Assertion: geologist | /r/CapableOf | identify with more certainty
Facets:
value: by taking a core sample
type: MANNER
Source sentences:
text: By taking a core sample, geologists can identify with more certainty which of the seismic reflectors represents a surface or a change in rock type, and by taking a seismic survey, geologists can extend their interpretation of the core to get a much bigger picture without having to do more drilling.