Qal'eh Hasan Ali
... that Qal'eh Hasan Ali, originally considered a group of impact craters, is instead a group of maars that may have formed within the last 50,000 years?
... that <b id="mwAcc"><a href="./Qal'eh_Hasan_Ali" id="mwAcg" rel="mw:WikiLink" title="Qal'eh Hasan Ali">Qal'eh Hasan Ali</a></b>, originally considered a group of <a href="./Impact_crater" id="mwAck" rel="mw:WikiLink" title="Impact crater">impact craters</a>, is instead a group of <a href="./Maar" id="mwAco" rel="mw:WikiLink" title="Maar">maars</a> that may have formed within the last 50,000 years?