Assertion: phosphate | /r/HasProperty | mined
Facets:
value: from bat guano
type: LOCATION
value: historically
type: TEMPORAL
value: from phosphate rock
type: LOCATION
Source sentences:
text: Phosphate used to be mined from bat guano (poop) but now phosphate is mined from phosphate rock.
text: Inorganic phosphates are mined to obtain phosphorus for use in agriculture and industry.
text: Phosphate used to be mined from bat guano (poop) but now phosphate is mined from phosphate rock.
text: Historically, phosphate was mined from bat guano, but bats can only poop so much.
text: Phosphate is mined where ancient sea life has been buried.