At the start of the Triassic, most of the continents were above sea level, and sediments from that time are often red because ______.
A) they include iron oxides
B) the dry climate baked clays to form hornfels
C) they are a major source of uranium and red quartz
D) there are extensive dune fields
E) they contain extensive deposits of iron ore

Question

Quizplus · Accepted Answer

The red color in sediments from the start of the Triassic is often due to the presence of iron oxides.

At the Start of the Triassic, Most of the Continents