If a description of sediment states that it contains large, angular fragments that are mostly red in color, what type of data would this represent?

The type of data that would represent is the qualitative data, If a description of sediment states that it contains large, angular fragments that are mostly red in color. It is a description of the qualities of whatever it is you're studying, it is usually descriptive data such as the collection of people's opinions or perspectives on an issue, and is therefore generally more subjective.