hadean

听听怎么读

[ˈheidiən]

是什么意思

adj.

地狱的，阴间的；

英英释义

hadean[ 'heidiən ]

n.the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
同义词：Hadean timeHadean eonHadean aeonPriscoanPriscoan eonPriscoan aeon
adj.of or relating to or characteristic of Hades or Tartarus
同义词：PlutonianTartarean

学习怎么用

权威例句

Neodymium-142 evidence for Hadean mafic crust
The oxidation state of Hadean magmas and implications for early Earth's atmosphere.
Microbial habitability of the Hadean Earth during the late heavy bombardment
Coupled 142Nd-143Nd isotopic evidence for Hadean mantle dynamics.
Hadean crustal evolution revisited: New constraints from Pb–Hf isotope systematics of the Jack Hills zircons
Comment on "Heterogeneous Hadean hafnium: evidence of continental crust at 4.4 to 4.5 Ga".
Response to Comment on “Neodymium-142 Evidence for Hadean Mafic Crust”
Trace-element composition of hydrothermal zircon and the alteration of Hadean zircon from the Jack Hills, Australia
The equation of state of a molten komatiite: 2. Application to komatiite petrogenesis and the Hadean Mantle
Early (≥ 4.5Ga) formation of terrestrial crust: Lu–Hf, δ 18 O, and Ti thermometry results for Hadean zircons