chalk  search
BTsedimentary rocks
 .carbonate rocks
 ..chalk
RTcalcite
 limestone
 chalk deposits
SNAs of 1981, no longer a valid term for GeoRef. Use Upper Cretaceous for the age.
chalk deposits  search
RTchalk
 limestone deposits
Chalk River  search
BTCanada
 .Eastern Canada
 ..Ontario
 ...Chalk River
SNTributary of Ottawa River, SE Ontario. For the town, see Chalk River Ontario. Added to Thesaurus in 1985.
Chalk River Ontario  search
BTCanada
 .Eastern Canada
 ..Ontario
 ...Renfrew County Ontario
 ....Chalk River Ontario
SNTown near Ottawa River in Renfrew County.
Chalkidiki  search
BTEurope
 .Southern Europe
 ..Greece
 ...Greek Macedonia
 ....Chalkidiki
UFChalcidice
 Khalkidhiki
RTSalonika Greece
SNPeninsula, S central Greek Macedonia. This term has multiple hierarchies.