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Rio Tinto Borax Mine
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<p>The Rio Tinto Boron Mine (formerly the U.S. Borax Boron Mine) <a href="https://geohack.toolforge.org/geohack.php?pagename=Rio_Tinto_Borax_Mine¶ms=35_2_34.447_N_117_40_45.412_W_type:landmark_globe:earth_region:US-CA&title=Rio+Tinto+Borax+Mine">35°2′34.447″N 117°40′45.412″W / 35.04290194°N 117.67928111°W / 35.04290194; -117.67928111 (Rio Tinto Borax Mine)</a> in <a href="/facts/Boron,_California/Uv1HhkLU">Boron, California</a> is California's largest <a href="/facts/Open-pit_mine/IvTLjU41">open-pit mine</a> and the largest <a href="/facts/Borax/IQrXRJ3N">borax</a> mine in the world, producing nearly half the world's <a href="/facts/Borates/5XwkBTv1">borates</a>. Ore reserves are sufficient for current economic production through early 2040's. It is operated by the Borax division of the <a href="/facts/Rio_Tinto_Group/CCYJBbUL">Rio Tinto Group</a>. </p>