In examining the rocks on Mars, scientists have found all of the following EXCEPT one. Which rock type has NOT been found on Mars?
A)igneous rocks that appear to have been produced by volcanic action
B)rocks resembling impact breccias like those in the lunar highlands
C)layered rocks resembling the sedimentary rocks of Earth
D)rocks containing chondrules (small glassy spheres) like those found in meteorites

Question

Quizplus · Accepted Answer

Rocks containing chondrules, which are small glassy spheres found in meteorites, have not been reported among the rock types found on Mars. The other options (igneous rocks from volcanic action, rocks resembling impact breccias, and layered rocks similar to Earth's sedimentary rocks) have been observed.

In Examining the Rocks on Mars, Scientists Have Found All