Assertion: meteorite's surface | /r/HasProperty | rich
Facets:
Source sentences:
text: The surface of our planet is rich in terrestrial iron oxides such as magnetite and hematite (many of which will stick to a magnet), dark black rocks such as basalt, and many different types of man-made metallic by-products such as runoff (slag) from old smelters, and castoff iron implements that have corroded over time.