a: magma ~
b: DNA of geology
What:
"Scientists prize the rocks returned by the US and USSR missions as relics of the raw materials (the 'primary magma') that built the Moon and Earth. Primary magma is like the DNA of geology, providing the code that enables scientists to decipher the evolution of planets."
Useful?
Writer: Mark Horstman
LCC:
Where:
Date: Sep 8 2014 6:58 PM
# 6251 Critique Analogy