zhì
nián
dài

technical

Meaning of 地质年代

地质年代 means geological age; the time and sequence of rock formation in the Earth's crust; relative geological age; dating based on stratigraphic position and fossils. Pronounced dì zhì nián dài.

  • geological age; the time and sequence of rock formation in the Earth's crust
  • relative geological age; dating based on stratigraphic position and fossils
  • isotopic age; absolute geological age; numerical dating based on radioactive isotope decay

Definitions & Examples

zhì
nián
dài
bāng
zhù
men
liǎo
jiě
qiú
de
yǎn
huà
shǐ
 

Geological ages help us understand the evolutionary history of the Earth.

xué
jiā
tōng
guò
yán
jiū
zhì
nián
dài
lái
què
dìng
huà
shí
de
nián
líng
 

Scientists determine the age of fossils by studying geological time.

tóng
de
zhì
nián
dài
duì
yìng
zhe
tóng
de
shēng
qún
luò
 

Different geological ages correspond to different biological communities.

Relations

Synonyms