Assertion: uranium | /r/AtLocation | earth's crust
Facets:
value: naturally
type: MANNER
value: under the oceans
type: LOCATION
Source sentences:
text: Uranium is found in Earth's crust at an average concentration of about 2 ppm, and is more abundant than silver or mercury.
text: Uranium is a naturally occurring metallic chemical found on the earth's crust.
text: However, an article in the American Journal of Physics estimated that if the current rate of uranium mining continues at a steady pace, enough uranium exists in all the world's oceans and the Earth's crust under the oceans to last 5 billion years.
text: Uranium is an element which exists naturally in the Earth’s crust; specifically in sedimentary rocks, such as sandstone.
text: Uranium is a trace element that occurs naturally in the earth's crust.
text: Uranium can be found in the Earth crust at 3 parts per million, particularly in granite and volcanic rocks.