showing the different horizons or layers

plane section, section - (geometry) the area created by a plane cutting through a solid

sample - a small part of something intended as representative of the whole

statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters

probability, chance - a measure of how likely it is that some event will occur; "what is the probability of rain?"; "we have a good chance of winning"

atomic physics, nuclear physics, nucleonics - the branch of physics that studies the internal structure of atomic nuclei