basement  search
UFbasement rocks
 basement structure
RTtectonics
 igneous rocks
 metamorphic rocks
 crust
 Mohorovicic discontinuity
 basement tectonics
 sedimentary cover
 shields
 supracrustals
basement rocks  search
USEbasement
basement structure  search
USEbasement
basement tectonics  search
BTtectonics
 .basement tectonics
RTmetamorphic rocks
 basement
 supracrustals
 thick-skinned tectonics
SNBefore 1993, also search basement AND tectonics. Added to Thesaurus in 1993.