petrifaction
noun[U]
geologyspecializeduk/ˌpet.rɪˈfæk.ʃən/us/ˌpet.rəˈfæk.ʃən/(alsopetrification,uk/ˌpet.rɪ.fɪˈkeɪ.ʃən/us/ˌpet.rə.fəˈkeɪ.ʃən/)thenaturalprocessin whichdeadthingschangeto asubstancelikestoneover alongperiodoftime:
石化They haveundergonepetrification.它们已石化。
See
petrify
- Thestoryincludespetrifaction, leylines,timebubblesandblackholes.
- Thedeadbodiesoflagoonfishhadoccasionallyactedas afocusfor theprocessesof petrification.
- It wasliterallyquitecommonforfairlyrecentburialsingraveyardsto have beendiscoveredto haveundergonevariousdegreesof petrification.
- When theyhardenandpetrify, theybecomeakintomineralsbecause of the petrification oftheirbodies.
Palaeontology & fossils
- ammonite
- ammonoid
- biozone
- carbon dating
- fossil
- fossil record
- fossilization
- fossilize
- fossilized
- index fossil
- microfossil
- missing link
- palaeontologist
- palaeontology
- petrify
- radiocarbon dating