parent rock
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These space rocks came from the same parent rock and provided evidence for the first asteroid from the collision.
From New York Times • Jun. 16, 2016
Dr. Schmitz and his team concluded that the new space rock, which they named Öst 65, came from the asteroid that smashed into the same L-chondrite parent rock that littered the ancient seafloor with debris.
From New York Times • Jun. 16, 2016
The critical feature of the parent rock is its mineral composition because it is the stability of minerals that counts when metamorphism takes place.
From Textbooks • Jan. 1, 2015
This is illustrated in Figure 7.6, where the parent rock is shale, with bedding as shown.
From Textbooks • Jan. 1, 2015
From these vast quantities we know that the parent rock denuded during geological time amounted to some 300 million cubic kilometres or about seventy million cubic miles.
From The Birth-Time of the World and Other Scientific Essays by Joly, John
