Capable of being extracted. "Thirty grains of extractive matter."
2.
Tending or serving to extract or draw out. "Certain branches of industry are conveniently designated extractive: e.g., agriculture, pastoral and mining pursuits, cutting of lumber, etc."
... range of mining and extractive industries producing coal, oil, gas, chemicals, and metals; all forms of machine building from rolling mills to high-performance aircraft and space vehicles; defense industries including radar, missile production, and advanced electronic components, shipbuilding; road and rail transportation equipment; ... — The 2008 CIA World Factbook • United States. Central Intelligence Agency.