| 释义 |
unfossiliferous
adjective
GEOLOGY specializeduk /ˌʌn.fɒs.ɪˈlɪf.ər.əs/ us /ˌʌn.fɑː.səˈlɪf.ər.əs/
Unfossiliferous rock, clay, etc. does not contain fossils(= shapes of bones, shells, plants, or animals that have been preserved in rock for a very long time):
These rocks were believed to be completely unfossiliferous.
This segment includes unfossiliferous sandstones.
Rocks of similar age in other parts of the country have proved to be unfossiliferous.
This area is composed of unfossiliferous grey limestones.
The second rock type here is the unfossiliferous greenish siltstone.
The formation is unfossiliferous and its age is uncertain.
SMART Vocabulary: related words and phrases
Palaeontology & fossils
ammonite
ammonoid
biozone
carbon dating
fossil
fossil record
fossilization
fossilize
fossilized
index fossil
microfossil
missing link
palaeontologist
palaeontology
petrifaction
petrify
radiocarbon dating
Related word
fossil
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