Quaternary
adjective
geologyspecializeduk/kwəˈtɜː.nər.i/us/ˈkwɑː.t̬ɚ.ner.i/from or referring to theperiodoftimefrom about 2.5 millionyearsago to thepresent, in whichmodernhumansappeared:
第四纪的(迄今约250万前至今的地质时间段,这期间现代人出现)Layers ofbasalt,formedduring the Quaternaryperiod,extendfromnorthtosouthandeasttowest.
Quaternaryglaciation第四纪冰川化
- Theearlierof the twogeologicalepochsof the Quaternaryperiodistermedthe IceAgein thenorthernhemisphere.
- Thegroupwillinvestigatecoastalprocessesandassessthese in thecontextof late Quaternary and Holoceneconditions.
- Although Citlaltépetl is a Quaternaryvolcanowithhistoricactivity, it is atpresentin adormantstage.
Geology - general words
- Anthropocene
- aquifer
- auriferous
- biozone
- Cambrian
- carboniferous
- cementation
- Cretaceous
- Holocene
- hoodoo
- interbed
- Jurassic
- karst
- plate tectonics
- post-depositional
- pyroclastic
- sedimentation
- selenologist
- tectonic
- the rock cycle
You can also find related words, phrases, and synonyms in the topics:
Prehistory
Specific periods of time
Quaternary
noun[S]
geologyspecializeduk/kwəˈtɜː.nər.i/us/ˈkwɑː.t̬ɚ.ner.i/the Quaternary
theperiodoftimefrom about 2.5 millionyearsago to thepresent, in whichmodernhumansappeared:
The last 2 millionyearsof the Earth'shistoryisknownas the Quaternary.
Heachievedaninternationalreputationas astudentof the Quaternary and hisbookTheGreatIceAgebecameaclassic.
- Threelakeswithin thestudyareafluctuatedinsizeanddepthduring the late Quaternary.
- During the Quaternary, they wereinvadedfromtimetotimebythickwedgesofdebrisflows.
- In many geomorphologicalhistoriesthe Quaternary was oftentreatedin lessdetailand the Holoceneseldomreferred to at all.
Geology - general words
- Anthropocene
- aquifer
- auriferous
- biozone
- Cambrian
- carboniferous
- cementation
- Cretaceous
- Holocene
- hoodoo
- interbed
- Jurassic
- karst
- plate tectonics
- post-depositional
- pyroclastic
- sedimentation
- selenologist
- tectonic
- the rock cycle
You can also find related words, phrases, and synonyms in the topics:
Prehistory
Specific periods of time