Subject	rock layer
Predicate	be arranged in
Object	geologic column
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8289
Neighborhood Sigma	1.0000
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source rock layers are arranged in the geologic column 5 Google Autocomplete, Answers.com Questions rock layers are arranged in geologic column 4 Google Autocomplete