Editing Lithium (section)

=== Sources ===
Another potential source of lithium {{as of|2012|lc=y}} was identified as the leachates of [[Geothermal electricity|geothermal wells]], which are carried to the surface.<ref name="bourcier">Parker, Ann. [https://www.llnl.gov/str/JanFeb05/Bourcier.html Mining Geothermal Resources] {{webarchive|url=https://web.archive.org/web/20120917035952/https://www.llnl.gov/str/JanFeb05/Bourcier.html|date=17 September 2012}}. Lawrence Livermore National Laboratory</ref> Recovery of this type of lithium has been demonstrated in the field; the lithium is separated by simple filtration.<ref name="Simbol">Patel, P. (16 November 2011) [https://www.technologyreview.com/2011/11/16/21117/startup-to-capture-lithium-from-geothermal-plants/ Startup to Capture Lithium from Geothermal Plants] {{Webarchive|url=https://web.archive.org/web/20220721191404/https://www.technologyreview.com/2011/11/16/21117/startup-to-capture-lithium-from-geothermal-plants/ |date=21 July 2022 }}. technologyreview.com</ref>{{clarify|what about the economic viability of the concept? has it been demonstrated beyond the academic literature?|date=March 2021}} Reserves are more limited than those of brine reservoirs and hard rock.{{citation needed|date=March 2021}}