Assertion: halite's composition | /r/HasProperty | close to modern value
Facets:
value: always
type: TEMPORAL
Source sentences:
text: Both approaches showed that the Cl and Br isotope compositions of the ocean have always been close to the modern value (which is by definition 0‰ for both isotope systems) and that at most very small variations in Br and Cl isotope composition of seawater have occurred during the last 2 billion years.