![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
According to the passage, both Neptunism and Plutonism were named after
A.
important principles of Catastrophism or Uniformitarianism.
B.
well-known theories established by early Roman thinkers.
C.
the phenomenon they identified as essential to rock formation.
D.
the materials they claimed that rocks were composed of.