a rock formation in which a particular mineral material originates; spec. a deposit in which petroleum is formed.
| 单词 | θ6245 | 
| 释义 | the world > the earth > minerals > mineral sources > 			[noun]		 > source rock (12)		 source rock1931 a rock formation in which a particular mineral material originates; spec. a deposit in which petroleum is formed. Subcategories:— 			containing oil or gas			(6)		 — 			containing diamonds			(1)		 — 			impregnated with ore			(2)		 — 			non-source			(2)		  | 
	
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