Subject	molten rock
Predicate	come at
Object	mid-ocean ridges
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0052
Neighborhood Sigma	0.0058
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source molten rock from the mantle come to the surface at the mid-ocean ridges 1 Answers.com Questions