Assertion: lithium | /r/HasProperty | extracted
Facets:
value: from hard rock
type: LOCATION
value: from primarily two sources
type: OTHER
value: from brines
type: OTHER
value: usually
type: DEGREE
value: from lithium minerals
type: OTHER
value: from brine pools
type: LOCATION
value: from mineral springs
type: LOCATION
value: historically
type: TEMPORAL
Source sentences:
text: Lithium and its compounds were historically extracted from hard rock before salts are extracted from water in mineral springs, brine pools, and brine deposits became the dominant source in the 1990s.
text: Lithium is extracted from primarily two sources: pegmatite crystals and lithium salt from brine pools.
text: Lithium is extracted from mineral springs and brine pools.
text: Unlike Australia, where lithium is extracted from hard rock mines, Chile’s lithium is found in lithium brine deposits.
text: Instead, lithium is usually extracted from lithium minerals that can be found in igneous rocks (chiefly spodumene) and from lithium chloride salts that can be found in brine pools.  
text: Today, lithium is extracted from brines that are pumped from beneath arid sedimentary basins and extracted from granitic pegmatite ores.
text: Lithium is extracted from primarily two sources: pegmatite crystals and lithium salt from brine pools.
text: The open question is the consequences that such demand will have on the environment and the communities near the salt mines where the lithium is extracted.