Respuesta :

Explanation:

Sectarianism is a political or cultural conflict between two groups often related to the form of government they live under. ... Common examples of these divisions are denominations of a religion, ethnic identity, class, or region for citizens of a state and factions of a political movement.

Magnetite and hematite occur together in layered sedimentary rocks called banded iron formations.

What is banded iron formations?

Banded iron formations are distinctive units of sedimentary rock consisting of alternating layers of iron oxides and iron.

They are rock units having hematite layers intermittent with silica rich layers and formed by sedimentary processes hence record oxygenation of the Earth's oceans.

Hence, Magnetite and hematite occur together in layered sedimentary rocks called banded iron formations.

Learn more about Banded iron formations here : https://brainly.com/question/8944551